HDFS-12919. RBF: Support erasure coding methods in RouterRpcServer. Contributed by Inigo Goiri.
This commit is contained in:
Inigo Goiri
Jason Lowe
parent
cb07172e21
commit
49e285ded5
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@ -17,6 +17,8 @@
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*/
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package org.apache.hadoop.hdfs.protocol;
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import org.apache.commons.lang.builder.EqualsBuilder;
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import org.apache.commons.lang.builder.HashCodeBuilder;
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import org.apache.hadoop.HadoopIllegalArgumentException;
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/**
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@ -65,4 +67,26 @@ public class AddErasureCodingPolicyResponse {
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+ "error message is " + getErrorMsg();
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}
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}
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@Override
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public boolean equals(Object o) {
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if (o instanceof AddErasureCodingPolicyResponse) {
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AddErasureCodingPolicyResponse other = (AddErasureCodingPolicyResponse) o;
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return new EqualsBuilder()
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.append(policy, other.policy)
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.append(succeed, other.succeed)
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.append(errorMsg, other.errorMsg)
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.isEquals();
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}
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return false;
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}
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@Override
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public int hashCode() {
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return new HashCodeBuilder(303855623, 582626729)
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.append(policy)
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.append(succeed)
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.append(errorMsg)
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.toHashCode();
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}
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}
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@ -0,0 +1,198 @@
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/**
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.hadoop.hdfs.server.federation.router;
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import static org.apache.hadoop.hdfs.server.federation.router.RouterRpcServer.merge;
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import java.io.IOException;
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import java.util.Collection;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import org.apache.hadoop.hdfs.protocol.AddErasureCodingPolicyResponse;
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import org.apache.hadoop.hdfs.protocol.ECBlockGroupStats;
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import org.apache.hadoop.hdfs.protocol.ErasureCodingPolicy;
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import org.apache.hadoop.hdfs.protocol.ErasureCodingPolicyInfo;
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import org.apache.hadoop.hdfs.server.federation.resolver.ActiveNamenodeResolver;
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import org.apache.hadoop.hdfs.server.federation.resolver.FederationNamespaceInfo;
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import org.apache.hadoop.hdfs.server.federation.resolver.RemoteLocation;
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import org.apache.hadoop.hdfs.server.namenode.NameNode.OperationCategory;
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/**
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* Module that implements all the RPC calls in
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* {@link org.apache.hadoop.hdfs.protocol.ClientProtocol} related to
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* Erasure Coding in the {@link RouterRpcServer}.
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*/
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public class ErasureCoding {
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/** RPC server to receive client calls. */
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private final RouterRpcServer rpcServer;
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/** RPC clients to connect to the Namenodes. */
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private final RouterRpcClient rpcClient;
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/** Interface to identify the active NN for a nameservice or blockpool ID. */
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private final ActiveNamenodeResolver namenodeResolver;
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public ErasureCoding(RouterRpcServer server) {
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this.rpcServer = server;
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this.rpcClient = this.rpcServer.getRPCClient();
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this.namenodeResolver = this.rpcClient.getNamenodeResolver();
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}
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public ErasureCodingPolicyInfo[] getErasureCodingPolicies()
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throws IOException {
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rpcServer.checkOperation(OperationCategory.READ);
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RemoteMethod method = new RemoteMethod("getErasureCodingPolicies");
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Set<FederationNamespaceInfo> nss = namenodeResolver.getNamespaces();
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Map<FederationNamespaceInfo, ErasureCodingPolicyInfo[]> ret =
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rpcClient.invokeConcurrent(
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nss, method, true, false, ErasureCodingPolicyInfo[].class);
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return merge(ret, ErasureCodingPolicyInfo.class);
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}
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public Map<String, String> getErasureCodingCodecs() throws IOException {
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rpcServer.checkOperation(OperationCategory.READ);
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RemoteMethod method = new RemoteMethod("getErasureCodingCodecs");
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Set<FederationNamespaceInfo> nss = namenodeResolver.getNamespaces();
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@SuppressWarnings("rawtypes")
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Map<FederationNamespaceInfo, Map> retCodecs =
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rpcClient.invokeConcurrent(
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nss, method, true, false, Map.class);
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Map<String, String> ret = new HashMap<>();
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Object obj = retCodecs;
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@SuppressWarnings("unchecked")
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Map<FederationNamespaceInfo, Map<String, String>> results =
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(Map<FederationNamespaceInfo, Map<String, String>>)obj;
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Collection<Map<String, String>> allCodecs = results.values();
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for (Map<String, String> codecs : allCodecs) {
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ret.putAll(codecs);
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}
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return ret;
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}
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public AddErasureCodingPolicyResponse[] addErasureCodingPolicies(
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ErasureCodingPolicy[] policies) throws IOException {
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rpcServer.checkOperation(OperationCategory.WRITE);
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RemoteMethod method = new RemoteMethod("addErasureCodingPolicies",
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new Class<?>[] {ErasureCodingPolicy[].class}, new Object[] {policies});
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Set<FederationNamespaceInfo> nss = namenodeResolver.getNamespaces();
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Map<FederationNamespaceInfo, AddErasureCodingPolicyResponse[]> ret =
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rpcClient.invokeConcurrent(
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nss, method, true, false, AddErasureCodingPolicyResponse[].class);
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return merge(ret, AddErasureCodingPolicyResponse.class);
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}
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public void removeErasureCodingPolicy(String ecPolicyName)
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throws IOException {
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rpcServer.checkOperation(OperationCategory.WRITE);
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RemoteMethod method = new RemoteMethod("removeErasureCodingPolicy",
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new Class<?>[] {String.class}, ecPolicyName);
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Set<FederationNamespaceInfo> nss = namenodeResolver.getNamespaces();
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rpcClient.invokeConcurrent(nss, method, true, false);
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}
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public void disableErasureCodingPolicy(String ecPolicyName)
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throws IOException {
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rpcServer.checkOperation(OperationCategory.WRITE);
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RemoteMethod method = new RemoteMethod("disableErasureCodingPolicy",
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new Class<?>[] {String.class}, ecPolicyName);
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Set<FederationNamespaceInfo> nss = namenodeResolver.getNamespaces();
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rpcClient.invokeConcurrent(nss, method, true, false);
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}
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public void enableErasureCodingPolicy(String ecPolicyName)
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throws IOException {
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rpcServer.checkOperation(OperationCategory.WRITE);
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RemoteMethod method = new RemoteMethod("enableErasureCodingPolicy",
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new Class<?>[] {String.class}, ecPolicyName);
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Set<FederationNamespaceInfo> nss = namenodeResolver.getNamespaces();
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rpcClient.invokeConcurrent(nss, method, true, false);
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}
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public ErasureCodingPolicy getErasureCodingPolicy(String src)
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throws IOException {
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rpcServer.checkOperation(OperationCategory.READ);
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final List<RemoteLocation> locations =
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rpcServer.getLocationsForPath(src, true);
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RemoteMethod remoteMethod = new RemoteMethod("getErasureCodingPolicy",
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new Class<?>[] {String.class}, new RemoteParam());
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ErasureCodingPolicy ret = rpcClient.invokeSequential(
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locations, remoteMethod, null, null);
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return ret;
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}
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public void setErasureCodingPolicy(String src, String ecPolicyName)
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throws IOException {
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rpcServer.checkOperation(OperationCategory.WRITE);
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final List<RemoteLocation> locations =
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rpcServer.getLocationsForPath(src, true);
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RemoteMethod remoteMethod = new RemoteMethod("setErasureCodingPolicy",
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new Class<?>[] {String.class, String.class},
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new RemoteParam(), ecPolicyName);
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rpcClient.invokeSequential(locations, remoteMethod, null, null);
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}
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public void unsetErasureCodingPolicy(String src) throws IOException {
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rpcServer.checkOperation(OperationCategory.WRITE);
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final List<RemoteLocation> locations =
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rpcServer.getLocationsForPath(src, true);
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RemoteMethod remoteMethod = new RemoteMethod("unsetErasureCodingPolicy",
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new Class<?>[] {String.class}, new RemoteParam());
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rpcClient.invokeSequential(locations, remoteMethod, null, null);
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}
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public ECBlockGroupStats getECBlockGroupStats() throws IOException {
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rpcServer.checkOperation(OperationCategory.READ);
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RemoteMethod method = new RemoteMethod("getECBlockGroupStats");
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Set<FederationNamespaceInfo> nss = namenodeResolver.getNamespaces();
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Map<FederationNamespaceInfo, ECBlockGroupStats> allStats =
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rpcClient.invokeConcurrent(
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nss, method, true, false, ECBlockGroupStats.class);
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// Merge the stats from all the namespaces
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long lowRedundancyBlockGroups = 0;
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long corruptBlockGroups = 0;
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long missingBlockGroups = 0;
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long bytesInFutureBlockGroups = 0;
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long pendingDeletionBlocks = 0;
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for (ECBlockGroupStats stats : allStats.values()) {
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lowRedundancyBlockGroups += stats.getLowRedundancyBlockGroups();
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corruptBlockGroups += stats.getCorruptBlockGroups();
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missingBlockGroups += stats.getMissingBlockGroups();
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bytesInFutureBlockGroups += stats.getBytesInFutureBlockGroups();
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pendingDeletionBlocks += stats.getPendingDeletionBlocks();
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}
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return new ECBlockGroupStats(lowRedundancyBlockGroups, corruptBlockGroups,
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missingBlockGroups, bytesInFutureBlockGroups, pendingDeletionBlocks);
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}
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}
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@ -147,6 +147,14 @@ public class RouterRpcClient {
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failoverSleepBaseMillis, failoverSleepMaxMillis);
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}
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/**
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* Get the active namenode resolver used by this client.
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* @return Active namenode resolver.
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*/
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public ActiveNamenodeResolver getNamenodeResolver() {
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return this.namenodeResolver;
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}
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/**
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* Shutdown the client.
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*/
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@ -617,9 +625,9 @@ public class RouterRpcClient {
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* @throws IOException if the success condition is not met, return the first
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* remote exception generated.
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*/
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public Object invokeSequential(
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public <T> T invokeSequential(
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final List<? extends RemoteLocationContext> locations,
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final RemoteMethod remoteMethod, Class<?> expectedResultClass,
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final RemoteMethod remoteMethod, Class<T> expectedResultClass,
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Object expectedResultValue) throws IOException {
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final UserGroupInformation ugi = RouterRpcServer.getRemoteUser();
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@ -639,7 +647,9 @@ public class RouterRpcClient {
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if (isExpectedClass(expectedResultClass, result) &&
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isExpectedValue(expectedResultValue, result)) {
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// Valid result, stop here
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return result;
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@SuppressWarnings("unchecked")
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T ret = (T)result;
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return ret;
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}
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if (firstResult == null) {
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firstResult = result;
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@ -669,7 +679,9 @@ public class RouterRpcClient {
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throw firstThrownException;
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}
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// Return the last result, whether it is the value we are looking for or a
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return firstResult;
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@SuppressWarnings("unchecked")
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T ret = (T)firstResult;
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return ret;
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}
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/**
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@ -709,7 +721,7 @@ public class RouterRpcClient {
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}
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/**
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* Invokes multiple concurrent proxy calls to different clients. Returns an
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* Invoke multiple concurrent proxy calls to different clients. Returns an
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* array of results.
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*
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* Re-throws exceptions generated by the remote RPC call as either
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@ -722,14 +734,12 @@ public class RouterRpcClient {
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* not complete. If false exceptions are ignored and all data results
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* successfully received are returned.
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* @param standby If the requests should go to the standby namenodes too.
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* @return Result of invoking the method per subcluster: nsId -> result.
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* @throws IOException If requiredResponse=true and any of the calls throw an
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* exception.
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* @throws IOException If all the calls throw an exception.
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*/
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public <T extends RemoteLocationContext> Map<T, Object> invokeConcurrent(
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public <T extends RemoteLocationContext, R> void invokeConcurrent(
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final Collection<T> locations, final RemoteMethod method,
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boolean requireResponse, boolean standby) throws IOException {
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return invokeConcurrent(locations, method, requireResponse, standby, -1);
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invokeConcurrent(locations, method, requireResponse, standby, void.class);
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}
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/**
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@ -739,6 +749,36 @@ public class RouterRpcClient {
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* Re-throws exceptions generated by the remote RPC call as either
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* RemoteException or IOException.
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*
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* @param <T> The type of the remote location.
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* @param <R> The type of the remote method return.
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* @param locations List of remote locations to call concurrently.
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* @param method The remote method and parameters to invoke.
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* @param requireResponse If true an exception will be thrown if all calls do
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* not complete. If false exceptions are ignored and all data results
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* successfully received are returned.
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* @param standby If the requests should go to the standby namenodes too.
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* @param clazz Type of the remote return type.
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* @return Result of invoking the method per subcluster: nsId -> result.
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* @throws IOException If requiredResponse=true and any of the calls throw an
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* exception.
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*/
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public <T extends RemoteLocationContext, R> Map<T, R> invokeConcurrent(
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final Collection<T> locations, final RemoteMethod method,
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boolean requireResponse, boolean standby, Class<R> clazz)
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throws IOException {
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return invokeConcurrent(
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locations, method, requireResponse, standby, -1, clazz);
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}
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/**
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* Invokes multiple concurrent proxy calls to different clients. Returns an
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* array of results.
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*
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* Re-throws exceptions generated by the remote RPC call as either
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* RemoteException or IOException.
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*
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* @param <T> The type of the remote location.
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* @param <R> The type of the remote method return.
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* @param locations List of remote locations to call concurrently.
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* @param method The remote method and parameters to invoke.
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* @param requireResponse If true an exception will be thrown if all calls do
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@ -746,14 +786,15 @@ public class RouterRpcClient {
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* successfully received are returned.
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* @param standby If the requests should go to the standby namenodes too.
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* @param timeOutMs Timeout for each individual call.
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* @param clazz Type of the remote return type.
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* @return Result of invoking the method per subcluster: nsId -> result.
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* @throws IOException If requiredResponse=true and any of the calls throw an
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* exception.
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*/
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@SuppressWarnings("unchecked")
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public <T extends RemoteLocationContext> Map<T, Object> invokeConcurrent(
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public <T extends RemoteLocationContext, R> Map<T, R> invokeConcurrent(
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final Collection<T> locations, final RemoteMethod method,
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boolean requireResponse, boolean standby, long timeOutMs)
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boolean requireResponse, boolean standby, long timeOutMs, Class<R> clazz)
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throws IOException {
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final UserGroupInformation ugi = RouterRpcServer.getRemoteUser();
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@ -767,7 +808,7 @@ public class RouterRpcClient {
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getNamenodesForNameservice(ns);
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Object[] paramList = method.getParams(location);
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Object result = invokeMethod(ugi, namenodes, m, paramList);
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return Collections.singletonMap(location, result);
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return Collections.singletonMap(location, clazz.cast(result));
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}
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List<T> orderedLocations = new LinkedList<>();
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@ -817,14 +858,14 @@ public class RouterRpcClient {
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} else {
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futures = executorService.invokeAll(callables);
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}
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Map<T, Object> results = new TreeMap<>();
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Map<T, R> results = new TreeMap<>();
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Map<T, IOException> exceptions = new TreeMap<>();
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for (int i=0; i<futures.size(); i++) {
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T location = orderedLocations.get(i);
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try {
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Future<Object> future = futures.get(i);
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Object result = future.get();
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results.put(location, result);
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results.put(location, clazz.cast(result));
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} catch (CancellationException ce) {
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T loc = orderedLocations.get(i);
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String msg =
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|
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@ -28,12 +28,14 @@ import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_ROUTER_READER_QUEUE_SIZE_
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.lang.reflect.Array;
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import java.net.InetSocketAddress;
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import java.util.Collection;
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import java.util.EnumSet;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.LinkedHashMap;
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import java.util.LinkedHashSet;
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import java.util.LinkedList;
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import java.util.List;
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import java.util.Map;
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@ -179,6 +181,10 @@ public class RouterRpcServer extends AbstractService implements ClientProtocol {
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/** Category of the operation that a thread is executing. */
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private final ThreadLocal<OperationCategory> opCategory = new ThreadLocal<>();
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// Modules implementing groups of RPC calls
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/** Erasure coding calls. */
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private final ErasureCoding erasureCoding;
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/**
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* Construct a router RPC server.
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@ -275,6 +281,9 @@ public class RouterRpcServer extends AbstractService implements ClientProtocol {
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// Create the client
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this.rpcClient = new RouterRpcClient(this.conf, this.router.getRouterId(),
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this.namenodeResolver, this.rpcMonitor);
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// Initialize modules
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this.erasureCoding = new ErasureCoding(this);
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}
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@Override
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@ -360,7 +369,7 @@ public class RouterRpcServer extends AbstractService implements ClientProtocol {
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* client requests.
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* @throws UnsupportedOperationException If the operation is not supported.
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*/
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private void checkOperation(OperationCategory op, boolean supported)
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protected void checkOperation(OperationCategory op, boolean supported)
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throws StandbyException, UnsupportedOperationException {
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checkOperation(op);
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|
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@ -382,7 +391,7 @@ public class RouterRpcServer extends AbstractService implements ClientProtocol {
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* @throws StandbyException If the Router is in safe mode and cannot serve
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* client requests.
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*/
|
||||
private void checkOperation(OperationCategory op) throws StandbyException {
|
||||
protected void checkOperation(OperationCategory op) throws StandbyException {
|
||||
// Log the function we are currently calling.
|
||||
if (rpcMonitor != null) {
|
||||
rpcMonitor.startOp();
|
||||
|
|
@ -942,8 +951,9 @@ public class RouterRpcServer extends AbstractService implements ClientProtocol {
|
|||
RemoteMethod method = new RemoteMethod("getListing",
|
||||
new Class<?>[] {String.class, startAfter.getClass(), boolean.class},
|
||||
new RemoteParam(), startAfter, needLocation);
|
||||
Map<RemoteLocation, Object> listings =
|
||||
rpcClient.invokeConcurrent(locations, method, false, false);
|
||||
Map<RemoteLocation, DirectoryListing> listings =
|
||||
rpcClient.invokeConcurrent(
|
||||
locations, method, false, false, DirectoryListing.class);
|
||||
|
||||
Map<String, HdfsFileStatus> nnListing = new TreeMap<>();
|
||||
int totalRemainingEntries = 0;
|
||||
|
|
@ -952,9 +962,10 @@ public class RouterRpcServer extends AbstractService implements ClientProtocol {
|
|||
if (listings != null) {
|
||||
// Check the subcluster listing with the smallest name
|
||||
String lastName = null;
|
||||
for (Entry<RemoteLocation, Object> entry : listings.entrySet()) {
|
||||
for (Entry<RemoteLocation, DirectoryListing> entry :
|
||||
listings.entrySet()) {
|
||||
RemoteLocation location = entry.getKey();
|
||||
DirectoryListing listing = (DirectoryListing) entry.getValue();
|
||||
DirectoryListing listing = entry.getValue();
|
||||
if (listing == null) {
|
||||
LOG.debug("Cannot get listing from {}", location);
|
||||
} else {
|
||||
|
|
@ -1078,11 +1089,10 @@ public class RouterRpcServer extends AbstractService implements ClientProtocol {
|
|||
|
||||
RemoteMethod method = new RemoteMethod("getStats");
|
||||
Set<FederationNamespaceInfo> nss = namenodeResolver.getNamespaces();
|
||||
Map<FederationNamespaceInfo, Object> results =
|
||||
rpcClient.invokeConcurrent(nss, method, true, false);
|
||||
Map<FederationNamespaceInfo, long[]> results =
|
||||
rpcClient.invokeConcurrent(nss, method, true, false, long[].class);
|
||||
long[] combinedData = new long[STATS_ARRAY_LENGTH];
|
||||
for (Object o : results.values()) {
|
||||
long[] data = (long[]) o;
|
||||
for (long[] data : results.values()) {
|
||||
for (int i = 0; i < combinedData.length && i < data.length; i++) {
|
||||
if (data[i] >= 0) {
|
||||
combinedData[i] += data[i];
|
||||
|
|
@ -1115,11 +1125,13 @@ public class RouterRpcServer extends AbstractService implements ClientProtocol {
|
|||
new Class<?>[] {DatanodeReportType.class}, type);
|
||||
|
||||
Set<FederationNamespaceInfo> nss = namenodeResolver.getNamespaces();
|
||||
Map<FederationNamespaceInfo, Object> results =
|
||||
rpcClient.invokeConcurrent(nss, method, true, false, timeOutMs);
|
||||
for (Entry<FederationNamespaceInfo, Object> entry : results.entrySet()) {
|
||||
Map<FederationNamespaceInfo, DatanodeInfo[]> results =
|
||||
rpcClient.invokeConcurrent(
|
||||
nss, method, true, false, timeOutMs, DatanodeInfo[].class);
|
||||
for (Entry<FederationNamespaceInfo, DatanodeInfo[]> entry :
|
||||
results.entrySet()) {
|
||||
FederationNamespaceInfo ns = entry.getKey();
|
||||
DatanodeInfo[] result = (DatanodeInfo[]) entry.getValue();
|
||||
DatanodeInfo[] result = entry.getValue();
|
||||
for (DatanodeInfo node : result) {
|
||||
String nodeId = node.getXferAddr();
|
||||
if (!datanodesMap.containsKey(nodeId)) {
|
||||
|
|
@ -1149,10 +1161,10 @@ public class RouterRpcServer extends AbstractService implements ClientProtocol {
|
|||
RemoteMethod method = new RemoteMethod("getDatanodeStorageReport",
|
||||
new Class<?>[] {DatanodeReportType.class}, type);
|
||||
Set<FederationNamespaceInfo> nss = namenodeResolver.getNamespaces();
|
||||
Map<FederationNamespaceInfo, Object> results =
|
||||
rpcClient.invokeConcurrent(nss, method, true, false);
|
||||
for (Object r : results.values()) {
|
||||
DatanodeStorageReport[] result = (DatanodeStorageReport[]) r;
|
||||
Map<FederationNamespaceInfo, DatanodeStorageReport[]> results =
|
||||
rpcClient.invokeConcurrent(
|
||||
nss, method, true, false, DatanodeStorageReport[].class);
|
||||
for (DatanodeStorageReport[] result : results.values()) {
|
||||
for (DatanodeStorageReport node : result) {
|
||||
String nodeId = node.getDatanodeInfo().getXferAddr();
|
||||
if (!datanodesMap.containsKey(nodeId)) {
|
||||
|
|
@ -1180,17 +1192,14 @@ public class RouterRpcServer extends AbstractService implements ClientProtocol {
|
|||
new Class<?>[] {SafeModeAction.class, boolean.class},
|
||||
action, isChecked);
|
||||
Set<FederationNamespaceInfo> nss = namenodeResolver.getNamespaces();
|
||||
Map<FederationNamespaceInfo, Object> results =
|
||||
rpcClient.invokeConcurrent(nss, method, true, true);
|
||||
Map<FederationNamespaceInfo, Boolean> results =
|
||||
rpcClient.invokeConcurrent(nss, method, true, true, boolean.class);
|
||||
|
||||
// We only report true if all the name space are in safe mode
|
||||
int numSafemode = 0;
|
||||
for (Object result : results.values()) {
|
||||
if (result instanceof Boolean) {
|
||||
boolean safemode = (boolean) result;
|
||||
if (safemode) {
|
||||
numSafemode++;
|
||||
}
|
||||
for (boolean safemode : results.values()) {
|
||||
if (safemode) {
|
||||
numSafemode++;
|
||||
}
|
||||
}
|
||||
return numSafemode == results.size();
|
||||
|
|
@ -1203,18 +1212,14 @@ public class RouterRpcServer extends AbstractService implements ClientProtocol {
|
|||
RemoteMethod method = new RemoteMethod("restoreFailedStorage",
|
||||
new Class<?>[] {String.class}, arg);
|
||||
final Set<FederationNamespaceInfo> nss = namenodeResolver.getNamespaces();
|
||||
Map<FederationNamespaceInfo, Object> ret =
|
||||
rpcClient.invokeConcurrent(nss, method, true, false);
|
||||
Map<FederationNamespaceInfo, Boolean> ret =
|
||||
rpcClient.invokeConcurrent(nss, method, true, false, boolean.class);
|
||||
|
||||
boolean success = true;
|
||||
Object obj = ret;
|
||||
@SuppressWarnings("unchecked")
|
||||
Map<FederationNamespaceInfo, Boolean> results =
|
||||
(Map<FederationNamespaceInfo, Boolean>)obj;
|
||||
Collection<Boolean> sucesses = results.values();
|
||||
for (boolean s : sucesses) {
|
||||
for (boolean s : ret.values()) {
|
||||
if (!s) {
|
||||
success = false;
|
||||
break;
|
||||
}
|
||||
}
|
||||
return success;
|
||||
|
|
@ -1227,18 +1232,14 @@ public class RouterRpcServer extends AbstractService implements ClientProtocol {
|
|||
RemoteMethod method = new RemoteMethod("saveNamespace",
|
||||
new Class<?>[] {Long.class, Long.class}, timeWindow, txGap);
|
||||
final Set<FederationNamespaceInfo> nss = namenodeResolver.getNamespaces();
|
||||
Map<FederationNamespaceInfo, Object> ret =
|
||||
rpcClient.invokeConcurrent(nss, method, true, false);
|
||||
Map<FederationNamespaceInfo, Boolean> ret =
|
||||
rpcClient.invokeConcurrent(nss, method, true, false, boolean.class);
|
||||
|
||||
boolean success = true;
|
||||
Object obj = ret;
|
||||
@SuppressWarnings("unchecked")
|
||||
Map<FederationNamespaceInfo, Boolean> results =
|
||||
(Map<FederationNamespaceInfo, Boolean>)obj;
|
||||
Collection<Boolean> sucesses = results.values();
|
||||
for (boolean s : sucesses) {
|
||||
for (boolean s : ret.values()) {
|
||||
if (!s) {
|
||||
success = false;
|
||||
break;
|
||||
}
|
||||
}
|
||||
return success;
|
||||
|
|
@ -1250,17 +1251,12 @@ public class RouterRpcServer extends AbstractService implements ClientProtocol {
|
|||
|
||||
RemoteMethod method = new RemoteMethod("rollEdits", new Class<?>[] {});
|
||||
final Set<FederationNamespaceInfo> nss = namenodeResolver.getNamespaces();
|
||||
Map<FederationNamespaceInfo, Object> ret =
|
||||
rpcClient.invokeConcurrent(nss, method, true, false);
|
||||
Map<FederationNamespaceInfo, Long> ret =
|
||||
rpcClient.invokeConcurrent(nss, method, true, false, long.class);
|
||||
|
||||
// Return the maximum txid
|
||||
long txid = 0;
|
||||
Object obj = ret;
|
||||
@SuppressWarnings("unchecked")
|
||||
Map<FederationNamespaceInfo, Long> results =
|
||||
(Map<FederationNamespaceInfo, Long>)obj;
|
||||
Collection<Long> txids = results.values();
|
||||
for (long t : txids) {
|
||||
for (long t : ret.values()) {
|
||||
if (t > txid) {
|
||||
txid = t;
|
||||
}
|
||||
|
|
@ -1295,17 +1291,13 @@ public class RouterRpcServer extends AbstractService implements ClientProtocol {
|
|||
RemoteMethod method = new RemoteMethod("rollingUpgrade",
|
||||
new Class<?>[] {RollingUpgradeAction.class}, action);
|
||||
final Set<FederationNamespaceInfo> nss = namenodeResolver.getNamespaces();
|
||||
Map<FederationNamespaceInfo, Object> ret =
|
||||
rpcClient.invokeConcurrent(nss, method, true, false);
|
||||
Map<FederationNamespaceInfo, RollingUpgradeInfo> ret =
|
||||
rpcClient.invokeConcurrent(
|
||||
nss, method, true, false, RollingUpgradeInfo.class);
|
||||
|
||||
// Return the first rolling upgrade info
|
||||
RollingUpgradeInfo info = null;
|
||||
Object obj = ret;
|
||||
@SuppressWarnings("unchecked")
|
||||
Map<FederationNamespaceInfo, RollingUpgradeInfo> results =
|
||||
(Map<FederationNamespaceInfo, RollingUpgradeInfo>)obj;
|
||||
Collection<RollingUpgradeInfo> infos = results.values();
|
||||
for (RollingUpgradeInfo infoNs : infos) {
|
||||
for (RollingUpgradeInfo infoNs : ret.values()) {
|
||||
if (info == null && infoNs != null) {
|
||||
info = infoNs;
|
||||
}
|
||||
|
|
@ -1357,10 +1349,9 @@ public class RouterRpcServer extends AbstractService implements ClientProtocol {
|
|||
final List<RemoteLocation> locations = getLocationsForPath(path, false);
|
||||
RemoteMethod method = new RemoteMethod("getContentSummary",
|
||||
new Class<?>[] {String.class}, new RemoteParam());
|
||||
@SuppressWarnings("unchecked")
|
||||
Map<String, ContentSummary> results =
|
||||
(Map<String, ContentSummary>) ((Object)rpcClient.invokeConcurrent(
|
||||
locations, method, false, false));
|
||||
Map<RemoteLocation, ContentSummary> results =
|
||||
rpcClient.invokeConcurrent(
|
||||
locations, method, false, false, ContentSummary.class);
|
||||
summaries.addAll(results.values());
|
||||
} catch (FileNotFoundException e) {
|
||||
notFoundException = e;
|
||||
|
|
@ -1746,17 +1737,12 @@ public class RouterRpcServer extends AbstractService implements ClientProtocol {
|
|||
RemoteMethod method = new RemoteMethod(
|
||||
"getCurrentEditLogTxid", new Class<?>[] {});
|
||||
final Set<FederationNamespaceInfo> nss = namenodeResolver.getNamespaces();
|
||||
Map<FederationNamespaceInfo, Object> ret =
|
||||
rpcClient.invokeConcurrent(nss, method, true, false);
|
||||
Map<FederationNamespaceInfo, Long> ret =
|
||||
rpcClient.invokeConcurrent(nss, method, true, false, long.class);
|
||||
|
||||
// Return the maximum txid
|
||||
long txid = 0;
|
||||
Object obj = ret;
|
||||
@SuppressWarnings("unchecked")
|
||||
Map<FederationNamespaceInfo, Long> results =
|
||||
(Map<FederationNamespaceInfo, Long>)obj;
|
||||
Collection<Long> txids = results.values();
|
||||
for (long t : txids) {
|
||||
for (long t : ret.values()) {
|
||||
if (t > txid) {
|
||||
txid = t;
|
||||
}
|
||||
|
|
@ -1789,31 +1775,6 @@ public class RouterRpcServer extends AbstractService implements ClientProtocol {
|
|||
checkOperation(OperationCategory.WRITE, false);
|
||||
}
|
||||
|
||||
@Override
|
||||
public ErasureCodingPolicyInfo[] getErasureCodingPolicies()
|
||||
throws IOException {
|
||||
checkOperation(OperationCategory.READ, false);
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override // ClientProtocol
|
||||
public ErasureCodingPolicy getErasureCodingPolicy(String src)
|
||||
throws IOException {
|
||||
checkOperation(OperationCategory.READ, false);
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override // ClientProtocol
|
||||
public void setErasureCodingPolicy(String src, String ecPolicyName)
|
||||
throws IOException {
|
||||
checkOperation(OperationCategory.WRITE, false);
|
||||
}
|
||||
|
||||
@Override // ClientProtocol
|
||||
public void unsetErasureCodingPolicy(String src) throws IOException {
|
||||
checkOperation(OperationCategory.WRITE, false);
|
||||
}
|
||||
|
||||
@Override // ClientProtocol
|
||||
public void setQuota(String path, long namespaceQuota, long storagespaceQuota,
|
||||
StorageType type) throws IOException {
|
||||
|
|
@ -1875,38 +1836,61 @@ public class RouterRpcServer extends AbstractService implements ClientProtocol {
|
|||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
@Override // ClientProtocol
|
||||
public ErasureCodingPolicyInfo[] getErasureCodingPolicies()
|
||||
throws IOException {
|
||||
return erasureCoding.getErasureCodingPolicies();
|
||||
}
|
||||
|
||||
@Override // ClientProtocol
|
||||
public Map<String, String> getErasureCodingCodecs() throws IOException {
|
||||
return erasureCoding.getErasureCodingCodecs();
|
||||
}
|
||||
|
||||
@Override // ClientProtocol
|
||||
public AddErasureCodingPolicyResponse[] addErasureCodingPolicies(
|
||||
ErasureCodingPolicy[] policies) throws IOException {
|
||||
checkOperation(OperationCategory.WRITE, false);
|
||||
return null;
|
||||
return erasureCoding.addErasureCodingPolicies(policies);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void removeErasureCodingPolicy(String arg0) throws IOException {
|
||||
checkOperation(OperationCategory.WRITE, false);
|
||||
@Override // ClientProtocol
|
||||
public void removeErasureCodingPolicy(String ecPolicyName)
|
||||
throws IOException {
|
||||
erasureCoding.removeErasureCodingPolicy(ecPolicyName);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void disableErasureCodingPolicy(String arg0) throws IOException {
|
||||
checkOperation(OperationCategory.WRITE, false);
|
||||
@Override // ClientProtocol
|
||||
public void disableErasureCodingPolicy(String ecPolicyName)
|
||||
throws IOException {
|
||||
erasureCoding.disableErasureCodingPolicy(ecPolicyName);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void enableErasureCodingPolicy(String arg0) throws IOException {
|
||||
checkOperation(OperationCategory.WRITE, false);
|
||||
@Override // ClientProtocol
|
||||
public void enableErasureCodingPolicy(String ecPolicyName)
|
||||
throws IOException {
|
||||
erasureCoding.enableErasureCodingPolicy(ecPolicyName);
|
||||
}
|
||||
|
||||
@Override // ClientProtocol
|
||||
public ErasureCodingPolicy getErasureCodingPolicy(String src)
|
||||
throws IOException {
|
||||
return erasureCoding.getErasureCodingPolicy(src);
|
||||
}
|
||||
|
||||
@Override // ClientProtocol
|
||||
public void setErasureCodingPolicy(String src, String ecPolicyName)
|
||||
throws IOException {
|
||||
erasureCoding.setErasureCodingPolicy(src, ecPolicyName);
|
||||
}
|
||||
|
||||
@Override // ClientProtocol
|
||||
public void unsetErasureCodingPolicy(String src) throws IOException {
|
||||
erasureCoding.unsetErasureCodingPolicy(src);
|
||||
}
|
||||
|
||||
@Override
|
||||
public ECBlockGroupStats getECBlockGroupStats() throws IOException {
|
||||
checkOperation(OperationCategory.READ, false);
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Map<String, String> getErasureCodingCodecs() throws IOException {
|
||||
checkOperation(OperationCategory.READ, false);
|
||||
return null;
|
||||
return erasureCoding.getECBlockGroupStats();
|
||||
}
|
||||
|
||||
@Override
|
||||
|
|
@ -1974,7 +1958,7 @@ public class RouterRpcServer extends AbstractService implements ClientProtocol {
|
|||
* @return Prioritized list of locations in the federated cluster.
|
||||
* @throws IOException If the location for this path cannot be determined.
|
||||
*/
|
||||
private List<RemoteLocation> getLocationsForPath(
|
||||
protected List<RemoteLocation> getLocationsForPath(
|
||||
String path, boolean failIfLocked) throws IOException {
|
||||
try {
|
||||
// Check the location for this path
|
||||
|
|
@ -2097,4 +2081,37 @@ public class RouterRpcServer extends AbstractService implements ClientProtocol {
|
|||
UserGroupInformation ugi = Server.getRemoteUser();
|
||||
return (ugi != null) ? ugi : UserGroupInformation.getCurrentUser();
|
||||
}
|
||||
|
||||
/**
|
||||
* Merge the outputs from multiple namespaces.
|
||||
* @param map Namespace -> Output array.
|
||||
* @param clazz Class of the values.
|
||||
* @return Array with the outputs.
|
||||
*/
|
||||
protected static <T> T[] merge(
|
||||
Map<FederationNamespaceInfo, T[]> map, Class<T> clazz) {
|
||||
|
||||
// Put all results into a set to avoid repeats
|
||||
Set<T> ret = new LinkedHashSet<>();
|
||||
for (T[] values : map.values()) {
|
||||
for (T val : values) {
|
||||
ret.add(val);
|
||||
}
|
||||
}
|
||||
|
||||
return toArray(ret, clazz);
|
||||
}
|
||||
|
||||
/**
|
||||
* Convert a set of values into an array.
|
||||
* @param set Input set.
|
||||
* @param clazz Class of the values.
|
||||
* @return Array with the values in set.
|
||||
*/
|
||||
private static <T> T[] toArray(Set<T> set, Class<T> clazz) {
|
||||
@SuppressWarnings("unchecked")
|
||||
T[] combinedData = (T[]) Array.newInstance(clazz, set.size());
|
||||
combinedData = set.toArray(combinedData);
|
||||
return combinedData;
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -109,6 +109,8 @@ public class RouterDFSCluster {
|
|||
private List<RouterContext> routers;
|
||||
/** If the Namenodes are in high availability.*/
|
||||
private boolean highAvailability;
|
||||
/** Number of datanodes per nameservice. */
|
||||
private int numDatanodesPerNameservice = 2;
|
||||
|
||||
/** Mini cluster. */
|
||||
private MiniDFSCluster cluster;
|
||||
|
|
@ -356,8 +358,8 @@ public class RouterDFSCluster {
|
|||
DEFAULT_HEARTBEAT_INTERVAL_MS, DEFAULT_CACHE_INTERVAL_MS);
|
||||
}
|
||||
|
||||
public RouterDFSCluster(boolean ha, int numNameservices, int numNamnodes) {
|
||||
this(ha, numNameservices, numNamnodes,
|
||||
public RouterDFSCluster(boolean ha, int numNameservices, int numNamenodes) {
|
||||
this(ha, numNameservices, numNamenodes,
|
||||
DEFAULT_HEARTBEAT_INTERVAL_MS, DEFAULT_CACHE_INTERVAL_MS);
|
||||
}
|
||||
|
||||
|
|
@ -531,6 +533,10 @@ public class RouterDFSCluster {
|
|||
}
|
||||
}
|
||||
|
||||
public void setNumDatanodesPerNameservice(int num) {
|
||||
this.numDatanodesPerNameservice = num;
|
||||
}
|
||||
|
||||
public String getNameservicesKey() {
|
||||
StringBuilder sb = new StringBuilder();
|
||||
for (String nsId : this.nameservices) {
|
||||
|
|
@ -658,7 +664,7 @@ public class RouterDFSCluster {
|
|||
nnConf.addResource(overrideConf);
|
||||
}
|
||||
cluster = new MiniDFSCluster.Builder(nnConf)
|
||||
.numDataNodes(nameservices.size()*2)
|
||||
.numDataNodes(nameservices.size() * numDatanodesPerNameservice)
|
||||
.nnTopology(topology)
|
||||
.build();
|
||||
cluster.waitActive();
|
||||
|
|
|
|||
|
|
@ -24,19 +24,24 @@ import static org.apache.hadoop.hdfs.server.federation.FederationTestUtils.delet
|
|||
import static org.apache.hadoop.hdfs.server.federation.FederationTestUtils.getFileStatus;
|
||||
import static org.apache.hadoop.hdfs.server.federation.FederationTestUtils.verifyFileExists;
|
||||
import static org.apache.hadoop.hdfs.server.federation.RouterDFSCluster.TEST_STRING;
|
||||
import static org.junit.Assert.assertArrayEquals;
|
||||
import static org.junit.Assert.assertEquals;
|
||||
import static org.junit.Assert.assertFalse;
|
||||
import static org.junit.Assert.assertNotNull;
|
||||
import static org.junit.Assert.assertNull;
|
||||
import static org.junit.Assert.assertTrue;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.lang.reflect.Method;
|
||||
import java.net.URISyntaxException;
|
||||
import java.util.Arrays;
|
||||
import java.util.Comparator;
|
||||
import java.util.EnumSet;
|
||||
import java.util.HashSet;
|
||||
import java.util.Iterator;
|
||||
import java.util.List;
|
||||
import java.util.Map;
|
||||
import java.util.Map.Entry;
|
||||
import java.util.Random;
|
||||
import java.util.Set;
|
||||
import java.util.TreeSet;
|
||||
|
|
@ -53,10 +58,15 @@ import org.apache.hadoop.fs.permission.FsPermission;
|
|||
import org.apache.hadoop.hdfs.DFSClient;
|
||||
import org.apache.hadoop.hdfs.DFSConfigKeys;
|
||||
import org.apache.hadoop.hdfs.client.HdfsDataOutputStream;
|
||||
import org.apache.hadoop.hdfs.protocol.AddErasureCodingPolicyResponse;
|
||||
import org.apache.hadoop.hdfs.protocol.BlockStoragePolicy;
|
||||
import org.apache.hadoop.hdfs.protocol.ClientProtocol;
|
||||
import org.apache.hadoop.hdfs.protocol.DatanodeInfo;
|
||||
import org.apache.hadoop.hdfs.protocol.DirectoryListing;
|
||||
import org.apache.hadoop.hdfs.protocol.ECBlockGroupStats;
|
||||
import org.apache.hadoop.hdfs.protocol.ErasureCodingPolicy;
|
||||
import org.apache.hadoop.hdfs.protocol.ErasureCodingPolicyInfo;
|
||||
import org.apache.hadoop.hdfs.protocol.ErasureCodingPolicyState;
|
||||
import org.apache.hadoop.hdfs.protocol.HdfsConstants.DatanodeReportType;
|
||||
import org.apache.hadoop.hdfs.protocol.HdfsFileStatus;
|
||||
import org.apache.hadoop.hdfs.protocol.LocatedBlock;
|
||||
|
|
@ -68,12 +78,18 @@ import org.apache.hadoop.hdfs.server.federation.RouterDFSCluster.RouterContext;
|
|||
import org.apache.hadoop.hdfs.server.federation.resolver.FileSubclusterResolver;
|
||||
import org.apache.hadoop.hdfs.server.protocol.DatanodeStorageReport;
|
||||
import org.apache.hadoop.io.EnumSetWritable;
|
||||
import org.apache.hadoop.io.erasurecode.ECSchema;
|
||||
import org.apache.hadoop.io.erasurecode.ErasureCodeConstants;
|
||||
import org.apache.hadoop.security.UserGroupInformation;
|
||||
import org.apache.hadoop.service.Service.STATE;
|
||||
import org.junit.AfterClass;
|
||||
import org.junit.Before;
|
||||
import org.junit.BeforeClass;
|
||||
import org.junit.Test;
|
||||
import org.slf4j.Logger;
|
||||
import org.slf4j.LoggerFactory;
|
||||
|
||||
import com.google.common.collect.Maps;
|
||||
|
||||
/**
|
||||
* The the RPC interface of the {@link Router} implemented by
|
||||
|
|
@ -81,6 +97,20 @@ import org.junit.Test;
|
|||
*/
|
||||
public class TestRouterRpc {
|
||||
|
||||
private static final Logger LOG =
|
||||
LoggerFactory.getLogger(TestRouterRpc.class);
|
||||
|
||||
private static final Comparator<ErasureCodingPolicyInfo> EC_POLICY_CMP =
|
||||
new Comparator<ErasureCodingPolicyInfo>() {
|
||||
public int compare(
|
||||
ErasureCodingPolicyInfo ec0,
|
||||
ErasureCodingPolicyInfo ec1) {
|
||||
String name0 = ec0.getPolicy().getName();
|
||||
String name1 = ec1.getPolicy().getName();
|
||||
return name0.compareTo(name1);
|
||||
}
|
||||
};
|
||||
|
||||
/** Federated HDFS cluster. */
|
||||
private static RouterDFSCluster cluster;
|
||||
|
||||
|
|
@ -111,6 +141,8 @@ public class TestRouterRpc {
|
|||
@BeforeClass
|
||||
public static void globalSetUp() throws Exception {
|
||||
cluster = new RouterDFSCluster(false, 2);
|
||||
// We need 6 DNs to test Erasure Coding with RS-6-3-64k
|
||||
cluster.setNumDatanodesPerNameservice(6);
|
||||
|
||||
// Start NNs and DNs and wait until ready
|
||||
cluster.startCluster();
|
||||
|
|
@ -144,9 +176,9 @@ public class TestRouterRpc {
|
|||
// Wait to ensure NN has fully created its test directories
|
||||
Thread.sleep(100);
|
||||
|
||||
// Pick a NS, namenode and router for this test
|
||||
// Default namenode and random router for this test
|
||||
this.router = cluster.getRandomRouter();
|
||||
this.ns = cluster.getRandomNameservice();
|
||||
this.ns = cluster.getNameservices().get(0);
|
||||
this.namenode = cluster.getNamenode(ns, null);
|
||||
|
||||
// Handles to the ClientProtocol interface
|
||||
|
|
@ -481,7 +513,7 @@ public class TestRouterRpc {
|
|||
for (int i = 0; i < data.length; i++) {
|
||||
individualData[i] += data[i];
|
||||
}
|
||||
assert(data.length == combinedData.length);
|
||||
assertEquals(data.length, combinedData.length);
|
||||
}
|
||||
|
||||
for (int i = 0; i < combinedData.length && i < individualData.length; i++) {
|
||||
|
|
@ -489,7 +521,9 @@ public class TestRouterRpc {
|
|||
// Skip available storage as this fluctuates in mini cluster
|
||||
continue;
|
||||
}
|
||||
assertEquals(combinedData[i], individualData[i]);
|
||||
assertEquals("Stats for " + i + " don't match: " +
|
||||
combinedData[i] + "!=" + individualData[i],
|
||||
combinedData[i], individualData[i]);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -866,4 +900,153 @@ public class TestRouterRpc {
|
|||
|
||||
assertEquals(routerFailure.getClass(), nnFailure.getClass());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testErasureCoding() throws IOException {
|
||||
|
||||
LOG.info("List the available erasurce coding policies");
|
||||
ErasureCodingPolicyInfo[] policies = checkErasureCodingPolicies();
|
||||
for (ErasureCodingPolicyInfo policy : policies) {
|
||||
LOG.info(" {}", policy);
|
||||
}
|
||||
|
||||
LOG.info("List the erasure coding codecs");
|
||||
Map<String, String> codecsRouter = routerProtocol.getErasureCodingCodecs();
|
||||
Map<String, String> codecsNamenode = nnProtocol.getErasureCodingCodecs();
|
||||
assertTrue(Maps.difference(codecsRouter, codecsNamenode).areEqual());
|
||||
for (Entry<String, String> entry : codecsRouter.entrySet()) {
|
||||
LOG.info(" {}: {}", entry.getKey(), entry.getValue());
|
||||
}
|
||||
|
||||
LOG.info("Create a testing directory via the router at the root level");
|
||||
String dirPath = "/testec";
|
||||
String filePath1 = dirPath + "/testfile1";
|
||||
FsPermission permission = new FsPermission("755");
|
||||
routerProtocol.mkdirs(dirPath, permission, false);
|
||||
createFile(routerFS, filePath1, 32);
|
||||
assertTrue(verifyFileExists(routerFS, filePath1));
|
||||
DFSClient file1Protocol = getFileDFSClient(filePath1);
|
||||
|
||||
LOG.info("The policy for the new file should not be set");
|
||||
assertNull(routerProtocol.getErasureCodingPolicy(filePath1));
|
||||
assertNull(file1Protocol.getErasureCodingPolicy(filePath1));
|
||||
|
||||
String policyName = "RS-6-3-1024k";
|
||||
LOG.info("Set policy \"{}\" for \"{}\"", policyName, dirPath);
|
||||
routerProtocol.setErasureCodingPolicy(dirPath, policyName);
|
||||
|
||||
String filePath2 = dirPath + "/testfile2";
|
||||
LOG.info("Create {} in the path with the new EC policy", filePath2);
|
||||
createFile(routerFS, filePath2, 32);
|
||||
assertTrue(verifyFileExists(routerFS, filePath2));
|
||||
DFSClient file2Protocol = getFileDFSClient(filePath2);
|
||||
|
||||
LOG.info("Check that the policy is set for {}", filePath2);
|
||||
ErasureCodingPolicy policyRouter1 =
|
||||
routerProtocol.getErasureCodingPolicy(filePath2);
|
||||
ErasureCodingPolicy policyNamenode1 =
|
||||
file2Protocol.getErasureCodingPolicy(filePath2);
|
||||
assertNotNull(policyRouter1);
|
||||
assertEquals(policyName, policyRouter1.getName());
|
||||
assertEquals(policyName, policyNamenode1.getName());
|
||||
|
||||
LOG.info("Create a new erasure coding policy");
|
||||
String newPolicyName = "RS-6-3-128k";
|
||||
ECSchema ecSchema = new ECSchema(ErasureCodeConstants.RS_CODEC_NAME, 6, 3);
|
||||
ErasureCodingPolicy ecPolicy = new ErasureCodingPolicy(
|
||||
newPolicyName,
|
||||
ecSchema,
|
||||
128 * 1024,
|
||||
(byte) -1);
|
||||
ErasureCodingPolicy[] newPolicies = new ErasureCodingPolicy[] {
|
||||
ecPolicy
|
||||
};
|
||||
AddErasureCodingPolicyResponse[] responses =
|
||||
routerProtocol.addErasureCodingPolicies(newPolicies);
|
||||
assertEquals(1, responses.length);
|
||||
assertTrue(responses[0].isSucceed());
|
||||
routerProtocol.disableErasureCodingPolicy(newPolicyName);
|
||||
|
||||
LOG.info("The new policy should be there and disabled");
|
||||
policies = checkErasureCodingPolicies();
|
||||
boolean found = false;
|
||||
for (ErasureCodingPolicyInfo policy : policies) {
|
||||
LOG.info(" {}" + policy);
|
||||
if (policy.getPolicy().getName().equals(newPolicyName)) {
|
||||
found = true;
|
||||
assertEquals(ErasureCodingPolicyState.DISABLED, policy.getState());
|
||||
break;
|
||||
}
|
||||
}
|
||||
assertTrue(found);
|
||||
|
||||
LOG.info("Set the test folder to use the new policy");
|
||||
routerProtocol.enableErasureCodingPolicy(newPolicyName);
|
||||
routerProtocol.setErasureCodingPolicy(dirPath, newPolicyName);
|
||||
|
||||
LOG.info("Create a file in the path with the new EC policy");
|
||||
String filePath3 = dirPath + "/testfile3";
|
||||
createFile(routerFS, filePath3, 32);
|
||||
assertTrue(verifyFileExists(routerFS, filePath3));
|
||||
DFSClient file3Protocol = getFileDFSClient(filePath3);
|
||||
|
||||
ErasureCodingPolicy policyRouterFile3 =
|
||||
routerProtocol.getErasureCodingPolicy(filePath3);
|
||||
assertEquals(newPolicyName, policyRouterFile3.getName());
|
||||
ErasureCodingPolicy policyNamenodeFile3 =
|
||||
file3Protocol.getErasureCodingPolicy(filePath3);
|
||||
assertEquals(newPolicyName, policyNamenodeFile3.getName());
|
||||
|
||||
LOG.info("Remove the policy and check the one for the test folder");
|
||||
routerProtocol.removeErasureCodingPolicy(newPolicyName);
|
||||
ErasureCodingPolicy policyRouter3 =
|
||||
routerProtocol.getErasureCodingPolicy(filePath3);
|
||||
assertEquals(newPolicyName, policyRouter3.getName());
|
||||
ErasureCodingPolicy policyNamenode3 =
|
||||
file3Protocol.getErasureCodingPolicy(filePath3);
|
||||
assertEquals(newPolicyName, policyNamenode3.getName());
|
||||
|
||||
LOG.info("Check the stats");
|
||||
ECBlockGroupStats statsRouter = routerProtocol.getECBlockGroupStats();
|
||||
ECBlockGroupStats statsNamenode = nnProtocol.getECBlockGroupStats();
|
||||
assertEquals(statsNamenode.toString(), statsRouter.toString());
|
||||
}
|
||||
|
||||
/**
|
||||
* Check the erasure coding policies in the Router and the Namenode.
|
||||
* @return The erasure coding policies.
|
||||
*/
|
||||
private ErasureCodingPolicyInfo[] checkErasureCodingPolicies()
|
||||
throws IOException {
|
||||
ErasureCodingPolicyInfo[] policiesRouter =
|
||||
routerProtocol.getErasureCodingPolicies();
|
||||
assertNotNull(policiesRouter);
|
||||
ErasureCodingPolicyInfo[] policiesNamenode =
|
||||
nnProtocol.getErasureCodingPolicies();
|
||||
Arrays.sort(policiesRouter, EC_POLICY_CMP);
|
||||
Arrays.sort(policiesNamenode, EC_POLICY_CMP);
|
||||
assertArrayEquals(policiesRouter, policiesNamenode);
|
||||
return policiesRouter;
|
||||
}
|
||||
|
||||
/**
|
||||
* Find the Namenode for a particular file and return the DFSClient.
|
||||
* @param path Path of the file to check.
|
||||
* @return The DFSClient to the Namenode holding the file.
|
||||
*/
|
||||
private DFSClient getFileDFSClient(final String path) {
|
||||
for (String nsId : cluster.getNameservices()) {
|
||||
LOG.info("Checking {} for {}", nsId, path);
|
||||
NamenodeContext nn = cluster.getNamenode(nsId, null);
|
||||
try {
|
||||
DFSClient nnClientProtocol = nn.getClient();
|
||||
if (nnClientProtocol.getFileInfo(path) != null) {
|
||||
return nnClientProtocol;
|
||||
}
|
||||
} catch (Exception ignore) {
|
||||
// ignore
|
||||
}
|
||||
}
|
||||
return null;
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue