HDFS-14162. [SBN read] Allow Balancer to work with Observer node. Add a new ProxyCombiner allowing for multiple related protocols to be combined. Allow AlignmentContext to be passed in NameNodeProxyFactory. Contributed by Erik Krogen.
This commit is contained in:
Erik Krogen
parent
b66d5ae9e2
commit
64f28f9efa
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@ -0,0 +1,137 @@
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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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* <p/>
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* http://www.apache.org/licenses/LICENSE-2.0
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* <p/>
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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.ipc;
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import java.io.Closeable;
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import java.io.IOException;
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import java.lang.reflect.InvocationHandler;
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import java.lang.reflect.Method;
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import java.lang.reflect.Proxy;
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import org.apache.hadoop.io.MultipleIOException;
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import org.apache.hadoop.ipc.Client.ConnectionId;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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/**
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* A utility class used to combine two protocol proxies.
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* See {@link #combine(Class, Object...)}.
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*/
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public final class ProxyCombiner {
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private static final Logger LOG =
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LoggerFactory.getLogger(ProxyCombiner.class);
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private ProxyCombiner() { }
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/**
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* Combine two or more proxies which together comprise a single proxy
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* interface. This can be used for a protocol interface which {@code extends}
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* multiple other protocol interfaces. The returned proxy will implement
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* all of the methods of the combined proxy interface, delegating calls
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* to which proxy implements that method. If multiple proxies implement the
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* same method, the first in the list will be used for delegation.
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*
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* <p/>This will check that every method on the combined interface is
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* implemented by at least one of the supplied proxy objects.
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*
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* @param combinedProxyInterface The interface of the combined proxy.
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* @param proxies The proxies which should be used as delegates.
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* @param <T> The type of the proxy that will be returned.
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* @return The combined proxy.
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*/
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@SuppressWarnings("unchecked")
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public static <T> T combine(Class<T> combinedProxyInterface,
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Object... proxies) {
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methodLoop:
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for (Method m : combinedProxyInterface.getMethods()) {
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for (Object proxy : proxies) {
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try {
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proxy.getClass().getMethod(m.getName(), m.getParameterTypes());
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continue methodLoop; // go to the next method
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} catch (NoSuchMethodException nsme) {
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// Continue to try the next proxy
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}
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}
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throw new IllegalStateException("The proxies specified for "
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+ combinedProxyInterface + " do not cover method " + m);
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}
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InvocationHandler handler = new CombinedProxyInvocationHandler(proxies);
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return (T) Proxy.newProxyInstance(combinedProxyInterface.getClassLoader(),
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new Class[] {combinedProxyInterface}, handler);
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}
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private static final class CombinedProxyInvocationHandler
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implements RpcInvocationHandler {
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private final Object[] proxies;
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private CombinedProxyInvocationHandler(Object[] proxies) {
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this.proxies = proxies;
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}
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@Override
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public Object invoke(Object proxy, Method method, Object[] args)
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throws Throwable {
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Exception lastException = null;
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for (Object underlyingProxy : proxies) {
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try {
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return method.invoke(underlyingProxy, args);
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} catch (IllegalAccessException|IllegalArgumentException e) {
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lastException = e;
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}
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}
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// This shouldn't happen since the method coverage was verified in build()
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LOG.error("BUG: Method {} was unable to be found on any of the "
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+ "underlying proxies for {}", method, proxy.getClass());
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throw new IllegalArgumentException("Method " + method + " not supported",
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lastException);
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}
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/**
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* Since this is incapable of returning multiple connection IDs, simply
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* return the first one. In most cases, the connection ID should be the same
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* for all proxies.
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*/
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@Override
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public ConnectionId getConnectionId() {
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return RPC.getConnectionIdForProxy(proxies[0]);
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}
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@Override
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public void close() throws IOException {
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MultipleIOException.Builder exceptionBuilder =
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new MultipleIOException.Builder();
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for (Object proxy : proxies) {
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if (proxy instanceof Closeable) {
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try {
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((Closeable) proxy).close();
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} catch (IOException ioe) {
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exceptionBuilder.add(ioe);
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}
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}
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}
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if (!exceptionBuilder.isEmpty()) {
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throw exceptionBuilder.build();
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}
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}
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}
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}
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@ -19,6 +19,7 @@
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import org.apache.hadoop.classification.InterfaceAudience;
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import org.apache.hadoop.conf.Configuration;
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import org.apache.hadoop.ipc.AlignmentContext;
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import org.apache.hadoop.security.UserGroupInformation;
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import java.io.IOException;
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@ -41,4 +42,12 @@ T createProxy(Configuration conf, InetSocketAddress nnAddr, Class<T> xface,
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T createProxy(Configuration conf, InetSocketAddress nnAddr, Class<T> xface,
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UserGroupInformation ugi, boolean withRetries) throws IOException;
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/**
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* Set the alignment context to be used when creating new proxies using
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* this factory. Not all implementations will use this alignment context.
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*/
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default void setAlignmentContext(AlignmentContext alignmentContext) {
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// noop
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}
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}
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@ -120,7 +120,7 @@ public ObserverReadProxyProvider(
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super(conf, uri, xface, factory);
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this.failoverProxy = failoverProxy;
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this.alignmentContext = new ClientGSIContext();
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((ClientHAProxyFactory<T>) factory).setAlignmentContext(alignmentContext);
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factory.setAlignmentContext(alignmentContext);
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// Don't bother configuring the number of retries and such on the retry
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// policy since it is mainly only used for determining whether or not an
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@ -40,13 +40,16 @@
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import org.apache.hadoop.hdfs.server.aliasmap.InMemoryAliasMapProtocol;
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import org.apache.hadoop.hdfs.server.namenode.ha.AbstractNNFailoverProxyProvider;
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import org.apache.hadoop.hdfs.server.namenode.ha.NameNodeHAProxyFactory;
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import org.apache.hadoop.hdfs.server.protocol.BalancerProtocols;
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import org.apache.hadoop.hdfs.server.protocol.JournalProtocol;
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import org.apache.hadoop.hdfs.server.protocol.NamenodeProtocol;
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import org.apache.hadoop.io.Text;
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import org.apache.hadoop.io.retry.RetryPolicies;
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import org.apache.hadoop.io.retry.RetryPolicy;
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import org.apache.hadoop.io.retry.RetryProxy;
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import org.apache.hadoop.ipc.AlignmentContext;
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import org.apache.hadoop.ipc.ProtobufRpcEngine;
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import org.apache.hadoop.ipc.ProxyCombiner;
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import org.apache.hadoop.ipc.RPC;
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import org.apache.hadoop.ipc.RefreshCallQueueProtocol;
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import org.apache.hadoop.ipc.protocolPB.RefreshCallQueueProtocolClientSideTranslatorPB;
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@ -122,7 +125,7 @@ public static <T> ProxyAndInfo<T> createProxy(Configuration conf,
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if (failoverProxyProvider == null) {
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return createNonHAProxy(conf, DFSUtilClient.getNNAddress(nameNodeUri),
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xface, UserGroupInformation.getCurrentUser(), true,
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fallbackToSimpleAuth);
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fallbackToSimpleAuth, null);
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} else {
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return NameNodeProxiesClient.createHAProxy(conf, nameNodeUri, xface,
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failoverProxyProvider);
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@ -145,7 +148,7 @@ public static <T> ProxyAndInfo<T> createProxy(Configuration conf,
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public static <T> ProxyAndInfo<T> createNonHAProxy(
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Configuration conf, InetSocketAddress nnAddr, Class<T> xface,
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UserGroupInformation ugi, boolean withRetries) throws IOException {
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return createNonHAProxy(conf, nnAddr, xface, ugi, withRetries, null);
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return createNonHAProxy(conf, nnAddr, xface, ugi, withRetries, null, null);
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}
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/**
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@ -167,29 +170,39 @@ public static <T> ProxyAndInfo<T> createNonHAProxy(
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public static <T> ProxyAndInfo<T> createNonHAProxy(
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Configuration conf, InetSocketAddress nnAddr, Class<T> xface,
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UserGroupInformation ugi, boolean withRetries,
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AtomicBoolean fallbackToSimpleAuth) throws IOException {
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AtomicBoolean fallbackToSimpleAuth, AlignmentContext alignmentContext)
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throws IOException {
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Text dtService = SecurityUtil.buildTokenService(nnAddr);
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T proxy;
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if (xface == ClientProtocol.class) {
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proxy = (T) NameNodeProxiesClient.createNonHAProxyWithClientProtocol(
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nnAddr, conf, ugi, withRetries, fallbackToSimpleAuth);
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proxy = (T) NameNodeProxiesClient.createProxyWithAlignmentContext(
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nnAddr, conf, ugi, withRetries, fallbackToSimpleAuth,
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alignmentContext);
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} else if (xface == JournalProtocol.class) {
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proxy = (T) createNNProxyWithJournalProtocol(nnAddr, conf, ugi);
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proxy = (T) createNNProxyWithJournalProtocol(nnAddr, conf, ugi,
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alignmentContext);
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} else if (xface == NamenodeProtocol.class) {
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proxy = (T) createNNProxyWithNamenodeProtocol(nnAddr, conf, ugi,
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withRetries);
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withRetries, alignmentContext);
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} else if (xface == GetUserMappingsProtocol.class) {
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proxy = (T) createNNProxyWithGetUserMappingsProtocol(nnAddr, conf, ugi);
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proxy = (T) createNNProxyWithGetUserMappingsProtocol(nnAddr, conf, ugi,
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alignmentContext);
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} else if (xface == RefreshUserMappingsProtocol.class) {
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proxy = (T) createNNProxyWithRefreshUserMappingsProtocol(nnAddr, conf, ugi);
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proxy = (T) createNNProxyWithRefreshUserMappingsProtocol(nnAddr, conf,
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ugi, alignmentContext);
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} else if (xface == RefreshAuthorizationPolicyProtocol.class) {
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proxy = (T) createNNProxyWithRefreshAuthorizationPolicyProtocol(nnAddr,
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conf, ugi);
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conf, ugi, alignmentContext);
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} else if (xface == RefreshCallQueueProtocol.class) {
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proxy = (T) createNNProxyWithRefreshCallQueueProtocol(nnAddr, conf, ugi);
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proxy = (T) createNNProxyWithRefreshCallQueueProtocol(nnAddr, conf, ugi,
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alignmentContext);
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} else if (xface == InMemoryAliasMapProtocol.class) {
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proxy = (T) createNNProxyWithInMemoryAliasMapProtocol(nnAddr, conf, ugi);
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proxy = (T) createNNProxyWithInMemoryAliasMapProtocol(nnAddr, conf, ugi,
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alignmentContext);
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} else if (xface == BalancerProtocols.class) {
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proxy = (T) createNNProxyWithBalancerProtocol(nnAddr, conf, ugi,
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withRetries, fallbackToSimpleAuth, alignmentContext);
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} else {
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String message = "Unsupported protocol found when creating the proxy " +
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"connection to NameNode: " +
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@ -202,58 +215,63 @@ public static <T> ProxyAndInfo<T> createNonHAProxy(
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}
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private static InMemoryAliasMapProtocol createNNProxyWithInMemoryAliasMapProtocol(
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InetSocketAddress address, Configuration conf, UserGroupInformation ugi)
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throws IOException {
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AliasMapProtocolPB proxy = (AliasMapProtocolPB) createNameNodeProxy(
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address, conf, ugi, AliasMapProtocolPB.class, 30000);
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InetSocketAddress address, Configuration conf, UserGroupInformation ugi,
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AlignmentContext alignmentContext) throws IOException {
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AliasMapProtocolPB proxy = createNameNodeProxy(
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address, conf, ugi, AliasMapProtocolPB.class, 30000, alignmentContext);
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return new InMemoryAliasMapProtocolClientSideTranslatorPB(proxy);
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}
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private static JournalProtocol createNNProxyWithJournalProtocol(
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InetSocketAddress address, Configuration conf, UserGroupInformation ugi)
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throws IOException {
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JournalProtocolPB proxy = (JournalProtocolPB) createNameNodeProxy(address,
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conf, ugi, JournalProtocolPB.class, 30000);
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InetSocketAddress address, Configuration conf, UserGroupInformation ugi,
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AlignmentContext alignmentContext) throws IOException {
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JournalProtocolPB proxy = createNameNodeProxy(address,
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conf, ugi, JournalProtocolPB.class, 30000, alignmentContext);
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return new JournalProtocolTranslatorPB(proxy);
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}
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private static RefreshAuthorizationPolicyProtocol
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createNNProxyWithRefreshAuthorizationPolicyProtocol(InetSocketAddress address,
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Configuration conf, UserGroupInformation ugi) throws IOException {
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RefreshAuthorizationPolicyProtocolPB proxy = (RefreshAuthorizationPolicyProtocolPB)
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createNameNodeProxy(address, conf, ugi, RefreshAuthorizationPolicyProtocolPB.class, 0);
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Configuration conf, UserGroupInformation ugi,
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AlignmentContext alignmentContext) throws IOException {
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RefreshAuthorizationPolicyProtocolPB proxy = createNameNodeProxy(address,
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conf, ugi, RefreshAuthorizationPolicyProtocolPB.class, 0,
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alignmentContext);
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return new RefreshAuthorizationPolicyProtocolClientSideTranslatorPB(proxy);
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}
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private static RefreshUserMappingsProtocol
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createNNProxyWithRefreshUserMappingsProtocol(InetSocketAddress address,
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Configuration conf, UserGroupInformation ugi) throws IOException {
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RefreshUserMappingsProtocolPB proxy = (RefreshUserMappingsProtocolPB)
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createNameNodeProxy(address, conf, ugi, RefreshUserMappingsProtocolPB.class, 0);
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Configuration conf, UserGroupInformation ugi,
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AlignmentContext alignmentContext) throws IOException {
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RefreshUserMappingsProtocolPB proxy = createNameNodeProxy(address, conf,
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ugi, RefreshUserMappingsProtocolPB.class, 0, alignmentContext);
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return new RefreshUserMappingsProtocolClientSideTranslatorPB(proxy);
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}
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private static RefreshCallQueueProtocol
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createNNProxyWithRefreshCallQueueProtocol(InetSocketAddress address,
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Configuration conf, UserGroupInformation ugi) throws IOException {
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RefreshCallQueueProtocolPB proxy = (RefreshCallQueueProtocolPB)
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createNameNodeProxy(address, conf, ugi, RefreshCallQueueProtocolPB.class, 0);
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Configuration conf, UserGroupInformation ugi,
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AlignmentContext alignmentContext) throws IOException {
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RefreshCallQueueProtocolPB proxy = createNameNodeProxy(address, conf, ugi,
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RefreshCallQueueProtocolPB.class, 0, alignmentContext);
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return new RefreshCallQueueProtocolClientSideTranslatorPB(proxy);
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}
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private static GetUserMappingsProtocol createNNProxyWithGetUserMappingsProtocol(
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InetSocketAddress address, Configuration conf, UserGroupInformation ugi)
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throws IOException {
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GetUserMappingsProtocolPB proxy = (GetUserMappingsProtocolPB)
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createNameNodeProxy(address, conf, ugi, GetUserMappingsProtocolPB.class, 0);
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InetSocketAddress address, Configuration conf, UserGroupInformation ugi,
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AlignmentContext alignmentContext) throws IOException {
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GetUserMappingsProtocolPB proxy = createNameNodeProxy(address, conf, ugi,
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GetUserMappingsProtocolPB.class, 0, alignmentContext);
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return new GetUserMappingsProtocolClientSideTranslatorPB(proxy);
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}
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private static NamenodeProtocol createNNProxyWithNamenodeProtocol(
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InetSocketAddress address, Configuration conf, UserGroupInformation ugi,
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boolean withRetries) throws IOException {
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NamenodeProtocolPB proxy = (NamenodeProtocolPB) createNameNodeProxy(
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address, conf, ugi, NamenodeProtocolPB.class, 0);
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boolean withRetries, AlignmentContext alignmentContext)
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throws IOException {
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NamenodeProtocolPB proxy = createNameNodeProxy(
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address, conf, ugi, NamenodeProtocolPB.class, 0, alignmentContext);
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if (withRetries) { // create the proxy with retries
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RetryPolicy timeoutPolicy = RetryPolicies.exponentialBackoffRetry(5, 200,
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TimeUnit.MILLISECONDS);
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@ -270,13 +288,28 @@ private static NamenodeProtocol createNNProxyWithNamenodeProtocol(
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}
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}
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private static Object createNameNodeProxy(InetSocketAddress address,
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Configuration conf, UserGroupInformation ugi, Class<?> xface,
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int rpcTimeout) throws IOException {
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private static BalancerProtocols createNNProxyWithBalancerProtocol(
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InetSocketAddress address, Configuration conf, UserGroupInformation ugi,
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boolean withRetries, AtomicBoolean fallbackToSimpleAuth,
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AlignmentContext alignmentContext) throws IOException {
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NamenodeProtocol namenodeProtocol = createNNProxyWithNamenodeProtocol(
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address, conf, ugi, withRetries, alignmentContext);
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ClientProtocol clientProtocol =
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NameNodeProxiesClient.createProxyWithAlignmentContext(address,
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conf, ugi, withRetries, fallbackToSimpleAuth, alignmentContext);
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return ProxyCombiner.combine(BalancerProtocols.class,
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namenodeProtocol, clientProtocol);
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}
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private static <T> T createNameNodeProxy(InetSocketAddress address,
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Configuration conf, UserGroupInformation ugi, Class<T> xface,
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int rpcTimeout, AlignmentContext alignmentContext) throws IOException {
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RPC.setProtocolEngine(conf, xface, ProtobufRpcEngine.class);
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Object proxy = RPC.getProxy(xface, RPC.getProtocolVersion(xface), address,
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ugi, conf, NetUtils.getDefaultSocketFactory(conf), rpcTimeout);
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return proxy;
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return RPC.getProtocolProxy(xface,
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RPC.getProtocolVersion(xface), address, ugi, conf,
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NetUtils.getDefaultSocketFactory(conf), rpcTimeout, null, null,
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alignmentContext).getProxy();
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}
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}
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@ -43,11 +43,11 @@
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import org.apache.hadoop.hdfs.DistributedFileSystem;
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import org.apache.hadoop.hdfs.NameNodeProxies;
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import org.apache.hadoop.hdfs.protocol.AlreadyBeingCreatedException;
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import org.apache.hadoop.hdfs.protocol.ClientProtocol;
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import org.apache.hadoop.hdfs.protocol.DatanodeInfo;
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import org.apache.hadoop.hdfs.protocol.HdfsConstants;
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import org.apache.hadoop.hdfs.protocol.HdfsConstants.DatanodeReportType;
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import org.apache.hadoop.hdfs.protocol.RollingUpgradeInfo;
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import org.apache.hadoop.hdfs.server.protocol.BalancerProtocols;
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import org.apache.hadoop.hdfs.server.protocol.BlocksWithLocations;
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import org.apache.hadoop.hdfs.server.protocol.DatanodeStorageReport;
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import org.apache.hadoop.hdfs.server.protocol.NamenodeProtocol;
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@ -111,8 +111,7 @@ public static void checkOtherInstanceRunning(boolean toCheck) {
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private final URI nameNodeUri;
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private final String blockpoolID;
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private final NamenodeProtocol namenode;
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private final ClientProtocol client;
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private final BalancerProtocols namenode;
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private final KeyManager keyManager;
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final AtomicBoolean fallbackToSimpleAuth = new AtomicBoolean(false);
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@ -136,9 +135,7 @@ public NameNodeConnector(String name, URI nameNodeUri, Path idPath,
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this.maxNotChangedIterations = maxNotChangedIterations;
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this.namenode = NameNodeProxies.createProxy(conf, nameNodeUri,
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NamenodeProtocol.class).getProxy();
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this.client = NameNodeProxies.createProxy(conf, nameNodeUri,
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ClientProtocol.class, fallbackToSimpleAuth).getProxy();
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BalancerProtocols.class, fallbackToSimpleAuth).getProxy();
|
||||
this.fs = (DistributedFileSystem)FileSystem.get(nameNodeUri, conf);
|
||||
|
||||
final NamespaceInfo namespaceinfo = namenode.versionRequest();
|
||||
|
|
@ -194,7 +191,7 @@ public boolean isUpgrading() throws IOException {
|
|||
/** @return live datanode storage reports. */
|
||||
public DatanodeStorageReport[] getLiveDatanodeStorageReport()
|
||||
throws IOException {
|
||||
return client.getDatanodeStorageReport(DatanodeReportType.LIVE);
|
||||
return namenode.getDatanodeStorageReport(DatanodeReportType.LIVE);
|
||||
}
|
||||
|
||||
/** @return the key manager */
|
||||
|
|
|
|||
|
|
@ -19,6 +19,7 @@
|
|||
|
||||
import org.apache.hadoop.conf.Configuration;
|
||||
import org.apache.hadoop.hdfs.NameNodeProxies;
|
||||
import org.apache.hadoop.ipc.AlignmentContext;
|
||||
import org.apache.hadoop.security.UserGroupInformation;
|
||||
|
||||
import java.io.IOException;
|
||||
|
|
@ -27,12 +28,14 @@
|
|||
|
||||
public class NameNodeHAProxyFactory<T> implements HAProxyFactory<T> {
|
||||
|
||||
private AlignmentContext alignmentContext;
|
||||
|
||||
@Override
|
||||
public T createProxy(Configuration conf, InetSocketAddress nnAddr,
|
||||
Class<T> xface, UserGroupInformation ugi, boolean withRetries,
|
||||
AtomicBoolean fallbackToSimpleAuth) throws IOException {
|
||||
return NameNodeProxies.createNonHAProxy(conf, nnAddr, xface,
|
||||
ugi, withRetries, fallbackToSimpleAuth).getProxy();
|
||||
ugi, withRetries, fallbackToSimpleAuth, alignmentContext).getProxy();
|
||||
}
|
||||
|
||||
@Override
|
||||
|
|
@ -42,4 +45,8 @@ public T createProxy(Configuration conf, InetSocketAddress nnAddr,
|
|||
return NameNodeProxies.createNonHAProxy(conf, nnAddr, xface,
|
||||
ugi, withRetries).getProxy();
|
||||
}
|
||||
|
||||
public void setAlignmentContext(AlignmentContext alignmentContext) {
|
||||
this.alignmentContext = alignmentContext;
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -0,0 +1,30 @@
|
|||
/**
|
||||
* Licensed to the Apache Software Foundation (ASF) under one
|
||||
* or more contributor license agreements. See the NOTICE file
|
||||
* distributed with this work for additional information
|
||||
* regarding copyright ownership. The ASF licenses this file
|
||||
* to you under the Apache License, Version 2.0 (the
|
||||
* "License"); you may not use this file except in compliance
|
||||
* with the License. You may obtain a copy of the License at
|
||||
* <p/>
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
* <p/>
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
package org.apache.hadoop.hdfs.server.protocol;
|
||||
|
||||
import org.apache.hadoop.classification.InterfaceAudience;
|
||||
import org.apache.hadoop.hdfs.DFSConfigKeys;
|
||||
import org.apache.hadoop.hdfs.protocol.ClientProtocol;
|
||||
import org.apache.hadoop.security.KerberosInfo;
|
||||
|
||||
|
||||
/** The full set of protocols used by the Balancer. */
|
||||
@InterfaceAudience.Private
|
||||
@KerberosInfo(
|
||||
serverPrincipal = DFSConfigKeys.DFS_NAMENODE_KERBEROS_PRINCIPAL_KEY)
|
||||
public interface BalancerProtocols extends ClientProtocol, NamenodeProtocol { }
|
||||
|
|
@ -18,14 +18,13 @@
|
|||
package org.apache.hadoop.hdfs.server.balancer;
|
||||
|
||||
import static org.junit.Assert.assertEquals;
|
||||
import static org.junit.Assert.assertTrue;
|
||||
|
||||
import java.net.URI;
|
||||
import java.util.Collection;
|
||||
|
||||
import org.apache.hadoop.conf.Configuration;
|
||||
import org.apache.hadoop.fs.FileSystem;
|
||||
import org.apache.hadoop.hdfs.DFSUtil;
|
||||
import org.apache.hadoop.hdfs.DistributedFileSystem;
|
||||
import org.apache.hadoop.hdfs.HdfsConfiguration;
|
||||
import org.apache.hadoop.hdfs.MiniDFSCluster;
|
||||
import org.apache.hadoop.hdfs.MiniDFSNNTopology;
|
||||
|
|
@ -33,7 +32,9 @@
|
|||
import org.apache.hadoop.hdfs.NameNodeProxies;
|
||||
import org.apache.hadoop.hdfs.client.HdfsClientConfigKeys;
|
||||
import org.apache.hadoop.hdfs.protocol.ClientProtocol;
|
||||
import org.apache.hadoop.hdfs.qjournal.MiniQJMHACluster;
|
||||
import org.apache.hadoop.hdfs.server.namenode.ha.HATestUtil;
|
||||
import org.apache.hadoop.hdfs.server.namenode.ha.ObserverReadProxyProvider;
|
||||
import org.junit.Test;
|
||||
|
||||
/**
|
||||
|
|
@ -43,6 +44,13 @@ public class TestBalancerWithHANameNodes {
|
|||
private MiniDFSCluster cluster;
|
||||
ClientProtocol client;
|
||||
|
||||
// array of racks for original nodes in cluster
|
||||
private static final String[] TEST_RACKS =
|
||||
{TestBalancer.RACK0, TestBalancer.RACK1};
|
||||
// array of capacities for original nodes in cluster
|
||||
private static final long[] TEST_CAPACITIES =
|
||||
{TestBalancer.CAPACITY, TestBalancer.CAPACITY};
|
||||
|
||||
static {
|
||||
TestBalancer.initTestSetup();
|
||||
}
|
||||
|
|
@ -57,52 +65,79 @@ public class TestBalancerWithHANameNodes {
|
|||
public void testBalancerWithHANameNodes() throws Exception {
|
||||
Configuration conf = new HdfsConfiguration();
|
||||
TestBalancer.initConf(conf);
|
||||
long newNodeCapacity = TestBalancer.CAPACITY; // new node's capacity
|
||||
String newNodeRack = TestBalancer.RACK2; // new node's rack
|
||||
// array of racks for original nodes in cluster
|
||||
String[] racks = new String[] { TestBalancer.RACK0, TestBalancer.RACK1 };
|
||||
// array of capacities of original nodes in cluster
|
||||
long[] capacities = new long[] { TestBalancer.CAPACITY,
|
||||
TestBalancer.CAPACITY };
|
||||
assertEquals(capacities.length, racks.length);
|
||||
int numOfDatanodes = capacities.length;
|
||||
assertEquals(TEST_CAPACITIES.length, TEST_RACKS.length);
|
||||
NNConf nn1Conf = new MiniDFSNNTopology.NNConf("nn1");
|
||||
nn1Conf.setIpcPort(HdfsClientConfigKeys.DFS_NAMENODE_RPC_PORT_DEFAULT);
|
||||
Configuration copiedConf = new Configuration(conf);
|
||||
cluster = new MiniDFSCluster.Builder(copiedConf)
|
||||
.nnTopology(MiniDFSNNTopology.simpleHATopology())
|
||||
.numDataNodes(capacities.length)
|
||||
.racks(racks)
|
||||
.simulatedCapacities(capacities)
|
||||
.numDataNodes(TEST_CAPACITIES.length)
|
||||
.racks(TEST_RACKS)
|
||||
.simulatedCapacities(TEST_CAPACITIES)
|
||||
.build();
|
||||
HATestUtil.setFailoverConfigurations(cluster, conf);
|
||||
try {
|
||||
cluster.waitActive();
|
||||
cluster.transitionToActive(1);
|
||||
cluster.transitionToActive(0);
|
||||
Thread.sleep(500);
|
||||
client = NameNodeProxies.createProxy(conf, FileSystem.getDefaultUri(conf),
|
||||
ClientProtocol.class).getProxy();
|
||||
long totalCapacity = TestBalancer.sum(capacities);
|
||||
// fill up the cluster to be 30% full
|
||||
long totalUsedSpace = totalCapacity * 3 / 10;
|
||||
TestBalancer.createFile(cluster, TestBalancer.filePath, totalUsedSpace
|
||||
/ numOfDatanodes, (short) numOfDatanodes, 1);
|
||||
|
||||
// start up an empty node with the same capacity and on the same rack
|
||||
cluster.startDataNodes(conf, 1, true, null, new String[] { newNodeRack },
|
||||
new long[] { newNodeCapacity });
|
||||
totalCapacity += newNodeCapacity;
|
||||
TestBalancer.waitForHeartBeat(totalUsedSpace, totalCapacity, client,
|
||||
cluster);
|
||||
Collection<URI> namenodes = DFSUtil.getInternalNsRpcUris(conf);
|
||||
assertEquals(1, namenodes.size());
|
||||
assertTrue(namenodes.contains(HATestUtil.getLogicalUri(cluster)));
|
||||
final int r = Balancer.run(namenodes, BalancerParameters.DEFAULT, conf);
|
||||
assertEquals(ExitStatus.SUCCESS.getExitCode(), r);
|
||||
TestBalancer.waitForBalancer(totalUsedSpace, totalCapacity, client,
|
||||
cluster, BalancerParameters.DEFAULT);
|
||||
doTest(conf);
|
||||
} finally {
|
||||
cluster.shutdown();
|
||||
}
|
||||
}
|
||||
|
||||
void doTest(Configuration conf) throws Exception {
|
||||
int numOfDatanodes = TEST_CAPACITIES.length;
|
||||
long totalCapacity = TestBalancer.sum(TEST_CAPACITIES);
|
||||
// fill up the cluster to be 30% full
|
||||
long totalUsedSpace = totalCapacity * 3 / 10;
|
||||
TestBalancer.createFile(cluster, TestBalancer.filePath, totalUsedSpace
|
||||
/ numOfDatanodes, (short) numOfDatanodes, 0);
|
||||
|
||||
// start up an empty node with the same capacity and on the same rack
|
||||
long newNodeCapacity = TestBalancer.CAPACITY; // new node's capacity
|
||||
String newNodeRack = TestBalancer.RACK2; // new node's rack
|
||||
cluster.startDataNodes(conf, 1, true, null, new String[] {newNodeRack},
|
||||
new long[] {newNodeCapacity});
|
||||
totalCapacity += newNodeCapacity;
|
||||
TestBalancer.waitForHeartBeat(totalUsedSpace, totalCapacity, client,
|
||||
cluster);
|
||||
Collection<URI> namenodes = DFSUtil.getInternalNsRpcUris(conf);
|
||||
assertEquals(1, namenodes.size());
|
||||
final int r = Balancer.run(namenodes, BalancerParameters.DEFAULT, conf);
|
||||
assertEquals(ExitStatus.SUCCESS.getExitCode(), r);
|
||||
TestBalancer.waitForBalancer(totalUsedSpace, totalCapacity, client,
|
||||
cluster, BalancerParameters.DEFAULT);
|
||||
}
|
||||
|
||||
/**
|
||||
* Test Balancer with ObserverNodes.
|
||||
*/
|
||||
@Test(timeout = 60000)
|
||||
public void testBalancerWithObserver() throws Exception {
|
||||
final Configuration conf = new HdfsConfiguration();
|
||||
TestBalancer.initConf(conf);
|
||||
|
||||
MiniQJMHACluster qjmhaCluster = null;
|
||||
try {
|
||||
qjmhaCluster = HATestUtil.setUpObserverCluster(conf, 2,
|
||||
TEST_CAPACITIES.length, true, TEST_CAPACITIES, TEST_RACKS);
|
||||
cluster = qjmhaCluster.getDfsCluster();
|
||||
cluster.waitClusterUp();
|
||||
cluster.waitActive();
|
||||
|
||||
DistributedFileSystem dfs = HATestUtil.configureObserverReadFs(
|
||||
cluster, conf, ObserverReadProxyProvider.class, true);
|
||||
client = dfs.getClient().getNamenode();
|
||||
|
||||
doTest(conf);
|
||||
} finally {
|
||||
if (qjmhaCluster != null) {
|
||||
qjmhaCluster.shutdown();
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -210,6 +210,14 @@ public static boolean isSentToAnyOfNameNodes(
|
|||
public static MiniQJMHACluster setUpObserverCluster(
|
||||
Configuration conf, int numObservers, int numDataNodes,
|
||||
boolean fastTailing) throws IOException {
|
||||
return setUpObserverCluster(conf, numObservers, numDataNodes,
|
||||
fastTailing, null, null);
|
||||
}
|
||||
|
||||
public static MiniQJMHACluster setUpObserverCluster(
|
||||
Configuration conf, int numObservers, int numDataNodes,
|
||||
boolean fastTailing, long[] simulatedCapacities,
|
||||
String[] racks) throws IOException {
|
||||
// disable block scanner
|
||||
conf.setInt(DFSConfigKeys.DFS_DATANODE_SCAN_PERIOD_HOURS_KEY, -1);
|
||||
|
||||
|
|
@ -225,7 +233,9 @@ public static MiniQJMHACluster setUpObserverCluster(
|
|||
|
||||
MiniQJMHACluster.Builder qjmBuilder = new MiniQJMHACluster.Builder(conf)
|
||||
.setNumNameNodes(2 + numObservers);
|
||||
qjmBuilder.getDfsBuilder().numDataNodes(numDataNodes);
|
||||
qjmBuilder.getDfsBuilder().numDataNodes(numDataNodes)
|
||||
.simulatedCapacities(simulatedCapacities)
|
||||
.racks(racks);
|
||||
MiniQJMHACluster qjmhaCluster = qjmBuilder.build();
|
||||
MiniDFSCluster dfsCluster = qjmhaCluster.getDfsCluster();
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue