HBASE-21783 Support exceed user/table/ns throttle quota if region server has available quota

Signed-off-by: Guanghao Zhang <zghao@apache.org>
This commit is contained in:
meiyi 2019-02-21 09:28:49 +08:00 committed by Guanghao Zhang
parent 761aef6d9d
commit 9e45752d6e
29 changed files with 703 additions and 38 deletions

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@ -2773,6 +2773,14 @@ public interface Admin extends Abortable, Closeable {
*/
boolean isRpcThrottleEnabled() throws IOException;
/**
* Switch the exceed throttle quota. If enabled, user/table/namespace throttle quota
* can be exceeded if region server has availble quota.
* @param enable Set to <code>true</code> to enable, <code>false</code> to disable.
* @return Previous exceed throttle enabled value
*/
boolean exceedThrottleQuotaSwitch(final boolean enable) throws IOException;
/**
* Fetches the table sizes on the filesystem as tracked by the HBase Master.
*/

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@ -1270,6 +1270,14 @@ public interface AsyncAdmin {
*/
CompletableFuture<Boolean> isRpcThrottleEnabled();
/**
* Switch the exceed throttle quota. If enabled, user/table/namespace throttle quota
* can be exceeded if region server has availble quota.
* @param enable Set to <code>true</code> to enable, <code>false</code> to disable.
* @return Previous exceed throttle enabled value
*/
CompletableFuture<Boolean> exceedThrottleQuotaSwitch(boolean enable);
/**
* Fetches the table sizes on the filesystem as tracked by the HBase Master.
*/

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@ -763,6 +763,11 @@ class AsyncHBaseAdmin implements AsyncAdmin {
return wrap(rawAdmin.isRpcThrottleEnabled());
}
@Override
public CompletableFuture<Boolean> exceedThrottleQuotaSwitch(boolean enable) {
return wrap(rawAdmin.exceedThrottleQuotaSwitch(enable));
}
@Override
public CompletableFuture<Map<TableName, Long>> getSpaceQuotaTableSizes() {
return wrap(rawAdmin.getSpaceQuotaTableSizes());

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@ -115,6 +115,8 @@ import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SecurityCa
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SecurityCapabilitiesResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SetNormalizerRunningRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SetNormalizerRunningResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SwitchExceedThrottleQuotaRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SwitchExceedThrottleQuotaResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SwitchRpcThrottleRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SwitchRpcThrottleResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.GetQuotaStatesRequest;
@ -1767,6 +1769,12 @@ class ConnectionImplementation implements ClusterConnection, Closeable {
return stub.isRpcThrottleEnabled(controller, request);
}
@Override
public SwitchExceedThrottleQuotaResponse switchExceedThrottleQuota(RpcController controller,
SwitchExceedThrottleQuotaRequest request) throws ServiceException {
return stub.switchExceedThrottleQuota(controller, request);
}
@Override
public AccessControlProtos.GrantResponse grant(RpcController controller,
AccessControlProtos.GrantRequest request) throws ServiceException {

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@ -4365,6 +4365,20 @@ public class HBaseAdmin implements Admin {
});
}
@Override
public boolean exceedThrottleQuotaSwitch(final boolean enable) throws IOException {
return executeCallable(new MasterCallable<Boolean>(getConnection(), getRpcControllerFactory()) {
@Override
protected Boolean rpcCall() throws Exception {
return this.master
.switchExceedThrottleQuota(getRpcController(),
MasterProtos.SwitchExceedThrottleQuotaRequest.newBuilder()
.setExceedThrottleQuotaEnabled(enable).build())
.getPreviousExceedThrottleQuotaEnabled();
}
});
}
@Override
public Map<TableName, Long> getSpaceQuotaTableSizes() throws IOException {
return executeCallable(

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@ -256,6 +256,8 @@ import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SplitTable
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SplitTableRegionResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.StopMasterRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.StopMasterResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SwitchExceedThrottleQuotaRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SwitchExceedThrottleQuotaResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SwitchRpcThrottleRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SwitchRpcThrottleResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.TruncateTableRequest;
@ -3670,6 +3672,20 @@ class RawAsyncHBaseAdmin implements AsyncAdmin {
return future;
}
@Override
public CompletableFuture<Boolean> exceedThrottleQuotaSwitch(boolean enable) {
CompletableFuture<Boolean> future = this.<Boolean> newMasterCaller()
.action((controller, stub) -> this
.<SwitchExceedThrottleQuotaRequest, SwitchExceedThrottleQuotaResponse, Boolean> call(
controller, stub,
SwitchExceedThrottleQuotaRequest.newBuilder().setExceedThrottleQuotaEnabled(enable)
.build(),
(s, c, req, done) -> s.switchExceedThrottleQuota(c, req, done),
resp -> resp.getPreviousExceedThrottleQuotaEnabled()))
.call();
return future;
}
@Override
public CompletableFuture<Map<TableName, Long>> getSpaceQuotaTableSizes() {
return this.<Map<TableName, Long>> newMasterCaller().action((controller, stub) -> this

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@ -153,6 +153,8 @@ import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SplitTable
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SplitTableRegionResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.StopMasterRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.StopMasterResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SwitchExceedThrottleQuotaRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SwitchExceedThrottleQuotaResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SwitchRpcThrottleRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SwitchRpcThrottleResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.TruncateTableRequest;
@ -660,6 +662,12 @@ public class ShortCircuitMasterConnection implements MasterKeepAliveConnection {
return stub.isRpcThrottleEnabled(controller, request);
}
@Override
public SwitchExceedThrottleQuotaResponse switchExceedThrottleQuota(RpcController controller,
SwitchExceedThrottleQuotaRequest request) throws ServiceException {
return stub.switchExceedThrottleQuota(controller, request);
}
@Override
public GrantResponse grant(RpcController controller, GrantRequest request)
throws ServiceException {

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@ -98,6 +98,8 @@ public class QuotaTableUtil {
protected static final byte[] QUOTA_TABLE_ROW_KEY_PREFIX = Bytes.toBytes("t.");
protected static final byte[] QUOTA_NAMESPACE_ROW_KEY_PREFIX = Bytes.toBytes("n.");
protected static final byte[] QUOTA_REGION_SERVER_ROW_KEY_PREFIX = Bytes.toBytes("r.");
private static final byte[] QUOTA_EXCEED_THROTTLE_QUOTA_ROW_KEY =
Bytes.toBytes("exceedThrottleQuota");
/*
* TODO: Setting specified region server quota isn't supported currently and the row key "r.all"
@ -357,6 +359,11 @@ public class QuotaTableUtil {
parseUserResult(result, visitor);
} else if (isRegionServerRowKey(row)) {
parseRegionServerResult(result, visitor);
} else if (isExceedThrottleQuotaRowKey(row)) {
// skip exceed throttle quota row key
if (LOG.isDebugEnabled()) {
LOG.debug("Skip exceedThrottleQuota row-key when parse quota result");
}
} else {
LOG.warn("unexpected row-key: " + Bytes.toString(row));
}
@ -696,6 +703,10 @@ public class QuotaTableUtil {
return getRowKeyRegEx(QUOTA_REGION_SERVER_ROW_KEY_PREFIX, regionServer);
}
protected static byte[] getExceedThrottleQuotaRowKey() {
return QUOTA_EXCEED_THROTTLE_QUOTA_ROW_KEY;
}
private static String getRowKeyRegEx(final byte[] prefix, final String regex) {
return '^' + Pattern.quote(Bytes.toString(prefix)) + regex + '$';
}
@ -722,6 +733,10 @@ public class QuotaTableUtil {
return Bytes.startsWith(key, QUOTA_REGION_SERVER_ROW_KEY_PREFIX);
}
private static boolean isExceedThrottleQuotaRowKey(final byte[] key) {
return Bytes.equals(key, QUOTA_EXCEED_THROTTLE_QUOTA_ROW_KEY);
}
protected static String getRegionServerFromRowKey(final byte[] key) {
return Bytes.toString(key, QUOTA_REGION_SERVER_ROW_KEY_PREFIX.length);
}

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@ -652,6 +652,14 @@ message IsRpcThrottleEnabledResponse {
required bool rpc_throttle_enabled = 1;
}
message SwitchExceedThrottleQuotaRequest {
required bool exceed_throttle_quota_enabled = 1;
}
message SwitchExceedThrottleQuotaResponse {
required bool previous_exceed_throttle_quota_enabled = 1;
}
service MasterService {
/** Used by the client to get the number of regions that have received the updated schema */
rpc GetSchemaAlterStatus(GetSchemaAlterStatusRequest)
@ -1012,6 +1020,10 @@ service MasterService {
rpc IsRpcThrottleEnabled (IsRpcThrottleEnabledRequest)
returns (IsRpcThrottleEnabledResponse);
/** Turn the exceed throttle quota on or off */
rpc SwitchExceedThrottleQuota (SwitchExceedThrottleQuotaRequest)
returns (SwitchExceedThrottleQuotaResponse);
rpc Grant(GrantRequest) returns (GrantResponse);
rpc Revoke(RevokeRequest) returns (RevokeResponse);

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@ -1488,6 +1488,26 @@ public interface MasterObserver {
final boolean rpcThrottleEnabled) throws IOException {
}
/**
* Called before switching exceed throttle quota state.
* @param ctx the coprocessor instance's environment
* @param enable the exceed throttle quota value
*/
default void preSwitchExceedThrottleQuota(final ObserverContext<MasterCoprocessorEnvironment> ctx,
final boolean enable) throws IOException {
}
/**
* Called after switching exceed throttle quota state.
* @param ctx the coprocessor instance's environment
* @param oldValue the previously exceed throttle quota value
* @param newValue the newly exceed throttle quota value
*/
default void postSwitchExceedThrottleQuota(
final ObserverContext<MasterCoprocessorEnvironment> ctx, final boolean oldValue,
final boolean newValue) throws IOException {
}
/**
* Called before granting user permissions.
* @param ctx the coprocessor instance's environment

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@ -1742,6 +1742,25 @@ public class MasterCoprocessorHost
});
}
public void preSwitchExceedThrottleQuota(boolean enable) throws IOException {
execOperation(coprocEnvironments.isEmpty() ? null : new MasterObserverOperation() {
@Override
public void call(MasterObserver observer) throws IOException {
observer.preSwitchExceedThrottleQuota(this, enable);
}
});
}
public void postSwitchExceedThrottleQuota(final boolean oldValue, final boolean newValue)
throws IOException {
execOperation(coprocEnvironments.isEmpty() ? null : new MasterObserverOperation() {
@Override
public void call(MasterObserver observer) throws IOException {
observer.postSwitchExceedThrottleQuota(this, oldValue, newValue);
}
});
}
public void preGrant(UserPermission userPermission, boolean mergeExistingPermissions)
throws IOException {
execOperation(coprocEnvironments.isEmpty() ? null : new MasterObserverOperation() {

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@ -266,6 +266,8 @@ import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SplitTable
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SplitTableRegionResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.StopMasterRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.StopMasterResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SwitchExceedThrottleQuotaRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SwitchExceedThrottleQuotaResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SwitchRpcThrottleRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SwitchRpcThrottleResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.TruncateTableRequest;
@ -2476,6 +2478,17 @@ public class MasterRpcServices extends RSRpcServices
}
}
@Override
public SwitchExceedThrottleQuotaResponse switchExceedThrottleQuota(RpcController controller,
SwitchExceedThrottleQuotaRequest request) throws ServiceException {
try {
master.checkInitialized();
return master.getMasterQuotaManager().switchExceedThrottleQuota(request);
} catch (Exception e) {
throw new ServiceException(e);
}
}
@Override
public GrantResponse grant(RpcController controller, GrantRequest request)
throws ServiceException {

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@ -34,17 +34,27 @@ import org.apache.hadoop.hbase.client.Result;
public class DefaultOperationQuota implements OperationQuota {
private static final Logger LOG = LoggerFactory.getLogger(DefaultOperationQuota.class);
private final List<QuotaLimiter> limiters;
protected final List<QuotaLimiter> limiters;
private final long writeCapacityUnit;
private final long readCapacityUnit;
private long writeAvailable = 0;
private long readAvailable = 0;
private long writeConsumed = 0;
private long readConsumed = 0;
private long writeCapacityUnitConsumed = 0;
private long readCapacityUnitConsumed = 0;
// the available read/write quota size in bytes
protected long writeAvailable = 0;
protected long readAvailable = 0;
// estimated quota
protected long writeConsumed = 0;
protected long readConsumed = 0;
protected long writeCapacityUnitConsumed = 0;
protected long readCapacityUnitConsumed = 0;
// real consumed quota
private final long[] operationSize;
// difference between estimated quota and real consumed quota used in close method
// to adjust quota amount. Also used by ExceedOperationQuota which is a subclass
// of DefaultOperationQuota
protected long writeDiff = 0;
protected long readDiff = 0;
protected long writeCapacityUnitDiff = 0;
protected long readCapacityUnitDiff = 0;
public DefaultOperationQuota(final Configuration conf, final QuotaLimiter... limiters) {
this(conf, Arrays.asList(limiters));
@ -69,12 +79,7 @@ public class DefaultOperationQuota implements OperationQuota {
@Override
public void checkQuota(int numWrites, int numReads, int numScans) throws RpcThrottlingException {
writeConsumed = estimateConsume(OperationType.MUTATE, numWrites, 100);
readConsumed = estimateConsume(OperationType.GET, numReads, 100);
readConsumed += estimateConsume(OperationType.SCAN, numScans, 1000);
writeCapacityUnitConsumed = calculateWriteCapacityUnit(writeConsumed);
readCapacityUnitConsumed = calculateReadCapacityUnit(readConsumed);
updateEstimateConsumeQuota(numWrites, numReads, numScans);
writeAvailable = Long.MAX_VALUE;
readAvailable = Long.MAX_VALUE;
@ -96,12 +101,12 @@ public class DefaultOperationQuota implements OperationQuota {
@Override
public void close() {
// Adjust the quota consumed for the specified operation
long writeDiff = operationSize[OperationType.MUTATE.ordinal()] - writeConsumed;
long readDiff = operationSize[OperationType.GET.ordinal()]
writeDiff = operationSize[OperationType.MUTATE.ordinal()] - writeConsumed;
readDiff = operationSize[OperationType.GET.ordinal()]
+ operationSize[OperationType.SCAN.ordinal()] - readConsumed;
long writeCapacityUnitDiff = calculateWriteCapacityUnitDiff(
writeCapacityUnitDiff = calculateWriteCapacityUnitDiff(
operationSize[OperationType.MUTATE.ordinal()], writeConsumed);
long readCapacityUnitDiff = calculateReadCapacityUnitDiff(
readCapacityUnitDiff = calculateReadCapacityUnitDiff(
operationSize[OperationType.GET.ordinal()] + operationSize[OperationType.SCAN.ordinal()],
readConsumed);
@ -140,6 +145,21 @@ public class DefaultOperationQuota implements OperationQuota {
operationSize[OperationType.MUTATE.ordinal()] += QuotaUtil.calculateMutationSize(mutation);
}
/**
* Update estimate quota(read/write size/capacityUnits) which will be consumed
* @param numWrites the number of write requests
* @param numReads the number of read requests
* @param numScans the number of scan requests
*/
protected void updateEstimateConsumeQuota(int numWrites, int numReads, int numScans) {
writeConsumed = estimateConsume(OperationType.MUTATE, numWrites, 100);
readConsumed = estimateConsume(OperationType.GET, numReads, 100);
readConsumed += estimateConsume(OperationType.SCAN, numScans, 1000);
writeCapacityUnitConsumed = calculateWriteCapacityUnit(writeConsumed);
readCapacityUnitConsumed = calculateReadCapacityUnit(readConsumed);
}
private long estimateConsume(final OperationType type, int numReqs, long avgSize) {
if (numReqs > 0) {
return avgSize * numReqs;

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@ -0,0 +1,102 @@
/**
* 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
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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.hbase.quotas;
import org.apache.hadoop.conf.Configuration;
import org.apache.yetus.audience.InterfaceAudience;
import org.apache.yetus.audience.InterfaceStability;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/*
* Internal class used to check and consume quota if exceed throttle quota is enabled. Exceed
* throttle quota means, user can over consume user/namespace/table quota if region server has
* additional available quota because other users don't consume at the same time.
*
* There are some limits when enable exceed throttle quota:
* 1. Must set at least one read and one write region server throttle quota;
* 2. All region server throttle quotas must be in seconds time unit. Because once previous requests
* exceed their quota and consume region server quota, quota in other time units may be refilled in
* a long time, this may affect later requests.
*/
@InterfaceAudience.Private
@InterfaceStability.Evolving
public class ExceedOperationQuota extends DefaultOperationQuota {
private static final Logger LOG = LoggerFactory.getLogger(ExceedOperationQuota.class);
private QuotaLimiter regionServerLimiter;
public ExceedOperationQuota(final Configuration conf, QuotaLimiter regionServerLimiter,
final QuotaLimiter... limiters) {
super(conf, limiters);
this.regionServerLimiter = regionServerLimiter;
}
@Override
public void checkQuota(int numWrites, int numReads, int numScans) throws RpcThrottlingException {
if (regionServerLimiter.isBypass()) {
// If region server limiter is bypass, which means no region server quota is set, check and
// throttle by all other quotas. In this condition, exceed throttle quota will not work.
LOG.warn("Exceed throttle quota is enabled but no region server quotas found");
super.checkQuota(numWrites, numReads, numScans);
} else {
// 1. Update estimate quota which will be consumed
updateEstimateConsumeQuota(numWrites, numReads, numScans);
// 2. Check if region server limiter is enough. If not, throw RpcThrottlingException.
regionServerLimiter.checkQuota(numWrites, writeConsumed, numReads + numScans, readConsumed,
writeCapacityUnitConsumed, readCapacityUnitConsumed);
// 3. Check if other limiters are enough. If not, exceed other limiters because region server
// limiter is enough.
boolean exceed = false;
try {
super.checkQuota(numWrites, numReads, numScans);
} catch (RpcThrottlingException e) {
exceed = true;
if (LOG.isDebugEnabled()) {
LOG.debug("Read/Write requests num exceeds quota: writes:{} reads:{} scan:{}, "
+ "try use region server quota",
numWrites, numReads, numScans);
}
}
// 4. Region server limiter is enough and grab estimated consume quota.
readAvailable = Math.max(readAvailable, regionServerLimiter.getReadAvailable());
writeAvailable = Math.max(writeAvailable, regionServerLimiter.getWriteAvailable());
regionServerLimiter.grabQuota(numWrites, writeConsumed, numReads + numScans, readConsumed,
writeCapacityUnitConsumed, writeCapacityUnitConsumed);
if (exceed) {
// 5. Other quota limiter is exceeded and has not been grabbed (because throw
// RpcThrottlingException in Step 3), so grab it.
for (final QuotaLimiter limiter : limiters) {
limiter.grabQuota(numWrites, writeConsumed, numReads + numScans, readConsumed,
writeCapacityUnitConsumed, writeCapacityUnitConsumed);
}
}
}
}
@Override
public void close() {
super.close();
if (writeDiff != 0) {
regionServerLimiter.consumeWrite(writeDiff, writeCapacityUnitDiff);
}
if (readDiff != 0) {
regionServerLimiter.consumeRead(readDiff, readCapacityUnitDiff);
}
}
}

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@ -50,6 +50,8 @@ import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.IsRpcThrot
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.IsRpcThrottleEnabledResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SetQuotaRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SetQuotaResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SwitchExceedThrottleQuotaRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SwitchExceedThrottleQuotaResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SwitchRpcThrottleRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SwitchRpcThrottleResponse;
@ -291,7 +293,7 @@ public class MasterQuotaManager implements RegionStateListener {
@Override
public void update(GlobalQuotaSettingsImpl quotaPojo) throws IOException {
QuotaUtil.addNamespaceQuota(masterServices.getConnection(), namespace,
((GlobalQuotaSettingsImpl) quotaPojo).toQuotas());
quotaPojo.toQuotas());
}
@Override
public void delete() throws IOException {
@ -320,7 +322,7 @@ public class MasterQuotaManager implements RegionStateListener {
@Override
public void update(GlobalQuotaSettingsImpl quotaPojo) throws IOException {
QuotaUtil.addRegionServerQuota(masterServices.getConnection(), regionServer,
((GlobalQuotaSettingsImpl) quotaPojo).toQuotas());
quotaPojo.toQuotas());
}
@Override
@ -395,6 +397,33 @@ public class MasterQuotaManager implements RegionStateListener {
}
}
public SwitchExceedThrottleQuotaResponse
switchExceedThrottleQuota(SwitchExceedThrottleQuotaRequest request) throws IOException {
boolean enabled = request.getExceedThrottleQuotaEnabled();
if (initialized) {
masterServices.getMasterCoprocessorHost().preSwitchExceedThrottleQuota(enabled);
boolean previousEnabled =
QuotaUtil.isExceedThrottleQuotaEnabled(masterServices.getConnection());
if (previousEnabled == enabled) {
LOG.warn("Skip switch exceed throttle quota to {} because it's the same with old value",
enabled);
} else {
QuotaUtil.switchExceedThrottleQuota(masterServices.getConnection(), enabled);
LOG.info("{} switch exceed throttle quota from {} to {}",
masterServices.getClientIdAuditPrefix(), previousEnabled, enabled);
}
SwitchExceedThrottleQuotaResponse response = SwitchExceedThrottleQuotaResponse.newBuilder()
.setPreviousExceedThrottleQuotaEnabled(previousEnabled).build();
masterServices.getMasterCoprocessorHost().postSwitchExceedThrottleQuota(previousEnabled,
enabled);
return response;
} else {
LOG.warn("Skip switch exceed throttle quota to {} because quota is disabled", enabled);
return SwitchExceedThrottleQuotaResponse.newBuilder()
.setPreviousExceedThrottleQuotaEnabled(false).build();
}
}
private void setQuota(final SetQuotaRequest req, final SetQuotaOperations quotaOps)
throws IOException, InterruptedException {
if (req.hasRemoveAll() && req.getRemoveAll() == true) {

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@ -71,6 +71,7 @@ public class QuotaCache implements Stoppable {
private final ConcurrentHashMap<String, UserQuotaState> userQuotaCache = new ConcurrentHashMap<>();
private final ConcurrentHashMap<String, QuotaState> regionServerQuotaCache =
new ConcurrentHashMap<>();
private volatile boolean exceedThrottleQuotaEnabled = false;
private final RegionServerServices rsServices;
private QuotaRefresherChore refreshChore;
@ -158,6 +159,10 @@ public class QuotaCache implements Stoppable {
return getQuotaState(this.regionServerQuotaCache, regionServer).getGlobalLimiter();
}
protected boolean isExceedThrottleQuotaEnabled() {
return exceedThrottleQuotaEnabled;
}
/**
* Returns the QuotaState requested. If the quota info is not in cache an empty one will be
* returned and the quota request will be enqueued for the next cache refresh.
@ -227,6 +232,7 @@ public class QuotaCache implements Stoppable {
fetchTableQuotaState();
fetchUserQuotaState();
fetchRegionServerQuotaState();
fetchExceedThrottleQuota();
lastUpdate = EnvironmentEdgeManager.currentTime();
}
@ -292,6 +298,15 @@ public class QuotaCache implements Stoppable {
});
}
private void fetchExceedThrottleQuota() {
try {
QuotaCache.this.exceedThrottleQuotaEnabled =
QuotaUtil.isExceedThrottleQuotaEnabled(rsServices.getConnection());
} catch (IOException e) {
LOG.warn("Unable to read if exceed throttle quota enabled from quota table", e);
}
}
private <K, V extends QuotaState> void fetch(final String type,
final ConcurrentHashMap<K, V> quotasMap, final Fetcher<K, V> fetcher) {
long now = EnvironmentEdgeManager.currentTime();

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@ -19,12 +19,14 @@
package org.apache.hadoop.hbase.quotas;
import java.io.IOException;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.Cell;
import org.apache.hadoop.hbase.DoNotRetryIOException;
import org.apache.hadoop.hbase.HColumnDescriptor;
import org.apache.hadoop.hbase.HConstants;
import org.apache.hadoop.hbase.HTableDescriptor;
@ -39,12 +41,16 @@ import org.apache.hadoop.hbase.client.Table;
import org.apache.hadoop.hbase.regionserver.BloomType;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;
import org.apache.hadoop.hbase.util.Pair;
import org.apache.yetus.audience.InterfaceAudience;
import org.apache.yetus.audience.InterfaceStability;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.TimeUnit;
import org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.Quotas;
import org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.Throttle;
import org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.TimedQuota;
/**
* Helper class to interact with the quota table
@ -153,6 +159,86 @@ public class QuotaUtil extends QuotaTableUtil {
deleteQuotas(connection, getRegionServerRowKey(regionServer));
}
protected static void switchExceedThrottleQuota(final Connection connection,
boolean exceedThrottleQuotaEnabled) throws IOException {
if (exceedThrottleQuotaEnabled) {
checkRSQuotaToEnableExceedThrottle(
getRegionServerQuota(connection, QuotaTableUtil.QUOTA_REGION_SERVER_ROW_KEY));
}
Put put = new Put(getExceedThrottleQuotaRowKey());
put.addColumn(QUOTA_FAMILY_INFO, QUOTA_QUALIFIER_SETTINGS,
Bytes.toBytes(exceedThrottleQuotaEnabled));
doPut(connection, put);
}
private static void checkRSQuotaToEnableExceedThrottle(Quotas quotas) throws IOException {
if (quotas != null && quotas.hasThrottle()) {
Throttle throttle = quotas.getThrottle();
// If enable exceed throttle quota, make sure that there are at least one read(req/read +
// num/size/cu) and one write(req/write + num/size/cu) region server throttle quotas.
boolean hasReadQuota = false;
boolean hasWriteQuota = false;
if (throttle.hasReqNum() || throttle.hasReqSize() || throttle.hasReqCapacityUnit()) {
hasReadQuota = true;
hasWriteQuota = true;
}
if (!hasReadQuota
&& (throttle.hasReadNum() || throttle.hasReadSize() || throttle.hasReadCapacityUnit())) {
hasReadQuota = true;
}
if (!hasReadQuota) {
throw new DoNotRetryIOException(
"Please set at least one read region server quota before enable exceed throttle quota");
}
if (!hasWriteQuota && (throttle.hasWriteNum() || throttle.hasWriteSize()
|| throttle.hasWriteCapacityUnit())) {
hasWriteQuota = true;
}
if (!hasWriteQuota) {
throw new DoNotRetryIOException("Please set at least one write region server quota "
+ "before enable exceed throttle quota");
}
// If enable exceed throttle quota, make sure that region server throttle quotas are in
// seconds time unit. Because once previous requests exceed their quota and consume region
// server quota, quota in other time units may be refilled in a long time, this may affect
// later requests.
List<Pair<Boolean, TimedQuota>> list =
Arrays.asList(Pair.newPair(throttle.hasReqNum(), throttle.getReqNum()),
Pair.newPair(throttle.hasReadNum(), throttle.getReadNum()),
Pair.newPair(throttle.hasWriteNum(), throttle.getWriteNum()),
Pair.newPair(throttle.hasReqSize(), throttle.getReqSize()),
Pair.newPair(throttle.hasReadSize(), throttle.getReadSize()),
Pair.newPair(throttle.hasWriteSize(), throttle.getWriteSize()),
Pair.newPair(throttle.hasReqCapacityUnit(), throttle.getReqCapacityUnit()),
Pair.newPair(throttle.hasReadCapacityUnit(), throttle.getReadCapacityUnit()),
Pair.newPair(throttle.hasWriteCapacityUnit(), throttle.getWriteCapacityUnit()));
for (Pair<Boolean, TimedQuota> pair : list) {
if (pair.getFirst()) {
if (pair.getSecond().getTimeUnit() != TimeUnit.SECONDS) {
throw new DoNotRetryIOException("All region server quota must be "
+ "in seconds time unit if enable exceed throttle quota");
}
}
}
} else {
// If enable exceed throttle quota, make sure that region server quota is already set
throw new DoNotRetryIOException(
"Please set region server quota before enable exceed throttle quota");
}
}
protected static boolean isExceedThrottleQuotaEnabled(final Connection connection)
throws IOException {
Get get = new Get(getExceedThrottleQuotaRowKey());
get.addColumn(QUOTA_FAMILY_INFO, QUOTA_QUALIFIER_SETTINGS);
Result result = doGet(connection, get);
if (result.isEmpty()) {
return false;
}
return Bytes.toBoolean(result.getValue(QUOTA_FAMILY_INFO, QUOTA_QUALIFIER_SETTINGS));
}
private static void addQuotas(final Connection connection, final byte[] rowKey,
final Quotas data) throws IOException {
addQuotas(connection, rowKey, QUOTA_QUALIFIER_SETTINGS, data);

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@ -138,14 +138,20 @@ public class RegionServerRpcQuotaManager {
QuotaLimiter rsLimiter = quotaCache
.getRegionServerQuotaLimiter(QuotaTableUtil.QUOTA_REGION_SERVER_ROW_KEY);
useNoop &= tableLimiter.isBypass() && nsLimiter.isBypass() && rsLimiter.isBypass();
boolean exceedThrottleQuotaEnabled = quotaCache.isExceedThrottleQuotaEnabled();
if (LOG.isTraceEnabled()) {
LOG.trace("get quota for ugi=" + ugi + " table=" + table + " userLimiter=" + userLimiter
+ " tableLimiter=" + tableLimiter + " nsLimiter=" + nsLimiter + " rsLimiter="
+ rsLimiter);
+ rsLimiter + " exceedThrottleQuotaEnabled=" + exceedThrottleQuotaEnabled);
}
if (!useNoop) {
return new DefaultOperationQuota(this.rsServices.getConfiguration(), userLimiter,
tableLimiter, nsLimiter, rsLimiter);
if (exceedThrottleQuotaEnabled) {
return new ExceedOperationQuota(this.rsServices.getConfiguration(), rsLimiter,
userLimiter, tableLimiter, nsLimiter);
} else {
return new DefaultOperationQuota(this.rsServices.getConfiguration(), userLimiter,
tableLimiter, nsLimiter, rsLimiter);
}
}
}
}

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@ -2569,6 +2569,12 @@ public class AccessController implements MasterCoprocessor, RegionCoprocessor,
requirePermission(ctx, "isRpcThrottleEnabled", Action.ADMIN);
}
@Override
public void preSwitchExceedThrottleQuota(ObserverContext<MasterCoprocessorEnvironment> ctx,
boolean enable) throws IOException {
requirePermission(ctx, "switchExceedThrottleQuota", Action.ADMIN);
}
/**
* Returns the active user to which authorization checks should be applied.
* If we are in the context of an RPC call, the remote user is used,

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@ -187,6 +187,12 @@ public class TestAsyncQuotaAdminApi extends TestAsyncAdminBase {
assertEquals(true, future2.get().booleanValue());
}
@Test
public void testSwitchExceedThrottleQuota() throws Exception {
AsyncAdmin admin = ASYNC_CONN.getAdmin();
assertEquals(false, admin.exceedThrottleQuotaSwitch(false).get().booleanValue());
}
private void assertNumResults(int expected, final QuotaFilter filter) throws Exception {
assertEquals(expected, countResults(filter));
}

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@ -597,6 +597,48 @@ public class TestQuotaAdmin {
testSwitchRpcThrottle(admin, false, true);
}
@Test
public void testSwitchExceedThrottleQuota() throws IOException {
String regionServer = QuotaTableUtil.QUOTA_REGION_SERVER_ROW_KEY;
Admin admin = TEST_UTIL.getAdmin();
try {
admin.exceedThrottleQuotaSwitch(true);
fail("should not come here, because can't enable exceed throttle quota "
+ "if there is no region server quota");
} catch (IOException e) {
LOG.warn("Expected exception", e);
}
admin.setQuota(QuotaSettingsFactory.throttleRegionServer(regionServer,
ThrottleType.WRITE_NUMBER, 100, TimeUnit.SECONDS));
try {
admin.exceedThrottleQuotaSwitch(true);
fail("should not come here, because can't enable exceed throttle quota "
+ "if there is no read region server quota");
} catch (IOException e) {
LOG.warn("Expected exception", e);
}
admin.setQuota(QuotaSettingsFactory.throttleRegionServer(regionServer, ThrottleType.READ_NUMBER,
20, TimeUnit.MINUTES));
try {
admin.exceedThrottleQuotaSwitch(true);
fail("should not come here, because can't enable exceed throttle quota "
+ "because not all region server quota are in seconds time unit");
} catch (IOException e) {
LOG.warn("Expected exception", e);
}
admin.setQuota(QuotaSettingsFactory.throttleRegionServer(regionServer, ThrottleType.READ_NUMBER,
20, TimeUnit.SECONDS));
assertFalse(admin.exceedThrottleQuotaSwitch(true));
assertTrue(admin.exceedThrottleQuotaSwitch(true));
assertTrue(admin.exceedThrottleQuotaSwitch(false));
assertFalse(admin.exceedThrottleQuotaSwitch(false));
admin.setQuota(QuotaSettingsFactory.unthrottleRegionServer(regionServer));
}
private void testSwitchRpcThrottle(Admin admin, boolean oldRpcThrottle, boolean newRpcThrottle)
throws IOException {
boolean state = admin.switchRpcThrottle(newRpcThrottle);

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@ -579,20 +579,81 @@ public class TestQuotaThrottle {
// requests are throttled by table quota
admin.setQuota(QuotaSettingsFactory.throttleRegionServer(
QuotaTableUtil.QUOTA_REGION_SERVER_ROW_KEY, ThrottleType.WRITE_NUMBER, 7, TimeUnit.MINUTES));
triggerCacheRefresh(false, false, true, false, true, TABLE_NAMES[0]);
triggerTableCacheRefresh(false, TABLE_NAMES[0]);
triggerRegionServerCacheRefresh(false);
assertEquals(5, doPuts(10, tables[0]));
// requests are throttled by region server quota
admin.setQuota(QuotaSettingsFactory.throttleRegionServer(
QuotaTableUtil.QUOTA_REGION_SERVER_ROW_KEY, ThrottleType.WRITE_NUMBER, 4, TimeUnit.MINUTES));
triggerCacheRefresh(false, false, false, false, true, TABLE_NAMES[0]);
triggerRegionServerCacheRefresh(false);
assertEquals(4, doPuts(10, tables[0]));
// unthrottle
admin.setQuota(
QuotaSettingsFactory.unthrottleRegionServer(QuotaTableUtil.QUOTA_REGION_SERVER_ROW_KEY));
admin.setQuota(QuotaSettingsFactory.unthrottleTable(TABLE_NAMES[0]));
triggerCacheRefresh(true, false, true, false, true, TABLE_NAMES[0]);
triggerTableCacheRefresh(true, TABLE_NAMES[0]);
triggerRegionServerCacheRefresh(true);
}
@Test
public void testExceedThrottleQuota() throws Exception {
final Admin admin = TEST_UTIL.getAdmin();
admin.setQuota(QuotaSettingsFactory.throttleTable(TABLE_NAMES[0], ThrottleType.WRITE_NUMBER, 5,
TimeUnit.MINUTES));
triggerTableCacheRefresh(false, TABLE_NAMES[0]);
admin.setQuota(QuotaSettingsFactory.throttleRegionServer(
QuotaTableUtil.QUOTA_REGION_SERVER_ROW_KEY, ThrottleType.WRITE_NUMBER, 20, TimeUnit.SECONDS));
admin.setQuota(QuotaSettingsFactory.throttleRegionServer(
QuotaTableUtil.QUOTA_REGION_SERVER_ROW_KEY, ThrottleType.READ_NUMBER, 10, TimeUnit.SECONDS));
triggerRegionServerCacheRefresh(false);
// enable exceed throttle quota
admin.exceedThrottleQuotaSwitch(true);
// exceed table limit and allowed by region server limit
triggerExceedThrottleQuotaCacheRefresh(true);
waitMinuteQuota();
assertEquals(10, doPuts(10, tables[0]));
// exceed table limit and throttled by region server limit
waitMinuteQuota();
assertEquals(20, doPuts(25, tables[0]));
// set region server limiter is lower than table limiter
admin.setQuota(QuotaSettingsFactory.throttleRegionServer(
QuotaTableUtil.QUOTA_REGION_SERVER_ROW_KEY, ThrottleType.WRITE_NUMBER, 2, TimeUnit.SECONDS));
triggerRegionServerCacheRefresh(false);
// throttled by region server limiter
waitMinuteQuota();
assertEquals(2, doPuts(10, tables[0]));
admin.setQuota(QuotaSettingsFactory.throttleRegionServer(
QuotaTableUtil.QUOTA_REGION_SERVER_ROW_KEY, ThrottleType.WRITE_NUMBER, 20, TimeUnit.SECONDS));
triggerRegionServerCacheRefresh(false);
// disable exceed throttle quota
admin.exceedThrottleQuotaSwitch(false);
triggerExceedThrottleQuotaCacheRefresh(false);
waitMinuteQuota();
// throttled by table limit
assertEquals(5, doPuts(10, tables[0]));
// enable exceed throttle quota and unthrottle region server
admin.exceedThrottleQuotaSwitch(true);
triggerExceedThrottleQuotaCacheRefresh(true);
waitMinuteQuota();
admin.setQuota(
QuotaSettingsFactory.unthrottleRegionServer(QuotaTableUtil.QUOTA_REGION_SERVER_ROW_KEY));
triggerRegionServerCacheRefresh(true);
waitMinuteQuota();
// throttled by table limit
assertEquals(5, doPuts(10, tables[0]));
// disable exceed throttle quota
admin.exceedThrottleQuotaSwitch(false);
triggerExceedThrottleQuotaCacheRefresh(false);
// unthrottle table
admin.setQuota(QuotaSettingsFactory.unthrottleTable(TABLE_NAMES[0]));
triggerTableCacheRefresh(true, TABLE_NAMES[0]);
}
private int doPuts(int maxOps, final Table... tables) throws Exception {
@ -647,29 +708,39 @@ public class TestQuotaThrottle {
}
private void triggerUserCacheRefresh(boolean bypass, TableName... tables) throws Exception {
triggerCacheRefresh(bypass, true, false, false, false, tables);
triggerCacheRefresh(bypass, true, false, false, false, false, tables);
}
private void triggerTableCacheRefresh(boolean bypass, TableName... tables) throws Exception {
triggerCacheRefresh(bypass, false, true, false, false, tables);
triggerCacheRefresh(bypass, false, true, false, false, false, tables);
}
private void triggerNamespaceCacheRefresh(boolean bypass, TableName... tables) throws Exception {
triggerCacheRefresh(bypass, false, false, true, false, tables);
triggerCacheRefresh(bypass, false, false, true, false, false, tables);
}
private void triggerRegionServerCacheRefresh(boolean bypass) throws Exception {
triggerCacheRefresh(bypass, false, false, false, true, false);
}
private void triggerExceedThrottleQuotaCacheRefresh(boolean exceedEnabled) throws Exception {
triggerCacheRefresh(exceedEnabled, false, false, false, false, true);
}
private void triggerCacheRefresh(boolean bypass, boolean userLimiter, boolean tableLimiter,
boolean nsLimiter, boolean rsLimiter, final TableName... tables) throws Exception {
boolean nsLimiter, boolean rsLimiter, boolean exceedThrottleQuota, final TableName... tables)
throws Exception {
envEdge.incValue(2 * REFRESH_TIME);
for (RegionServerThread rst: TEST_UTIL.getMiniHBaseCluster().getRegionServerThreads()) {
RegionServerRpcQuotaManager quotaManager = rst.getRegionServer().getRegionServerRpcQuotaManager();
for (RegionServerThread rst : TEST_UTIL.getMiniHBaseCluster().getRegionServerThreads()) {
RegionServerRpcQuotaManager quotaManager =
rst.getRegionServer().getRegionServerRpcQuotaManager();
QuotaCache quotaCache = quotaManager.getQuotaCache();
quotaCache.triggerCacheRefresh();
// sleep for cache update
Thread.sleep(250);
for (TableName table: tables) {
for (TableName table : tables) {
quotaCache.getTableLimiter(table);
}
@ -677,7 +748,7 @@ public class TestQuotaThrottle {
while (!isUpdated) {
quotaCache.triggerCacheRefresh();
isUpdated = true;
for (TableName table: tables) {
for (TableName table : tables) {
boolean isBypass = true;
if (userLimiter) {
isBypass &= quotaCache.getUserLimiter(User.getCurrent().getUGI(), table).isBypass();
@ -688,17 +759,27 @@ public class TestQuotaThrottle {
if (nsLimiter) {
isBypass &= quotaCache.getNamespaceLimiter(table.getNamespaceAsString()).isBypass();
}
if (rsLimiter) {
isBypass &= quotaCache
.getRegionServerQuotaLimiter(QuotaTableUtil.QUOTA_REGION_SERVER_ROW_KEY)
.isBypass();
}
if (isBypass != bypass) {
envEdge.incValue(100);
isUpdated = false;
break;
}
}
if (rsLimiter) {
boolean rsIsBypass = quotaCache
.getRegionServerQuotaLimiter(QuotaTableUtil.QUOTA_REGION_SERVER_ROW_KEY).isBypass();
if (rsIsBypass != bypass) {
envEdge.incValue(100);
isUpdated = false;
continue;
}
}
if (exceedThrottleQuota) {
if (quotaCache.isExceedThrottleQuotaEnabled() != bypass) {
envEdge.incValue(100);
isUpdated = false;
}
}
}
LOG.debug("QuotaCache");

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@ -3499,6 +3499,20 @@ public class TestAccessController extends SecureTestUtil {
verifyDenied(action, USER_CREATE, USER_RW, USER_RO, USER_NONE, USER_OWNER);
}
@Test
public void testSwitchExceedThrottleQuota() throws Exception {
AccessTestAction action = new AccessTestAction() {
@Override
public Object run() throws Exception {
ACCESS_CONTROLLER.preSwitchExceedThrottleQuota(ObserverContextImpl.createAndPrepare(CP_ENV),
true);
return null;
}
};
verifyAllowed(action, SUPERUSER, USER_ADMIN);
verifyDenied(action, USER_CREATE, USER_RW, USER_RO, USER_NONE, USER_OWNER);
}
/*
* Validate Global User ACL
*/

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@ -268,6 +268,10 @@ module Hbase
@admin.switchRpcThrottle(java.lang.Boolean.valueOf(enabled))
end
def switch_exceed_throttle_quota(enabled)
@admin.exceedThrottleQuotaSwitch(java.lang.Boolean.valueOf(enabled))
end
def _parse_size(str_limit)
str_limit = str_limit.downcase
match = /^(\d+)([bkmgtp%]?)$/.match(str_limit)

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@ -441,6 +441,8 @@ Shell.load_command_group(
list_snapshot_sizes
enable_rpc_throttle
disable_rpc_throttle
enable_exceed_throttle_quota
disable_exceed_throttle_quota
]
)

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@ -0,0 +1,40 @@
#
#
# 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
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# 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.
#
module Shell
module Commands
class DisableExceedThrottleQuota < Command
def help
<<-EOF
Disable exceed throttle quota. Returns previous exceed throttle quota enabled value.
NOTE: if quota is not enabled, this will not work and always return false.
Examples:
hbase> disable_exceed_throttle_quota
EOF
end
def command
prev_state = quotas_admin.switch_exceed_throttle_quota(false) ? 'true' : 'false'
formatter.row(["Previous exceed throttle quota enabled : #{prev_state}"])
prev_state
end
end
end
end

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@ -0,0 +1,50 @@
#
#
# 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
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# 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.
#
module Shell
module Commands
class EnableExceedThrottleQuota < Command
def help
<<-EOF
Enable exceed throttle quota. Returns previous exceed throttle quota enabled value.
NOTE: if quota is not enabled, this will not work and always return false.
If enabled, allow requests exceed user/table/namespace throttle quotas when region
server has available quota.
There are two limits if enable exceed throttle quota. First, please set region server
quota. Second, please make sure that all region server throttle quotas are in seconds
time unit, because once previous requests exceed their quota and consume region server
quota, quota in other time units may be refilled in a long time, which may affect later
requests.
Examples:
hbase> enable_exceed_throttle_quota
EOF
end
def command
prev_state = quotas_admin.switch_exceed_throttle_quota(true) ? 'true' : 'false'
formatter.row(["Previous exceed throttle quota enabled : #{prev_state}"])
prev_state
end
end
end
end

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@ -272,6 +272,16 @@ module Hbase
output = capture_stdout{ command(:list_quotas) }
assert(output.include?('0 row(s)'))
end
define_test 'switch exceed throttle quota' do
command(:set_quota, TYPE => THROTTLE, REGIONSERVER => 'all', LIMIT => '1CU/sec')
output = capture_stdout { command(:enable_exceed_throttle_quota) }
assert(output.include?('Previous exceed throttle quota enabled : false'))
output = capture_stdout { command(:disable_exceed_throttle_quota) }
assert(output.include?('Previous exceed throttle quota enabled : true'))
command(:set_quota, TYPE => THROTTLE, REGIONSERVER => 'all', LIMIT => NONE)
end
end
# rubocop:enable Metrics/ClassLength
end

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@ -511,6 +511,12 @@ public class ThriftAdmin implements Admin {
"isRpcThrottleEnabled by pattern not supported in ThriftAdmin");
}
@Override
public boolean exceedThrottleQuotaSwitch(boolean enable) throws IOException {
throw new NotImplementedException(
"exceedThrottleQuotaSwitch by pattern not supported in ThriftAdmin");
}
@Override
public HTableDescriptor[] disableTables(String regex) throws IOException {
throw new NotImplementedException("disableTables by pattern not supported in ThriftAdmin");