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HDFS-16834: Removes request stateID consistency constraint between clients in different connection pools. (#5121)

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Reviewed-by: Tao Li <tomscut@apache.org>
Signed-off-by: Zander Xu <zanderxu@apache.org>
This commit is contained in:
Simbarashe Dzinamarira 2022-11-10 23:26:31 -08:00 committed by GitHub
parent b398a7b003
commit 552ee44eba
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 54 additions and 2 deletions
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3
hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/PoolAlignmentContext.java
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@ -71,8 +71,7 @@ public void receiveResponseState(RpcHeaderProtos.RpcResponseHeaderProto header)
*/
@Override
public void updateRequestState(RpcHeaderProtos.RpcRequestHeaderProto.Builder header) {
long maxStateId = Long.max(poolLocalStateId.get(), sharedGlobalStateId.get());
header.setStateId(maxStateId);
header.setStateId(poolLocalStateId.get());
}
/**

53
hadoop-hdfs-project/hadoop-hdfs-rbf/src/test/java/org/apache/hadoop/hdfs/server/federation/router/TestPoolAlignmentContext.java Normal file
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@ -0,0 +1,53 @@
/**
* 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.hdfs.server.federation.router;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.ipc.protobuf.RpcHeaderProtos.RpcRequestHeaderProto;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
public class TestPoolAlignmentContext {
@Test
public void testNamenodeRequestsOnlyUsePoolLocalStateID() {
RouterStateIdContext routerStateIdContext = new RouterStateIdContext(new Configuration());
String namespaceId = "namespace1";
routerStateIdContext.getNamespaceStateId(namespaceId).accumulate(20L);
PoolAlignmentContext poolContext1 = new PoolAlignmentContext(routerStateIdContext, namespaceId);
PoolAlignmentContext poolContext2 = new PoolAlignmentContext(routerStateIdContext, namespaceId);
assertRequestHeaderStateId(poolContext1, Long.MIN_VALUE);
assertRequestHeaderStateId(poolContext2, Long.MIN_VALUE);
Assertions.assertEquals(20L, poolContext1.getLastSeenStateId());
Assertions.assertEquals(20L, poolContext2.getLastSeenStateId());
poolContext1.advanceClientStateId(30L);
assertRequestHeaderStateId(poolContext1, 30L);
assertRequestHeaderStateId(poolContext2, Long.MIN_VALUE);
Assertions.assertEquals(20L, poolContext1.getLastSeenStateId());
Assertions.assertEquals(20L, poolContext2.getLastSeenStateId());
}
private void assertRequestHeaderStateId(PoolAlignmentContext poolAlignmentContext,
Long expectedValue) {
RpcRequestHeaderProto.Builder builder = RpcRequestHeaderProto.newBuilder();
poolAlignmentContext.updateRequestState(builder);
Assertions.assertEquals(expectedValue, builder.getStateId());
}
}