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HADOOP-15253. Should update maxQueueSize when refresh call queue. Contributed by Tao Jie.

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This commit is contained in:
Konstantin V Shvachko 2018-03-30 18:55:35 -07:00
parent 659074728e
commit acfd764fcc
2 changed files with 18 additions and 2 deletions
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3
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Server.java
View File

@ -657,6 +657,9 @@ static Class<? extends RpcScheduler> getSchedulerClass(
public synchronized void refreshCallQueue(Configuration conf) {
// Create the next queue
String prefix = getQueueClassPrefix();
this.maxQueueSize = handlerCount * conf.getInt(
CommonConfigurationKeys.IPC_SERVER_HANDLER_QUEUE_SIZE_KEY,
CommonConfigurationKeys.IPC_SERVER_HANDLER_QUEUE_SIZE_DEFAULT);
callQueue.swapQueue(getSchedulerClass(prefix, conf),
getQueueClass(prefix, conf), maxQueueSize, prefix, conf);
}

17
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/TestRefreshCallQueue.java
View File

@ -30,8 +30,10 @@
import java.util.concurrent.LinkedBlockingQueue;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.CommonConfigurationKeys;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hdfs.DFSConfigKeys;
import org.apache.hadoop.hdfs.MiniDFSCluster;
import org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer;
import org.apache.hadoop.hdfs.tools.DFSAdmin;
@ -141,8 +143,16 @@ public void testRefreshCallQueueWithFairCallQueue() throws Exception {
// throw an error when we double-initialize JvmMetrics
DefaultMetricsSystem.setMiniClusterMode(false);
int serviceHandlerCount = config.getInt(
DFSConfigKeys.DFS_NAMENODE_SERVICE_HANDLER_COUNT_KEY,
DFSConfigKeys.DFS_NAMENODE_SERVICE_HANDLER_COUNT_DEFAULT);
NameNodeRpcServer rpcServer = (NameNodeRpcServer) cluster.getNameNodeRpc();
// check callqueue size
assertEquals(CommonConfigurationKeys.IPC_SERVER_HANDLER_QUEUE_SIZE_DEFAULT
* serviceHandlerCount, rpcServer.getClientRpcServer().getMaxQueueSize());
// Replace queue and update queue size
config.setInt(CommonConfigurationKeys.IPC_SERVER_HANDLER_QUEUE_SIZE_KEY,
150);
try {
rpcServer.getClientRpcServer().refreshCallQueue(config);
} catch (Exception e) {
@ -158,6 +168,9 @@ public void testRefreshCallQueueWithFairCallQueue() throws Exception {
} finally {
DefaultMetricsSystem.setMiniClusterMode(oldValue);
}
}
// check callQueueSize has changed
assertEquals(150 * serviceHandlerCount, rpcServer.getClientRpcServer()
.getMaxQueueSize());
}
}