diff --git a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt index 04405d6716d..1eb7ff763da 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt +++ b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt @@ -1722,6 +1722,9 @@ Release 2.7.3 - UNRELEASED HDFS-9654. Code refactoring for HDFS-8578. (szetszwo) + HDFS-9669. TcpPeerServer should respect ipc.server.listen.queue.size + (Elliot Clark via cmccabe) + OPTIMIZATIONS BUG FIXES diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/net/TcpPeerServer.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/net/TcpPeerServer.java index 8858de80fae..40d2b330def 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/net/TcpPeerServer.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/net/TcpPeerServer.java @@ -41,13 +41,15 @@ public class TcpPeerServer implements PeerServer { * * @param socketWriteTimeout The Socket write timeout in ms. * @param bindAddr The address to bind to. + * @param backlogLength The length of the tcp accept backlog * @throws IOException */ public TcpPeerServer(int socketWriteTimeout, - InetSocketAddress bindAddr) throws IOException { + InetSocketAddress bindAddr, + int backlogLength) throws IOException { this.serverSocket = (socketWriteTimeout > 0) ? ServerSocketChannel.open().socket() : new ServerSocket(); - Server.bind(serverSocket, bindAddr, 0); + Server.bind(serverSocket, bindAddr, backlogLength); } /** diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java index ed3f93f043b..04a986f055d 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java @@ -49,6 +49,7 @@ import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_MAX_NUM_BLOCKS_TO_LOG_KEY import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_DATANODE_METRICS_LOGGER_PERIOD_SECONDS_DEFAULT; import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_DATANODE_METRICS_LOGGER_PERIOD_SECONDS_KEY; import static org.apache.hadoop.util.ExitUtil.terminate; +import org.apache.hadoop.fs.CommonConfigurationKeysPublic; import java.io.BufferedOutputStream; import java.io.ByteArrayInputStream; @@ -1010,8 +1011,11 @@ public class DataNode extends ReconfigurableBase if (secureResources != null) { tcpPeerServer = new TcpPeerServer(secureResources); } else { + int backlogLength = conf.getInt( + CommonConfigurationKeysPublic.IPC_SERVER_LISTEN_QUEUE_SIZE_KEY, + CommonConfigurationKeysPublic.IPC_SERVER_LISTEN_QUEUE_SIZE_DEFAULT); tcpPeerServer = new TcpPeerServer(dnConf.socketWriteTimeout, - DataNode.getStreamingAddr(conf)); + DataNode.getStreamingAddr(conf), backlogLength); } if (dnConf.getTransferSocketRecvBufferSize() > 0) { tcpPeerServer.setReceiveBufferSize( diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/SecureDataNodeStarter.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/SecureDataNodeStarter.java index 1436adc3325..cea78163cb7 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/SecureDataNodeStarter.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/SecureDataNodeStarter.java @@ -20,6 +20,7 @@ import com.google.common.annotations.VisibleForTesting; import org.apache.commons.daemon.Daemon; import org.apache.commons.daemon.DaemonContext; import org.apache.hadoop.conf.Configuration; +import org.apache.hadoop.fs.CommonConfigurationKeysPublic; import org.apache.hadoop.hdfs.DFSConfigKeys; import org.apache.hadoop.hdfs.DFSUtil; import org.apache.hadoop.hdfs.HdfsConfiguration; @@ -95,10 +96,13 @@ public class SecureDataNodeStarter implements Daemon { int socketWriteTimeout = conf.getInt( DFSConfigKeys.DFS_DATANODE_SOCKET_WRITE_TIMEOUT_KEY, HdfsConstants.WRITE_TIMEOUT); + int backlogLength = conf.getInt( + CommonConfigurationKeysPublic.IPC_SERVER_LISTEN_QUEUE_SIZE_KEY, + CommonConfigurationKeysPublic.IPC_SERVER_LISTEN_QUEUE_SIZE_DEFAULT); ServerSocket ss = (socketWriteTimeout > 0) ? ServerSocketChannel.open().socket() : new ServerSocket(); - ss.bind(streamingAddr, 0); + ss.bind(streamingAddr, backlogLength); // Check that we got the port we need if (ss.getLocalPort() != streamingAddr.getPort()) {