HDFS-9669. TcpPeerServer should respect ipc.server.listen.queue.size (Elliot Clark via cmccabe)

(cherry picked from commit 2da03b48eb)
(cherry picked from commit 60d3a3c30b)

Conflicts:
	hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java
This commit is contained in:
Colin Patrick Mccabe 2016-02-02 10:59:10 -08:00
parent dfbd0d4df4
commit c4c94e1cf2
4 changed files with 17 additions and 4 deletions

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@ -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

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@ -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);
}
/**

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@ -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(

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@ -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()) {