[ https://issues.apache.org/jira/browse/HDFS-9669?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Elliott Clark reassigned HDFS-9669: ----------------------------------- Assignee: Elliott Clark > TcpPeerServer should respect ipc.server.listen.queue.size > --------------------------------------------------------- > > Key: HDFS-9669 > URL: https://issues.apache.org/jira/browse/HDFS-9669 > Project: Hadoop HDFS > Issue Type: Bug > Reporter: Elliott Clark > Assignee: Elliott Clark > > On periods of high traffic we are seeing: > {code} > 16/01/19 23:40:40 WARN hdfs.DFSClient: Connection failure: Failed to connect > to /10.138.178.47:50010 for file /MYPATH/MYFILE for block > BP-1935559084-10.138.112.27-1449689748174:blk_1080898601_7375294:java.io.IOException: > Connection reset by peer > java.io.IOException: Connection reset by peer > at sun.nio.ch.FileDispatcherImpl.write0(Native Method) > at sun.nio.ch.SocketDispatcher.write(SocketDispatcher.java:47) > at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:93) > at sun.nio.ch.IOUtil.write(IOUtil.java:65) > at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:471) > at > org.apache.hadoop.net.SocketOutputStream$Writer.performIO(SocketOutputStream.java:63) > at > org.apache.hadoop.net.SocketIOWithTimeout.doIO(SocketIOWithTimeout.java:142) > at > org.apache.hadoop.net.SocketOutputStream.write(SocketOutputStream.java:159) > at > org.apache.hadoop.net.SocketOutputStream.write(SocketOutputStream.java:117) > at > org.apache.hadoop.net.SocketOutputStream.write(SocketOutputStream.java:109) > at java.io.DataOutputStream.writeInt(DataOutputStream.java:197) > {code} > At the time that this happens there are way less xceivers than configured. > On most JDK's this will make 50 the total backlog at any time. This > effectively means that any GC + Busy time willl result in tcp resets. > http://hg.openjdk.java.net/jdk8/jdk8/jdk/file/tip/src/share/classes/java/net/ServerSocket.java#l370 -- This message was sent by Atlassian JIRA (v6.3.4#6332)