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From "聪聪" <175998...@qq.com>
Subject Hbase cluster is suddenly unable to respond
Date Fri, 23 Oct 2015 15:28:10 GMT
hi,all:


This afternoon,The whole Hbase cluster is suddenly unable to respond.after I restart a regionserver
after,the cluster has recovered.I don't know the cause of the trouble.I hope I can get help
from you.


Regionserver on the log is as follows:
2015-10-23 17:28:49,335 INFO  [regionserver60020.logRoller] wal.FSHLog: moving old hlog file
/hbase/WALs/l-hbase30.data.cn8.qunar.com,60020,1442810406218/l-hbase30.data.cn8.qunar.com%2C60020%2C1442810406218.1445580462689
whose highest sequenceid is 9071525521 to /hbase/oldWALs/l-hbase30.data.cn8.qunar.com%2C60020%2C1442810406218.1445580462689
2015-10-23 17:33:31,375 WARN  [RpcServer.reader=8,port=60020] ipc.RpcServer: RpcServer.listener,port=60020:
count of bytes read: 0
java.io.IOException: Connection reset by peer
        at sun.nio.ch.FileDispatcherImpl.read0(Native Method)
        at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:39)
        at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:223)
        at sun.nio.ch.IOUtil.read(IOUtil.java:197)
        at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:379)
        at org.apache.hadoop.hbase.ipc.RpcServer.channelRead(RpcServer.java:2368)
        at org.apache.hadoop.hbase.ipc.RpcServer$Connection.readAndProcess(RpcServer.java:1403)
        at org.apache.hadoop.hbase.ipc.RpcServer$Listener.doRead(RpcServer.java:770)
        at org.apache.hadoop.hbase.ipc.RpcServer$Listener$Reader.doRunLoop(RpcServer.java:563)
        at org.apache.hadoop.hbase.ipc.RpcServer$Listener$Reader.run(RpcServer.java:538)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:744)
2015-10-23 17:33:31,779 WARN  [RpcServer.reader=2,port=60020] ipc.RpcServer: RpcServer.listener,port=60020:
count of bytes read: 0
java.io.IOException: Connection reset by peer
        at sun.nio.ch.FileDispatcherImpl.read0(Native Method)
        at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:39)
        at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:223)
        at sun.nio.ch.IOUtil.read(IOUtil.java:197)
        at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:379)
        at org.apache.hadoop.hbase.ipc.RpcServer.channelRead(RpcServer.java:2368)
        at org.apache.hadoop.hbase.ipc.RpcServer$Connection.readAndProcess(RpcServer.java:1403)
        at org.apache.hadoop.hbase.ipc.RpcServer$Listener.doRead(RpcServer.java:770)
        at org.apache.hadoop.hbase.ipc.RpcServer$Listener$Reader.doRunLoop(RpcServer.java:563)
        at org.apache.hadoop.hbase.ipc.RpcServer$Listener$Reader.run(RpcServer.java:538)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:744)
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