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@seigel
Created March 18, 2011 17:37
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2011-03-18 00:00:58,653 WARN org.apache.hadoop.ipc.HBaseServer: IPC Server Responder, call multi(org.apache.hadoop.hbase.client.MultiAction@2fb65c0a) from 10.5.240.241:33574: output error
2011-03-18 00:00:58,653 WARN org.apache.hadoop.ipc.HBaseServer: IPC Server handler 14 on 60020 caught: java.nio.channels.ClosedChannelException
at sun.nio.ch.SocketChannelImpl.ensureWriteOpen(SocketChannelImpl.java:126)
at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:324)
at org.apache.hadoop.hbase.ipc.HBaseServer.channelWrite(HBaseServer.java:1339)
at org.apache.hadoop.hbase.ipc.HBaseServer$Responder.processResponse(HBaseServer.java:727)
at org.apache.hadoop.hbase.ipc.HBaseServer$Responder.doRespond(HBaseServer.java:792)
at org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:1083)
@alindeman
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I'm seeing this too when HBase is under heavy writes. Did you figure anything out on this?

@seigel
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seigel commented Feb 24, 2012

I think a couple of things fixed this.

One, we were leaking connections on a test we were performing. So we stopped that.

Two. We upgraded to a new version of hbase after that.

I think the main thing was saturating the connections to zookeeper.

James

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