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From Ted Tuttle <...@mentacapital.com>
Subject client timeout
Date Wed, 03 Dec 2014 15:13:48 GMT
Hello-

We are seeing recurring timeouts in communications with one our RSs.  The error we see in
our logs is:

Caused by: java.net.SocketTimeoutException: Call to <rs host>./<rs ip>:<port>
failed on socket timeout exceptio\
n: java.net.SocketTimeoutException: 120000 millis timeout while waiting for channel to be
ready for read. ch : java.nio.channels.S\
ocketChannel[connected local=/<client ip>:<port> remote=<rs host>./<rs
ip>:<port>]
        at org.apache.hadoop.hbase.ipc.HBaseClient.wrapException(HBaseClient.java:1043)
        at org.apache.hadoop.hbase.ipc.HBaseClient.call(HBaseClient.java:1016)
        at org.apache.hadoop.hbase.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:87)
        at com.sun.proxy.$Proxy9.multi(Unknown Source)
        at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3$1.call(HConnectionManager.java:1537)
        at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3$1.call(HConnectionManager.java:1535)
        at org.apache.hadoop.hbase.client.ServerCallable.withoutRetries(ServerCallable.java:229)
        at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3.call(HConnectionManager.java:1544)
        at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3.call(HConnectionManager.java:1532)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
        at java.util.concurrent.FutureTask.run(FutureTask.java:166)
        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:724)

Any ideas on what could be wrong w/ this RS?  The RS is not unusually busy.

Thanks,
Ted


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