Re: Socket Timeout Exception when executing coprocessor

[Stack <st...@duboce.net>]

What the lads said above.  If you want to up your timeout, set a
different value for the property "hbase.rpc.timeout" in your config
(Its not mentioned in hbase-default.xml).

St.Ack

On Wed, Jun 29, 2011 at 3:24 PM, Nichole Treadway <kn...@gmail.com> wrote:
> I've implemented my own coprocessor client, protocol and implementation that
> returns back to the user a List of KeyValues with values that match some
> criteria. I've tested this on a small table with just a few regions and it
> works fine. I'm running into issues when I execute my code on a table with
> 200 regions, and I'm not really sure how to resolve the issue. I'm getting a
> SocketTimeoutException shown below.
>
> I'm able to run the AggregationClient coprocessor without seeing these
> issues. It might be something I'm doing in my code, but if anybody has any
> ideas why the request seems to be timing out or what I can do about it, I'd
> appreciate that.
>
>
> I'm running latest revision of hbase-0.92 and hadoop-0.20-append. My cluster
> has 15 regionservers. Running on RHEL 5.5, 64-bit.
>
>
> Some highlights of the errors are below...i've put the full thing in
> pastebin here: http://pastebin.com/rapYiNp3
>
>
> 11/06/29 17:35:12 INFO ipc.HBaseRPC: Using
> org.apache.hadoop.hbase.ipc.WritableRpcEngine for
> org.apache.hadoop.hbase.ipc.HRegionInterface
> 11/06/29 17:48:12 WARN client.HConnectionManager$HConnectionImplementation:
> Error executing for row 00223199610B220970111:2:0:7524::
> java.util.concurrent.ExecutionException:
> org.apache.hadoop.hbase.client.RetriesExhaustedException: Trying to contact
> region server mysite.com/myip:62091 for region
> info_test,00223199610B220970111:2:0:7524::,1309363489443.c3192674341c8d10d84966e8e663a644.,
> row '00223199610B220970111:2:0:7524::', but failed after 10 attempts.
>
> Exceptions:
> java.net.SocketTimeoutException: Call to mysite.com/myip:62091 failed on
> socket timeout exception: java.net.SocketTimeoutException: 60000 millis
> timeout while waiting for channel to be ready for read. ch :
> java.nio.channels.SocketChannel[connected local=/myip:14738 remote=
> mysite.com/myip:62091]
>
> at
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionServerWithRetries(HConnectionManager.java:1215)
>  at
> org.apache.hadoop.hbase.ipc.ExecRPCInvoker.invoke(ExecRPCInvoker.java:79)
> at $Proxy1.getList(Unknown Source)
>  at
> org.apache.hadoop.hbase.client.coprocessor.GetListClient$1.call(GetListClient.java:108)
> at
> org.apache.hadoop.hbase.client.coprocessor.GetListClient$1.call(GetListClient.java:105)
>  at
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$4.call(HConnectionManager.java:1325)
> at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
>  at java.util.concurrent.FutureTask.run(FutureTask.java:138)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>  at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:662)
>