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From Mateusz Kaczynski <mate...@arachnys.com>
Subject Re: Hbase PrefixFilter Problem
Date Wed, 25 Mar 2015 14:45:21 GMT
We've had jobs dying because of this, a quick workaround was in our case to
decrease hbase.client.scanner.caching (to 100) and increase
hbase.rpc.timeout and hbase.client.scanner.timeout.period
(to 450000 and 300000).

On 25 March 2015 at 14:36, Talat Uyarer <talat@uyarer.com> wrote:

> Hi,
>
> I use HBase 0.98.6-cdh5.3.2.
>
> Only one regionserver has some warn logs. like this:
>
> 2:31:29.312 PMWARNorg.apache.hadoop.ipc.RpcServer
>
> RpcServer.respondercallId: 1456110 service: ClientService methodName:
> Scan size: 24 connection: 192.168.0.10:47064: output error
>
> 2:31:29.313 PMWARNorg.apache.hadoop.ipc.RpcServer
>
> B.defaultRpcServer.handler=24,queue=0,port=60020: caught a
> ClosedChannelException, this means that the server was processing a
> request but the client went away. The error message was: null
>
> Talat
>
> 2015-03-25 15:52 GMT+02:00 Jean-Marc Spaggiari <jean-marc@spaggiari.org>:
> > Also, which HBase version is it?
> >
> > 2015-03-25 9:47 GMT-04:00 ramkrishna vasudevan <
> > ramkrishna.s.vasudevan@gmail.com>:
> >
> >> Can you see if there is any exception in the Regionserver logs?
> >>
> >> On Wed, Mar 25, 2015 at 2:17 PM, Talat Uyarer <talat@uyarer.com> wrote:
> >>
> >> > Hi all,
> >> >
> >> > I try to use Prefix Filter on hbase shell. It throws an exception. I
> >> > do not understand its reason. Could you help me ?
> >> >
> >> > scan 'table1',{FILTER => "PrefixFilter('Row1')", LIMIT => 1}
> >> >
> >> > ROW
> >> > COLUMN+CELL
> >> > ERROR:
> org.apache.hadoop.hbase.exceptions.OutOfOrderScannerNextException:
> >> > Expected nextCallSeq: 1 But the nextCallSeq got from client: 0;
> >> > request=scanner_id: 154160 number_of_rows: 100 close_scanner: false
> >> > next_call_seq: 0
> >> > at
> >> >
> >>
> org.apache.hadoop.hbase.regionserver.HRegionServer.scan(HRegionServer.java:3198)
> >> > at
> >> >
> >>
> org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:29925)
> >> > at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2031)
> >> > at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:108)
> >> > at
> >> >
> >>
> org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:116)
> >> > at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:96)
> >> > at java.lang.Thread.run(Thread.java:745)
> >> >
> >> > Thanks
> >> > --
> >> > Talat UYARER
> >> > Websitesi: http://talat.uyarer.com
> >> > Twitter: http://twitter.com/talatuyarer
> >> > Linkedin: http://tr.linkedin.com/pub/talat-uyarer/10/142/304
> >> >
> >>
>
>
>
> --
> Talat UYARER
> Websitesi: http://talat.uyarer.com
> Twitter: http://twitter.com/talatuyarer
> Linkedin: http://tr.linkedin.com/pub/talat-uyarer/10/142/304
>



-- 
*Mateusz Kaczynski*
*Senior Developer*
*mateusz@arachnys.com <mateusz@arachnys.com>*
+44 7518970588

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