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From Bi,hongyu—mike <boyl...@gmail.com>
Subject Re: client call scan on some region hang
Date Tue, 06 Jan 2015 10:09:03 GMT
write traffic is ok:
2015-01-06 17:46:01,127 WARN org.apache.hadoop.hbase.ipc.SecureServer:
(responseTooSlow): {"processingtimems":68,"call":"multi(Region=Rx of 149
actions and first row key= Rowx), rpc version=1, client version=29,
methodsFingerPrint=-1105746420","client":"IP:port}

scan on that region slow:
015-01-06 16:23:25,087 ERROR
org.apache.hadoop.hbase.regionserver.HRegionServer:
org.apache.hadoop.hbase.ipc.CallerDisconnectedException: Aborting on region
Rx, call next(8002464006782223710, 1, 0), rpc version=1, client version=29,
methodsFingerPrint=-1771721648 from 10.201.202.31:31285 after 87821 ms,
since caller disconnected
        at
org.apache.hadoop.hbase.ipc.HBaseServer$Call.throwExceptionIfCallerDisconnected(HBaseServer.java:438);

 hbase hfile -r 'Rx' -p     can produce the result

2015-01-06 18:03 GMT+08:00 Bi,hongyu—mike <boylook@gmail.com>:

> Hi  all,
>
> There's one region which can take write request but scan;
> If I scan on that region I'll get scanner lease timeout(60s by
> default),while I can scan other region of  the same table and get the
> result less than 10ms(our slow rpc threadhold is 10ms);
>
> hbck report OK, and I use "hbase hfile" tool to check that region's
> storefile and the region ,which all extract the result;
>
> so I don't have any idea on it...
> any help will be appreciate, many thanks!
>

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