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From Mukesh Jha <me.mukesh....@gmail.com>
Subject Re: High get/scan rates on HBase table even if no readers are on
Date Mon, 30 Nov 2015 09:14:17 GMT
Any clue guys?

Because of this I am getting a lot of slow scans.

>From HBase Regionserver logs

hbase5.usdc2.cloud.com 2015-11-30 09:10:53,592 WARN
org.apache.hadoop.ipc.RpcServer: (responseTooSlow):
{"processingtimems":10630,"call":"Scan(org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ScanRequest)","client":"
10.193.150.127:37070
","starttimems":1448874642962,"queuetimems":1,"class":"HRegionServer","responsesize":12,"method":"Scan"}


On Fri, Nov 27, 2015 at 11:41 PM, Mukesh Jha <me.mukesh.jha@gmail.com>
wrote:

> I'm working with cloudera hbase v0.98, my HBase table has ~5k regions.
>
> From the cloudera UI charts i see a lot of get & scan operations active on
> my table even after i shut down all the reader applications.
>
> I'm suspecting that this is impacting my scan performance.
>
> So I'd like to know if there is a way by which i can identify the hosts
> calling  these get/scan operations? I tried netstat and similar linux
> commands without much luck.
>



-- 


Thanks & Regards,

*Mukesh Jha <me.mukesh.jha@gmail.com>*

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