I was on 0.94.11 and still got the same msgs as Vimal. Ultimately, I moved to 0.95.2. Regards, - kiru
Kiru Pakkirisamy | webcloudtech.wordpress.com ________________________________ From: lars hofhansl <[email protected]> To: Vimal Jain <[email protected]>; "[email protected]" <[email protected]> Cc: Kiru Pakkirisamy <[email protected]> Sent: Wednesday, September 25, 2013 9:46 PM Subject: Re: Warning messages in hbase logs You probably ran into [HBASE-6870] - HTable#coprocessorExec always scan the whole table (0.94.8) Or maybe one of these: [HBASE-8806] - Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows. (0.94.10) [HBASE-8639] - Poor performance of htable#getscanner in multithreaded environment due to DNS.getDefaultHost() being called in ScannerCallable#prepare() (0.94.9) [HBASE-9087] - Handlers being blocked during reads (0.94.11) -- Lars ________________________________ From: Vimal Jain <[email protected]> To: [email protected]; lars hofhansl <[email protected]> Cc: Kiru Pakkirisamy <[email protected]> Sent: Wednesday, September 25, 2013 10:01 PM Subject: Re: Warning messages in hbase logs I am using Hadoop version - 1.1.2 , Hbase version - 0.94.7 . On Thu, Sep 26, 2013 at 9:38 AM, lars hofhansl <[email protected]> wrote: Eh? That should not be the case, we should figure where 0.95.2 is different from 0.94. >With which version of the 0.94 did you see this? > >-- Lars > > > > >----- Original Message ----- >From: Kiru Pakkirisamy <[email protected]> >To: "[email protected]" <[email protected]> >Cc: >Sent: Tuesday, September 24, 2013 9:46 PM >Subject: Re: Warning messages in hbase logs > >Are you running many concurrent clients ? I had a similar problem when running >on 0.94.x and I moved to 0.95.2 for this reason (see HBASE-9410) > >Regards, >- kiru > > >________________________________ >From: Vimal Jain <[email protected]> >To: [email protected] >Sent: Tuesday, September 24, 2013 9:36 PM >Subject: Warning messages in hbase logs > > >Hi, >I am seeing some warning message in Hregion log file for quite a few days. >The message is : > >*WARN org.apache.hadoop.ipc.HBaseServer: (responseTooSlow): >{"processingtimems":12994,"call":"multi(org.apache.hadoop.hbase.client.MultiAction@602cdaf7), >rpc version=1, client version=29, methodsFingerPrint=-1368823753","client":" >192.168.20.31:42206 >","starttimems":1380057021850,"queuetimems":0,"class":"HRegionServer","responsesize":0,"method":"multi"} >* > > >Can someone please help in understanding what this warning message is ? > >-- >Thanks and Regards, >Vimal Jain > -- Thanks and Regards, Vimal Jain
