Hi Kiru, Can you please elaborate on this ?
On Mon, Oct 21, 2013 at 5:30 PM, Vimal Jain <[email protected]> wrote: > Hi Kiru, > Thanks for the reply. > My understanding is not very clear with respect to these warning messages > in region server logs. > When i read documentation , it says its related to slow query logs. > So is it a issue in earlier versions of hbase and is fixed in 0.96 or is > it an issue in my configuration and i have to set some parameters to > prevent this? > Please help in understanding the exact issue. > > > On Sat, Oct 19, 2013 at 3:31 AM, Kiru Pakkirisamy < > [email protected]> wrote: > >> Vimal, >> Maybe you should try running the test case for HBASE-9410 (with some >> modifications) and report back. >> This way Lars/committers/contributors can work on this bug with >> confirmation. >> >> The test case makes a coprocessor call (which does nothing) on a table >> with regions in all the region servers. >> Feel free to send me any email in this regards. >> >> Regards, >> - kiru >> >> >> Kiru Pakkirisamy | webcloudtech.wordpress.com >> >> ------------------------------ >> *From:* Vimal Jain <[email protected]> >> *To:* Himanshu Vashishtha <[email protected]> >> *Cc:* "[email protected]" <[email protected]>; Kiru Pakkirisamy < >> [email protected]>; lars hofhansl <[email protected]> >> *Sent:* Thursday, October 17, 2013 9:39 PM >> >> *Subject:* Re: Warning messages in hbase logs >> >> Hi. >> I am still getting these warnings in region server logs. >> I am still using hbase 0.94.7. >> Is there any impact of these warning messages ? >> >> >> On Thu, Sep 26, 2013 at 11:19 PM, Himanshu Vashishtha <[email protected] >> > wrote: >> >> >> >> >> On Thu, Sep 26, 2013 at 4:07 AM, Kiru Pakkirisamy < >> [email protected]> wrote: >> >> I was on 0.94.11 and still got the same msgs as Vimal. >> Ultimately, I moved to 0.95.2. >> >> >> You know it is a dev release, right? >> >> >> 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 >> >> >> >> >> >> -- >> Thanks and Regards, >> Vimal Jain >> >> >> > > > -- > Thanks and Regards, > Vimal Jain > -- Thanks and Regards, Vimal Jain
