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From 陈加俊 <cjjvict...@gmail.com>
Subject Re: Regionserver is crashed frequently these days
Date Fri, 01 Apr 2011 16:38:36 GMT
I will get the gc time in gc-hbase.log at the next chance,the gc log about
22:00 is lost.

On Sat, Apr 2, 2011 at 12:17 AM, Stack <stack@duboce.net> wrote:

> On Fri, Apr 1, 2011 at 9:01 AM, 陈加俊 <cjjvictory@gmail.com> wrote:
> > 2011-04-01 19:13:40,413 WARN org.apache.hadoop.hbase.regionserver.Store:
> > Failed open of hdfs://
> >
> master.uc.uuwatch.com:9000/hbase/cjjHTML/1494733632/page/5173469199902346167.1864097884
> ;
> > presumption is that file was corrupted at flush and lost edits picked up
> by
> > commit log replay. Verify!
> > java.io.IOException: Cannot open filename
> > /hbase/cjjHTML/1864097884/page/5173469199902346167
> > ......
> >
>
> This is a case where a daughter region is unable to open its parent
> regions storefile (The daughter refers to parent storefiles for a
> period of time after initial open).  Look at what happened to the
> parent region.  Was it prematurely removed?
>
> > 2011-04-01 19:17:22,716 INFO
> > org.apache.hadoop.hbase.regionserver.HRegionServer: MSG_REGION_CLOSE:
> > cjjHTML,http://news.ifeng.com/gundong/detail_2011_03/15/515
> > 4913_0.shtml,1300245193111: Overloaded
> > 2011-04-01 19:17:22,716 INFO
>
> This we've discussed.
>
> > 2011-04-01 22:01:49,212 WARN org.apache.zookeeper.ClientCnxn: Exception
> > closing session 0x942f0f7ae13d0000 to
> sun.nio.ch.SelectionKeyImpl@34819c89
> > java.io.IOException: TIMED OUT
> >        at
>
>
> This looks like straight session timeout against ZK.   Long GC pause?
>
> St.Ack
>



-- 
Thanks & Best regards
jiajun

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