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From Ted Yu <yuzhih...@gmail.com>
Subject Re: memstore flushing took long time
Date Fri, 23 Jul 2010 04:06:16 GMT
I checked time on related servers.
There wasn't significant lag.

On Thu, Jul 22, 2010 at 9:04 PM, Ted Yu <yuzhihong@gmail.com> wrote:

> Here is the master log snippet:
> http://pastebin.com/fyzSb2pv
>
> 10.201.8.208 is sjc1-hadoop4.sjc1.carrieriq.com
> sjc1-hadoop0.sjc1.carrieriq.com is hadoop namenode
>
>
> On Thu, Jul 22, 2010 at 6:18 PM, Ryan Rawson <ryanobjc@gmail.com> wrote:
>
>> ProcessServerShutdown is the keyword you want to find.  Check it out.
>>
>> On Thu, Jul 22, 2010 at 3:52 PM, Ted Yu <yuzhihong@gmail.com> wrote:
>> > HBase 0.20.5
>> > Hadoop 0.20.2+320 (cdh3b2)
>> >
>> > Please indicate what keyword to search for log recovery.
>> >
>> > Here is snippet of master log around that time:
>> > http://pastebin.com/1VypdCRP
>> >
>> > Here is region server log snippet preceding the segment below:
>> > http://pastebin.com/9AV8nb74
>> >
>> > On Thu, Jul 22, 2010 at 3:39 PM, Ryan Rawson <ryanobjc@gmail.com>
>> wrote:
>> >
>> >> What version of hbase and hadoop are you running?
>> >>
>> >> Is there anything else in the logfile?  What about the master?  If the
>> >> logfile went away, this happens because the master has done a log
>> >> recovery, is there any evidence for that in the master log?
>> >>
>> >> -ryan
>> >>
>> >> On Thu, Jul 22, 2010 at 3:34 PM, Jean-Daniel Cryans <
>> jdcryans@apache.org>
>> >> wrote:
>> >> > Oups yes LeaseExpired.
>> >> >
>> >> > So that tiny piece of log shows regions closing. Why are they
>> closing?
>> >> > No idea, but the reason should be before they all start doing it.
>> >> >
>> >> > Also please consider using pastebin for logs.
>> >> >
>> >> > J-D
>> >> >
>> >> > On Thu, Jul 22, 2010 at 3:29 PM, Ted Yu <yuzhihong@gmail.com>
wrote:
>> >> >> I think you meant LeaseExpiredException.
>> >> >> Here the lines preceding previous log:
>> >> >>
>> >> >> 2010-07-22 06:50:06,856 DEBUG
>> >> org.apache.hadoop.hbase.regionserver.HRegion:
>> >> >> Updates disabled for region, no outstanding scanners on
>> >> >>
>> >>
>> HB_GS_DA27-THREEGPPSPEECHCALLS-1279775045580-3,400D53539AB1C603A623FBDB290227DF,1279777920590
>> >> >> 2010-07-22 06:50:06,856 DEBUG
>> >> org.apache.hadoop.hbase.regionserver.HRegion:
>> >> >> No more row locks outstanding on region
>> >> >>
>> >>
>> HB_GS_DA27-THREEGPPSPEECHCALLS-1279775045580-3,400D53539AB1C603A623FBDB290227DF,1279777920590
>> >> >> 2010-07-22 06:50:06,856 DEBUG
>> >> org.apache.hadoop.hbase.regionserver.Store:
>> >> >> closed d
>> >> >> 2010-07-22 06:50:06,856 DEBUG
>> >> org.apache.hadoop.hbase.regionserver.Store:
>> >> >> closed i
>> >> >> 2010-07-22 06:50:06,856 DEBUG
>> >> org.apache.hadoop.hbase.regionserver.Store:
>> >> >> closed v
>> >> >> 2010-07-22 06:50:06,856 INFO
>> >> org.apache.hadoop.hbase.regionserver.HRegion:
>> >> >> Closed
>> >> >>
>> >>
>> HB_GS_DA27-THREEGPPSPEECHCALLS-1279775045580-3,400D53539AB1C603A623FBDB290227DF,1279777920590
>> >> >> 2010-07-22 06:50:06,857 DEBUG
>> >> >> org.apache.hadoop.hbase.regionserver.HRegionServer: closing region
>> >> >>
>> >>
>> HB_GS_DA27-THREEGPPSPEECHCALLS-1279775045580-3,BFEF9B9A8E0B01A0321266191EE8B386,1279777620608
>> >> >> 2010-07-22 06:50:06,857 DEBUG
>> >> org.apache.hadoop.hbase.regionserver.HRegion:
>> >> >> Closing
>> >> >>
>> >>
>> HB_GS_DA27-THREEGPPSPEECHCALLS-1279775045580-3,BFEF9B9A8E0B01A0321266191EE8B386,1279777620608:
>> >> >> disabling compactions & flushes
>> >> >> 2010-07-22 06:50:06,857 INFO
>> >> org.apache.hadoop.hbase.regionserver.HRegion:
>> >> >> Running close preflush of
>> >> >>
>> >>
>> HB_GS_DA27-THREEGPPSPEECHCALLS-1279775045580-3,BFEF9B9A8E0B01A0321266191EE8B386,1279777620608
>> >> >> 2010-07-22 06:50:06,857 DEBUG
>> >> org.apache.hadoop.hbase.regionserver.HRegion:
>> >> >> Started memstore flush for region
>> >> >>
>> >>
>> HB_GS_DA27-THREEGPPSPEECHCALLS-1279775045580-3,BFEF9B9A8E0B01A0321266191EE8B386,1279777620608.
>> >> >> Current region memstore size 76.7m
>> >> >> 2010-07-22 06:50:06,857 DEBUG
>> >> org.apache.hadoop.hbase.regionserver.HRegion:
>> >> >> Finished snapshotting, commencing flushing stores
>> >> >> 2010-07-22 06:51:10,814 INFO
>> org.apache.hadoop.hbase.regionserver.Store:
>> >> >> Added hdfs://
>> >> >>
>> >>
>> sjc1-hadoop0.sjc1.carrieriq.com:9000/hbase/HB_GS_DA27-THREEGPPSPEECHCALLS-1279775045580-3/1221638504/v/4496708701346477786
>> >> ,
>> >> >> entries=37043, sequenceid=25822636, memsize=76.7m, filesize=21.7m
to
>> >> >>
>> >>
>> HB_GS_DA27-THREEGPPSPEECHCALLS-1279775045580-3,BFEF9B9A8E0B01A0321266191EE8B386,1279777620608
>> >> >> 2010-07-22 06:51:10,815 DEBUG
>> >> org.apache.hadoop.hbase.regionserver.HRegion:
>> >> >> Caches flushed, doing commit now (which includes update scanners)
>> >> >> 2010-07-22 06:51:10,815 INFO
>> >> org.apache.hadoop.hbase.regionserver.HRegion:
>> >> >> Finished memstore flush of ~76.7m for region
>> >> >>
>> >>
>> HB_GS_DA27-THREEGPPSPEECHCALLS-1279775045580-3,BFEF9B9A8E0B01A0321266191EE8B386,1279777620608
>> >> >> in 63958ms, sequence id=25822636, compaction requested=true
>> >> >> 2010-07-22 06:51:10,815 DEBUG
>> >> org.apache.hadoop.hbase.regionserver.HRegion:
>> >> >> Updates disabled for region, no outstanding scanners on
>> >> >>
>> >>
>> HB_GS_DA27-THREEGPPSPEECHCALLS-1279775045580-3,BFEF9B9A8E0B01A0321266191EE8B386,1279777620608
>> >> >> 2010-07-22 06:51:10,815 DEBUG
>> >> org.apache.hadoop.hbase.regionserver.HRegion:
>> >> >> No more row locks outstanding on region
>> >> >>
>> >>
>> HB_GS_DA27-THREEGPPSPEECHCALLS-1279775045580-3,BFEF9B9A8E0B01A0321266191EE8B386,1279777620608
>> >> >> 2010-07-22 06:51:10,815 DEBUG
>> >> org.apache.hadoop.hbase.regionserver.Store:
>> >> >> closed d
>> >> >> 2010-07-22 06:51:10,815 DEBUG
>> >> org.apache.hadoop.hbase.regionserver.Store:
>> >> >> closed i
>> >> >> 2010-07-22 06:51:10,815 DEBUG
>> >> org.apache.hadoop.hbase.regionserver.Store:
>> >> >> closed v
>> >> >> 2010-07-22 06:51:10,816 INFO
>> >> org.apache.hadoop.hbase.regionserver.HRegion:
>> >> >> Closed
>> >> >>
>> >>
>> HB_GS_DA27-THREEGPPSPEECHCALLS-1279775045580-3,BFEF9B9A8E0B01A0321266191EE8B386,1279777620608
>> >> >> 2010-07-22 06:51:10,816 DEBUG
>> >> >> org.apache.hadoop.hbase.regionserver.HRegionServer: closing region
>> >> >>
>> >>
>> HB_GS_DA27-THREEGPPSPEECHCALLS-1279775045580-3,8018991E5851E44CA601E2AAE67F3D6C,1279777620608
>> >> >> 2010-07-22 06:51:10,816 DEBUG
>> >> org.apache.hadoop.hbase.regionserver.HRegion:
>> >> >> Closing
>> >> >>
>> >>
>> HB_GS_DA27-THREEGPPSPEECHCALLS-1279775045580-3,8018991E5851E44CA601E2AAE67F3D6C,1279777620608:
>> >> >> disabling compactions & flushes
>> >> >>
>> >> >> On Thu, Jul 22, 2010 at 2:43 PM, Jean-Daniel Cryans <
>> >> jdcryans@apache.org>wrote:
>> >> >>
>> >> >>> FWIW the first file is almost half the size of the second one,
and
>> >> >>> flushing isn't a blocking process.
>> >> >>>
>> >> >>> The LeaseStillHeldException makes me think that your region
server
>> >> >>> lost its zookeeper session, should be a few lines before that
in
>> the
>> >> >>> log.
>> >> >>>
>> >> >>> J-D
>> >> >>>
>> >> >>> On Thu, Jul 22, 2010 at 9:36 AM, Ted Yu <yuzhihong@gmail.com>
>> wrote:
>> >> >>> > Below is snippet from region server log.
>> >> >>> > The first memstore flush of ~71.6m was considerably quicker
than
>> the
>> >> >>> second
>> >> >>> > memstore flush of ~131.0m
>> >> >>> > I guess that contributed to the LeaseExpiredException
shown at
>> the
>> >> >>> bottom.
>> >> >>> >
>> >> >>> > I couldn't find either of the two directories below
>> >> >>> > (/hbase/HB_GS_DA27-THREEGPPSPEECHCALLS-1279775045580-3/188865551)
>> >> >>> >
>> >> >>> > Please advise what parameter I should adjust.
>> >> >>> >
>> >> >>> > Thanks
>> >> >>> >
>> >> >>> > 2010-07-22 06:51:10,816 INFO
>> >> >>> org.apache.hadoop.hbase.regionserver.HRegion:
>> >> >>> > Running close preflush of
>> >> >>> >
>> >> >>>
>> >>
>> HB_GS_DA27-THREEGPPSPEECHCALLS-1279775045580-3,8018991E5851E44CA601E2AAE67F3D6C,1279777620608
>> >> >>> > 2010-07-22 06:51:10,816 DEBUG
>> >> >>> org.apache.hadoop.hbase.regionserver.HRegion:
>> >> >>> > Started memstore flush for region
>> >> >>> >
>> >> >>>
>> >>
>> HB_GS_DA27-THREEGPPSPEECHCALLS-1279775045580-3,8018991E5851E44CA601E2AAE67F3D6C,1279777620608.
>> >> >>> > Current region memstore size 71.6m
>> >> >>> > 2010-07-22 06:51:10,816 DEBUG
>> >> >>> org.apache.hadoop.hbase.regionserver.HRegion:
>> >> >>> > Finished snapshotting, commencing flushing stores
>> >> >>> > 2010-07-22 06:51:17,124 INFO
>> >> org.apache.hadoop.hbase.regionserver.Store:
>> >> >>> > Added hdfs://
>> >> >>> >
>> >> >>>
>> >>
>> sjc1-hadoop0.sjc1.carrieriq.com:9000/hbase/HB_GS_DA27-THREEGPPSPEECHCALLS-1279775045580-3/188865551/v/1546739841059776890
>> >> >>> ,
>> >> >>> > entries=34739, sequenceid=25822637, memsize=71.6m, filesize=20.2m
>> to
>> >> >>> >
>> >> >>>
>> >>
>> HB_GS_DA27-THREEGPPSPEECHCALLS-1279775045580-3,8018991E5851E44CA601E2AAE67F3D6C,1279777620608
>> >> >>> > 2010-07-22 06:51:17,124 DEBUG
>> >> >>> org.apache.hadoop.hbase.regionserver.HRegion:
>> >> >>> > Caches flushed, doing commit now (which includes update
scanners)
>> >> >>> > 2010-07-22 06:51:17,124 INFO
>> >> >>> org.apache.hadoop.hbase.regionserver.HRegion:
>> >> >>> > Finished memstore flush of ~71.6m for region
>> >> >>> >
>> >> >>>
>> >>
>> HB_GS_DA27-THREEGPPSPEECHCALLS-1279775045580-3,8018991E5851E44CA601E2AAE67F3D6C,1279777620608
>> >> >>> > in 6308ms, sequence id=25822637, compaction requested=true
>> >> >>> > 2010-07-22 06:51:17,124 DEBUG
>> >> >>> org.apache.hadoop.hbase.regionserver.HRegion:
>> >> >>> > Updates disabled for region, no outstanding scanners on
>> >> >>> >
>> >> >>>
>> >>
>> HB_GS_DA27-THREEGPPSPEECHCALLS-1279775045580-3,8018991E5851E44CA601E2AAE67F3D6C,1279777620608
>> >> >>> > 2010-07-22 06:51:17,124 DEBUG
>> >> >>> org.apache.hadoop.hbase.regionserver.HRegion:
>> >> >>> > No more row locks outstanding on region
>> >> >>> >
>> >> >>>
>> >>
>> HB_GS_DA27-THREEGPPSPEECHCALLS-1279775045580-3,8018991E5851E44CA601E2AAE67F3D6C,1279777620608
>> >> >>> > 2010-07-22 06:51:17,124 DEBUG
>> >> org.apache.hadoop.hbase.regionserver.Store:
>> >> >>> > closed d
>> >> >>> > 2010-07-22 06:51:17,124 DEBUG
>> >> org.apache.hadoop.hbase.regionserver.Store:
>> >> >>> > closed i
>> >> >>> > 2010-07-22 06:51:17,125 DEBUG
>> >> org.apache.hadoop.hbase.regionserver.Store:
>> >> >>> > closed v
>> >> >>> > 2010-07-22 06:51:17,125 INFO
>> >> >>> org.apache.hadoop.hbase.regionserver.HRegion:
>> >> >>> > Closed
>> >> >>> >
>> >> >>>
>> >>
>> HB_GS_DA27-THREEGPPSPEECHCALLS-1279775045580-3,8018991E5851E44CA601E2AAE67F3D6C,1279777620608
>> >> >>> > 2010-07-22 06:51:17,125 DEBUG
>> >> >>> > org.apache.hadoop.hbase.regionserver.HRegionServer: closing
>> region
>> >> >>> >
>> >> >>>
>> >>
>> HB_GS_DA27-THREEGPPSPEECHCALLS-1279775045580-1,7FBFE9280B269FCEAA5376D58C7E2661,1279778971702
>> >> >>> > 2010-07-22 06:51:17,125 DEBUG
>> >> >>> org.apache.hadoop.hbase.regionserver.HRegion:
>> >> >>> > Closing
>> >> >>> >
>> >> >>>
>> >>
>> HB_GS_DA27-THREEGPPSPEECHCALLS-1279775045580-1,7FBFE9280B269FCEAA5376D58C7E2661,1279778971702:
>> >> >>> > disabling compactions & flushes
>> >> >>> > 2010-07-22 06:51:17,125 INFO
>> >> >>> org.apache.hadoop.hbase.regionserver.HRegion:
>> >> >>> > Running close preflush of
>> >> >>> >
>> >> >>>
>> >>
>> HB_GS_DA27-THREEGPPSPEECHCALLS-1279775045580-1,7FBFE9280B269FCEAA5376D58C7E2661,1279778971702
>> >> >>> > 2010-07-22 06:51:17,125 DEBUG
>> >> >>> org.apache.hadoop.hbase.regionserver.HRegion:
>> >> >>> > Started memstore flush for region
>> >> >>> >
>> >> >>>
>> >>
>> HB_GS_DA27-THREEGPPSPEECHCALLS-1279775045580-1,7FBFE9280B269FCEAA5376D58C7E2661,1279778971702.
>> >> >>> > Current region memstore size 131.0m
>> >> >>> > 2010-07-22 06:51:17,125 DEBUG
>> >> >>> org.apache.hadoop.hbase.regionserver.HRegion:
>> >> >>> > Finished snapshotting, commencing flushing stores
>> >> >>> > 2010-07-22 06:51:58,615 INFO
>> >> org.apache.hadoop.hbase.regionserver.Store:
>> >> >>> > Added hdfs://
>> >> >>> >
>> >> >>>
>> >>
>> sjc1-hadoop0.sjc1.carrieriq.com:9000/hbase/HB_GS_DA27-THREEGPPSPEECHCALLS-1279775045580-1/186415109/v/5120476665907850717
>> >> >>> ,
>> >> >>> > entries=63305, sequenceid=25822638, memsize=131.0m,
>> filesize=37.0m to
>> >> >>> >
>> >> >>>
>> >>
>> HB_GS_DA27-THREEGPPSPEECHCALLS-1279775045580-1,7FBFE9280B269FCEAA5376D58C7E2661,1279778971702
>> >> >>> > 2010-07-22 06:51:58,615 DEBUG
>> >> >>> org.apache.hadoop.hbase.regionserver.HRegion:
>> >> >>> > Caches flushed, doing commit now (which includes update
scanners)
>> >> >>> > 2010-07-22 06:51:58,615 INFO
>> >> >>> org.apache.hadoop.hbase.regionserver.HRegion:
>> >> >>> > Finished memstore flush of ~131.0m for region
>> >> >>> >
>> >> >>>
>> >>
>> HB_GS_DA27-THREEGPPSPEECHCALLS-1279775045580-1,7FBFE9280B269FCEAA5376D58C7E2661,1279778971702
>> >> >>> > in 41490ms, sequence id=25822638, compaction requested=true
>> >> >>> > 2010-07-22 06:51:58,616 DEBUG
>> >> >>> org.apache.hadoop.hbase.regionserver.HRegion:
>> >> >>> > Updates disabled for region, no outstanding scanners on
>> >> >>> >
>> >> >>>
>> >>
>> HB_GS_DA27-THREEGPPSPEECHCALLS-1279775045580-1,7FBFE9280B269FCEAA5376D58C7E2661,1279778971702
>> >> >>> > 2010-07-22 06:51:58,616 DEBUG
>> >> >>> org.apache.hadoop.hbase.regionserver.HRegion:
>> >> >>> > No more row locks outstanding on region
>> >> >>> >
>> >> >>>
>> >>
>> HB_GS_DA27-THREEGPPSPEECHCALLS-1279775045580-1,7FBFE9280B269FCEAA5376D58C7E2661,1279778971702
>> >> >>> > 2010-07-22 06:51:58,616 DEBUG
>> >> org.apache.hadoop.hbase.regionserver.Store:
>> >> >>> > closed d
>> >> >>> > 2010-07-22 06:51:58,616 DEBUG
>> >> org.apache.hadoop.hbase.regionserver.Store:
>> >> >>> > closed i
>> >> >>> > 2010-07-22 06:51:58,616 DEBUG
>> >> org.apache.hadoop.hbase.regionserver.Store:
>> >> >>> > closed v
>> >> >>> > 2010-07-22 06:51:58,616 INFO
>> >> >>> org.apache.hadoop.hbase.regionserver.HRegion:
>> >> >>> > Closed
>> >> >>> >
>> >> >>>
>> >>
>> HB_GS_DA27-THREEGPPSPEECHCALLS-1279775045580-1,7FBFE9280B269FCEAA5376D58C7E2661,1279778971702
>> >> >>> > 2010-07-22 06:51:58,616 DEBUG
>> >> org.apache.hadoop.hbase.regionserver.HLog:
>> >> >>> > closing hlog writer in hdfs://
>> >> >>> >
>> >> >>>
>> >>
>> sjc1-hadoop0.sjc1.carrieriq.com:9000/hbase/.logs/sjc1-hadoop3.sjc1.carrieriq.com,60020,1279771642437
>> >> >>> > 2010-07-22 06:51:58,680 WARN org.apache.hadoop.hdfs.DFSClient:
>> >> >>> DataStreamer
>> >> >>> > Exception: org.apache.hadoop.ipc.RemoteException:
>> >> >>> > org.apache.hadoop.hdfs.server.namenode.LeaseExpiredException:
No
>> >> lease on
>> >> >>> > /hbase/.logs/sjc1-hadoop3.sjc1.carrieriq.com
>> >> >>> ,60020,1279771642437/hlog.dat.1279778848475
>> >> >>> > File does not exist. Holder DFSClient_-1462018795 does
not have
>> any
>> >> open
>> >> >>> > files.
>> >> >>> >    at
>> >> >>> >
>> >> >>>
>> >>
>> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkLease(FSNamesystem.java:1378)
>> >> >>> >    at
>> >> >>> >
>> >> >>>
>> >>
>> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkLease(FSNamesystem.java:1369)
>> >> >>> >    at
>> >> >>> >
>> >> >>>
>> >>
>> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:1290)
>> >> >>> >    at
>> >> >>> >
>> >> >>>
>> >>
>> org.apache.hadoop.hdfs.server.namenode.NameNode.addBlock(NameNode.java:469)
>> >> >>> >    at
>> >> >>> >
>> >> >>>
>> >>
>> org.apache.hadoop.hdfs.server.namenode.NameNode.addBlock(NameNode.java:451)
>> >> >>> >    at sun.reflect.GeneratedMethodAccessor52.invoke(Unknown
>> Source)
>> >> >>> >    at
>> >> >>> >
>> >> >>>
>> >>
>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>> >> >>> >    at java.lang.reflect.Method.invoke(Method.java:597)
>> >> >>> >    at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:512)
>> >> >>> >    at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:968)
>> >> >>> >    at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:964)
>> >> >>> >    at java.security.AccessController.doPrivileged(Native
Method)
>> >> >>> >    at javax.security.auth.Subject.doAs(Subject.java:396)
>> >> >>> >    at org.apache.hadoop.ipc.Server$Handler.run(Server.java:962)
>> >> >>> >
>> >> >>> >    at org.apache.hadoop.ipc.Client.call(Client.java:740)
>> >> >>> >    at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:220)
>> >> >>> >    at $Proxy1.addBlock(Unknown Source)
>> >> >>> >    at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown
Source)
>> >> >>> >    at
>> >> >>> >
>> >> >>>
>> >>
>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>> >> >>> >    at java.lang.reflect.Method.invoke(Method.java:597)
>> >> >>> >    at
>> >> >>> >
>> >> >>>
>> >>
>> org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:82)
>> >> >>> >    at
>> >> >>> >
>> >> >>>
>> >>
>> org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:59)
>> >> >>> >    at $Proxy1.addBlock(Unknown Source)
>> >> >>> >    at
>> >> >>> >
>> >> >>>
>> >>
>> org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.locateFollowingBlock(DFSClient.java:2937)
>> >> >>> >    at
>> >> >>> >
>> >> >>>
>> >>
>> org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.nextBlockOutputStream(DFSClient.java:2819)
>> >> >>> >    at
>> >> >>> >
>> >> >>>
>> >>
>> org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.access$2000(DFSClient.java:2102)
>> >> >>> >    at
>> >> >>> >
>> >> >>>
>> >>
>> org.apache.hadoop.hdfs.DFSClient$DFSOutputStream$DataStreamer.run(DFSClient.java:2288)
>> >> >>> >
>> >> >>> > 2010-07-22 06:51:58,680 WARN org.apache.hadoop.hdfs.DFSClient:
>> Error
>> >> >>> > Recovery for block null bad datanode[0] nodes == null
>> >> >>> > 2010-07-22 06:51:58,680 WARN org.apache.hadoop.hdfs.DFSClient:
>> Could
>> >> not
>> >> >>> get
>> >> >>> > block locations. Source file
>> >> >>> > "/hbase/.logs/sjc1-hadoop3.sjc1.carrieriq.com
>> >> >>> ,60020,1279771642437/hlog.dat.1279778848475"
>> >> >>> > - Aborting...
>> >> >>> > 2010-07-22 06:51:58,682 ERROR
>> >> >>> > org.apache.hadoop.hbase.regionserver.HRegionServer: Close
and
>> delete
>> >> >>> failed
>> >> >>> >
>> >> >>>
>> >> >>
>> >> >
>> >>
>> >
>>
>
>

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