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From Ted Yu <yuzhih...@gmail.com>
Subject Re: memstore flushing took long time
Date Thu, 22 Jul 2010 22:29:59 GMT
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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