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From Marco Gallotta <ma...@gallotta.co.za>
Subject Re: Table listed in "list", but not in .META.
Date Fri, 10 Aug 2012 23:40:14 GMT
It's in /var which is persistent across reboots.

-- 
Marco Gallotta | Mountain View, California
Software Engineer, Infrastructure | Loki Studios
fb.me/marco.gallotta | twitter.com/marcog
marco@gallotta.co.za | +1 (650) 417-3313

Sent with Sparrow (http://www.sparrowmailapp.com/?sig)


On Friday 10 August 2012 at 4:31 PM, anil gupta wrote:

> Where are you storing your hdfs data? Is it /tmp? If it's /tmp and you have
> rebooted your machined then you will have problems.
> 
> On Fri, Aug 10, 2012 at 4:19 PM, Marco Gallotta <marco@gallotta.co.za (mailto:marco@gallotta.co.za)>wrote:
> 
> > It's a pseudo-distributed cluster, as I plan to add more nodes as we start
> > gathering more data.
> > 
> > I get the following error when running hbck -repair, and then it stalls:
> > 
> > 12/08/10 16:17:27 INFO util.HBaseFsck: Sleeping 10000ms before re-checking
> > after fix...
> > Version: 0.94.0
> > 12/08/10 16:17:37 INFO util.HBaseFsck: Loading regioninfos HDFS
> > 12/08/10 16:17:37 INFO util.HBaseFsck: Loading HBase regioninfo from
> > HDFS...
> > Exception in thread "main" java.util.concurrent.RejectedExecutionException
> > at
> > java.util.concurrent.ThreadPoolExecutor$AbortPolicy.rejectedExecution(ThreadPoolExecutor.java:1956)
> > at
> > java.util.concurrent.ThreadPoolExecutor.reject(ThreadPoolExecutor.java:816)
> > at
> > java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1337)
> > at
> > org.apache.hadoop.hbase.util.HBaseFsck.loadHdfsRegionDirs(HBaseFsck.java:1059)
> > at
> > org.apache.hadoop.hbase.util.HBaseFsck.restoreHdfsIntegrity(HBaseFsck.java:504)
> > at
> > org.apache.hadoop.hbase.util.HBaseFsck.offlineHdfsIntegrityRepair(HBaseFsck.java:304)
> > at org.apache.hadoop.hbase.util.HBaseFsck.onlineHbck(HBaseFsck.java:377)
> > at org.apache.hadoop.hbase.util.HBaseFsck.main(HBaseFsck.java:3139)
> > 
> > 
> > 
> > --
> > Marco Gallotta | Mountain View, California
> > Software Engineer, Infrastructure | Loki Studios
> > fb.me/marco.gallotta (http://fb.me/marco.gallotta) | twitter.com/marcog (http://twitter.com/marcog)
> > marco@gallotta.co.za (mailto:marco@gallotta.co.za) | +1 (650) 417-3313
> > 
> > Sent with Sparrow (http://www.sparrowmailapp.com/?sig)
> > 
> > 
> > On Friday 10 August 2012 at 4:09 PM, anil gupta wrote:
> > 
> > > Is it a standalone installation or pseudo-distributed?
> > > I faced a similar problem a few days back in a distributed cluster and
> > > 
> > 
> > used
> > > hbck -repair option. You might give it a try.
> > > 
> > > ~Anil
> > > 
> > > On Fri, Aug 10, 2012 at 3:39 PM, Mohammad Tariq <dontariq@gmail.com (mailto:dontariq@gmail.com)(mailto:
> > dontariq@gmail.com (mailto:dontariq@gmail.com))> wrote:
> > > 
> > > > Could you please share your /etc/hosts file??Meantime, do a manual
> > > > compaction and see if ti works.
> > > > 
> > > > Regards,
> > > > Mohammad Tariq
> > > > 
> > > > 
> > > > On Sat, Aug 11, 2012 at 4:07 AM, Marco Gallotta <marco@gallotta.co.za
(mailto:marco@gallotta.co.za)(mailto:
> > marco@gallotta.co.za (mailto:marco@gallotta.co.za))>
> > > > wrote:
> > > > > It's not a distributed cluster. I'm not processing enough data yet.
> > > > 
> > > > 
> > > 
> > 
> > So
> > > > 
> > > > the reference to localhost is correct.
> > > > > 
> > > > > --
> > > > > Marco Gallotta | Mountain View, California
> > > > > Software Engineer, Infrastructure | Loki Studios
> > > > > fb.me/marco.gallotta (http://fb.me/marco.gallotta) |
> > > > > 
> > > > 
> > > > 
> > > 
> > 
> > twitter.com/marcog (http://twitter.com/marcog)
> > > > > marco@gallotta.co.za (mailto:marco@gallotta.co.za) | +1 (650)
> > > > 
> > > 
> > 
> > 417-3313
> > > > > 
> > > > > Sent with Sparrow (http://www.sparrowmailapp.com/?sig)
> > > > > 
> > > > > 
> > > > > On Friday 10 August 2012 at 3:30 PM, anil gupta wrote:
> > > > > 
> > > > > > Are you running a distributed cluster?
> > > > > > If yes, do you have localhost in /etc/hosts file?
> > > > > > 
> > > > > > You are getting reference to localhost in hbck output:
> > > > > > ERROR: Region { meta => null, hdfs =>
> > > > > > hdfs://localhost:9000/hbase/test2/b0d4a5f294809c94fccb3d4ce10c3b23,
> > > > > > deployed => } on HDFS, but not listed in META or deployed
on any
> > > > > > 
> > > > > 
> > > > > 
> > > > 
> > > 
> > 
> > region
> > > > > > server
> > > > > > 
> > > > > > ~Anil
> > > > > > 
> > > > > > On Fri, Aug 10, 2012 at 3:08 PM, Marco Gallotta <
> > marco@gallotta.co.za (mailto:marco@gallotta.co.za)(mailto:
> > > > marco@gallotta.co.za (mailto:marco@gallotta.co.za))>wrote:
> > > > > > 
> > > > > > > Here's the output from hbck -details:
> > http://pastebin.com/ZxVZEctY
> > > > > > > 
> > > > > > > Extract:
> > > > > > > 
> > > > > > > 6 inconsistencies detected.
> > > > > > > Status: INCONSISTENT
> > > > > > > 
> > > > > > > 6 is the number of tables that appear in "list" but cannot
be
> > > > operated on
> > > > > > > (which btw, includes not being able to run disable/drop
on them -
> > > > > > 
> > > > > 
> > > > 
> > > > 
> > > > both ops
> > > > > > > say table not found). I also just noticed "foo" does not
occur
> > > > > > 
> > > > > 
> > > > 
> > > > 
> > > 
> > 
> > in a
> > > > > > 
> > > > > 
> > > > 
> > > > 
> > > > table
> > > > > > > list, although I did create it at one point but was able
to
> > > > > > 
> > > > > 
> > > > 
> > > > 
> > > 
> > 
> > clear it
> > > > > > 
> > > > > 
> > > > 
> > > > 
> > > > from
> > > > > > > .META. when it also was reporting table not found when
trying to
> > > > > > > disable/drop it. All these come from when I ^C'ed (i.e.
killed)
> > > > > > > 
> > > > > > 
> > > > > 
> > > > 
> > > > 
> > > 
> > 
> > table
> > > > > > > creation when I was trying to get lzo compression working
and
> > > > > > 
> > > > > 
> > > > 
> > > 
> > 
> > table
> > > > > > > creation was hanging.
> > > > > > > 
> > > > > > > Is there any way to repair this? I see hbck has repair
options,
> > but I
> > > > want
> > > > > > > to proceed with caution.
> > > > > > > 
> > > > > > > --
> > > > > > > Marco Gallotta | Mountain View, California
> > > > > > > Software Engineer, Infrastructure | Loki Studios
> > > > > > > fb.me/marco.gallotta (http://fb.me/marco.gallotta) |
> > > > > > > 
> > > > > > 
> > > > > 
> > > > 
> > > > 
> > > > twitter.com/marcog (http://twitter.com/marcog)
> > > > > > > marco@gallotta.co.za (mailto:marco@gallotta.co.za) | +1
(650)
> > > > > > 
> > > > > 
> > > > 
> > > > 
> > > > 417-3313
> > > > > > > 
> > > > > > > Sent with Sparrow (http://www.sparrowmailapp.com/?sig)
> > > > > > > 
> > > > > > > 
> > > > > > > On Friday 10 August 2012 at 2:49 PM, anil gupta wrote:
> > > > > > > 
> > > > > > > > Hi Marco,
> > > > > > > > 
> > > > > > > > Did anything disastrous happen to cluster?
> > > > > > > > Can you try using hbck utility of HBase.
> > > > > > > > Run: 'hbase hbck -help' to get all the available options.
> > > > > > > > 
> > > > > > > > ~Anil
> > > > > > > > 
> > > > > > > > On Fri, Aug 10, 2012 at 2:22 PM, Marco Gallotta <
> > > > marco@gallotta.co.za (mailto:marco@gallotta.co.za)(mailto:
> > > > > > > marco@gallotta.co.za (mailto:marco@gallotta.co.za))>wrote:
> > > > > > > > 
> > > > > > > > > Hi there
> > > > > > > > > 
> > > > > > > > > I have a few tables which show up in a "list"
in the shell,
> > but
> > > > produce
> > > > > > > > > "table not found" when performing any operation
on them.
> > > > > > > > 
> > > > > > > 
> > > > > > 
> > > > > 
> > > > 
> > > > 
> > > 
> > 
> > There is
> > > > > > > > 
> > > > > > > 
> > > > > > 
> > > > > 
> > > > 
> > > > 
> > > > no
> > > > > > > > > reference of them in the .META. table. It seems
to be
> > > > > > > > 
> > > > > > > 
> > > > > > 
> > > > > 
> > > > 
> > > > 
> > > 
> > 
> > resulting in
> > > > > > > > 
> > > > > > > 
> > > > > > > 
> > > > > > > 
> > > > > > > some of
> > > > > > > > > the hbase services being killed every so often.
> > > > > > > > > 
> > > > > > > > > Here are some logs from master (foo is one of
the tables not
> > > > found):
> > > > > > > > > 
> > > > > > > > > 2012-08-09 20:40:44,301 FATAL
> > > > org.apache.hadoop.hbase.master.HMaster:
> > > > > > > > > Master server abort: loaded coprocessors are:
[]
> > > > > > > > > 2012-08-09 20:40:44,301 FATAL
> > > > > > > > > 
> > > > > > > > 
> > > > > > > 
> > > > > > 
> > > > > 
> > > > 
> > > > 
> > > > org.apache.hadoop.hbase.master.HMaster:
> > > > > > > > > Unexpected state :
> > > > > > > > 
> > > > > > > 
> > > > > > 
> > > > > 
> > > > 
> > > > 
> > > > foo,,1343175078663.527bb34f4bb5e40dd42e82054d7c5485.
> > > > > > > > > state=PENDING_OPEN, ts=1344570044277,
> > > > > > > > 
> > > > > > > 
> > > > > > 
> > > > > 
> > > > 
> > > > 
> > > > server=ip-10-170-150-10.us-west-1.compute.internal,60020,1344559455110
> > > > > > > > > 
> > > > > > > > 
> > > > > > > 
> > > > > > > 
> > > > > > > 
> > > > > > > ..
> > > > > > > > > Cannot transit it to OFFLINE.
> > > > > > > > > 
> > > > > > > > > 
> > > > > > > > > There are also a number of the following types
of error logs:
> > > > > > > > > 
> > > > > > > > > 2012-08-09 20:10:04,308 ERROR
> > > > > > > > > org.apache.hadoop.hbase.master.AssignmentManager:
Failed
> > > > > > > > > 
> > > > > > > > 
> > > > > > > 
> > > > > > > 
> > > > > > 
> > > > > 
> > > > 
> > > > 
> > > > assignment in:
> > > > > > > > > 
> > > > > > > > 
> > > > > > > 
> > > > > > 
> > > > > 
> > > > 
> > > > 
> > > 
> > 
> > ip-10-170-150-10.us-west-1.compute.internal,60020,1344559455110
> > > > > > > > 
> > > > > > > 
> > > > > > 
> > > > > 
> > > > 
> > > > 
> > > > due to
> > > > > > > > > 
> > > > > > > > 
> > > > > > > 
> > > > > > 
> > > > > 
> > > > 
> > > > 
> > > 
> > 
> > org.apache.hadoop.hbase.regionserver.RegionAlreadyInTransitionException:
> > > > > > > > > Received:OPEN for the
> > > > > > > > > region:foo,,1343175078663.527bb34f4bb5e40dd42e82054d7c5485.
> > > > > > > > > 
> > > > > > > > 
> > > > > > > 
> > > > > > 
> > > > > 
> > > > 
> > > > 
> > > > ,which we
> > > > > > > > > 
> > > > > > > > 
> > > > > > > 
> > > > > > > 
> > > > > > > 
> > > > > > > are
> > > > > > > > > already trying to OPEN.
> > > > > > > > > 
> > > > > > > > > Any ideas how to find and remove any references
to these
> > > > non-existent
> > > > > > > > > tables?
> > > > > > > > > 
> > > > > > > > > --
> > > > > > > > > Marco Gallotta | Mountain View, California
> > > > > > > > > Software Engineer, Infrastructure | Loki Studios
> > > > > > > > > fb.me/marco.gallotta (http://fb.me/marco.gallotta)
|
> > > > > > > > > 
> > > > > > > > 
> > > > > > > 
> > > > > > > 
> > > > > > > 
> > > > > > > twitter.com/marcog (http://twitter.com/marcog)
> > > > > > > > > marco@gallotta.co.za (mailto:marco@gallotta.co.za)
| +1
> > > > > > > > 
> > > > > > > 
> > > > > > > 
> > > > > > 
> > > > > 
> > > > 
> > > > 
> > > 
> > 
> > (650)
> > > > > > > > 
> > > > > > > 
> > > > > > 
> > > > > 
> > > > 
> > > > 
> > > > 417-3313
> > > > > > > > > 
> > > > > > > > > Sent with Sparrow (http://www.sparrowmailapp.com/?sig)
> > > > > > > > 
> > > > > > > > 
> > > > > > > > --
> > > > > > > > Thanks & Regards,
> > > > > > > > Anil Gupta
> > > > > > > > 
> > > > > > > 
> > > > > > 
> > > > > > 
> > > > > > 
> > > > > > 
> > > > > > 
> > > > > > --
> > > > > > Thanks & Regards,
> > > > > > Anil Gupta
> > > > > > 
> > > > > 
> > > > 
> > > > 
> > > 
> > > 
> > > 
> > > 
> > > 
> > > --
> > > Thanks & Regards,
> > > Anil Gupta
> > > 
> > 
> > 
> 
> 
> 
> -- 
> Thanks & Regards,
> Anil Gupta
> 
> 



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