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From Harsh J <ha...@cloudera.com>
Subject Re: Hbase
Date Mon, 30 Apr 2012 07:19:42 GMT
Hey Wen,

First off, use the right Hadoop for HBase:
http://hbase.apache.org/book.html#hadoop - 0.20.203 isn't a version
that would work properly with HBase.

Regarding your trouble - did you notice something odd in your RegionServer logs?

On Wed, Apr 25, 2012 at 8:41 AM, wen yang <mengxiangzifeng@gmail.com> wrote:
> Hi,
>
> When I run a program including some basic operations on  HBase tables for
> several hours,Hbase stops.My  hadoop version is 0.20.203.0 and Hbase
> version is 0.90.4.
>
> The Hbase log is as follows:
>
> 2012-04-25 00:03:44,190 DEBUG org.apache.hadoop.hbase.master.HMaster: Not
> running balancer because 2 region(s) in transition:
> {1028785192=.META.,,1.1028785192 state=OFFLINE, ts=1335282353563,
> 70236052=-ROOT-,,0.70236052 state=OFFLINE, ts=1335282353505}
>
> 2012-04-25 00:08:44,190 DEBUG org.apache.hadoop.hbase.master.HMaster: Not
> running balancer because 2 region(s) in transition:
> {1028785192=.META.,,1.1028785192 state=OFFLINE, ts=1335282353563,
> 70236052=-ROOT-,,0.70236052 state=OFFLINE, ts=1335282353505}
>
> 2012-04-25 00:13:44,191 DEBUG org.apache.hadoop.hbase.master.HMaster: Not
> running balancer because 2 region(s) in transition:
> {1028785192=.META.,,1.1028785192 state=OFFLINE, ts=1335282353563,
> 70236052=-ROOT-,,0.70236052 state=OFFLINE, ts=1335282353505}
>
> 2012-04-25 00:15:55,056 INFO
> org.apache.hadoop.hbase.master.AssignmentManager: Regions in transition
> timed out:  .META.,,1.1028785192 state=OFFLINE, ts=1335282353563
>
> 2012-04-25 00:15:55,057 INFO
> org.apache.hadoop.hbase.master.AssignmentManager: Region has been OFFLINE
> for too long, reassigning .META.,,1.1028785192 to a random server
>
> 2012-04-25 00:15:55,057 INFO
> org.apache.hadoop.hbase.master.AssignmentManager: Regions in transition
> timed out:  -ROOT-,,0.70236052 state=OFFLINE, ts=1335282353505
>
> 2012-04-25 00:15:55,057 INFO
> org.apache.hadoop.hbase.master.AssignmentManager: Region has been OFFLINE
> for too long, reassigning -ROOT-,,0.70236052 to a random server
>
> 2012-04-25 00:15:55,057 DEBUG
> org.apache.hadoop.hbase.master.AssignmentManager: Forcing OFFLINE;
> was=.META.,,1.1028785192 state=OFFLINE, ts=1335282353563
>
> 2012-04-25 00:15:55,058 DEBUG
> org.apache.hadoop.hbase.master.AssignmentManager: Forcing OFFLINE;
> was=-ROOT-,,0.70236052 state=OFFLINE, ts=1335282353505
>
> 2012-04-25 00:18:44,190 DEBUG org.apache.hadoop.hbase.master.HMaster: Not
> running balancer because 2 region(s) in transition:
> {1028785192=.META.,,1.1028785192 state=OFFLINE, ts=1335284155057,
> 70236052=-ROOT-,,0.70236052 state=OFFLINE, ts=1335284155078}
>
> 2012-04-25 00:23:44,190 DEBUG org.apache.hadoop.hbase.master.HMaster: Not
> running balancer because 2 region(s) in transition:
> {1028785192=.META.,,1.1028785192 state=OFFLINE, ts=1335284155057,
> 70236052=-ROOT-,,0.70236052 state=OFFLINE, ts=1335284155078}
>
> 2012-04-25 00:28:44,190 DEBUG org.apache.hadoop.hbase.master.HMaster: Not
> running balancer because 2 region(s) in transition:
> {1028785192=.META.,,1.1028785192 state=OFFLINE, ts=1335284155057,
> 70236052=-ROOT-,,0.70236052 state=OFFLINE, ts=1335284155078}
>
> 2012-04-25 00:33:44,190 DEBUG org.apache.hadoop.hbase.master.HMaster: Not
> running balancer because 2 region(s) in transition:
> {1028785192=.META.,,1.1028785192 state=OFFLINE, ts=1335284155057,
> 70236052=-ROOT-,,0.70236052 state=OFFLINE, ts=1335284155078}
>
> 2012-04-25 00:38:44,190 DEBUG org.apache.hadoop.hbase.master.HMaster: Not
> running balancer because 2 region(s) in transition:
> {1028785192=.META.,,1.1028785192 state=OFFLINE, ts=1335284155057,
> 70236052=-ROOT-,,0.70236052 state=OFFLINE, ts=1335284155078}
>
> 2012-04-25 00:43:44,190 DEBUG org.apache.hadoop.hbase.master.HMaster: Not
> running balancer because 2 region(s) in transition:
> {1028785192=.META.,,1.1028785192 state=OFFLINE, ts=1335284155057,
> 70236052=-ROOT-,,0.70236052 state=OFFLINE, ts=1335284155078}
>
> 2012-04-25 00:45:55,073 INFO
> org.apache.hadoop.hbase.master.AssignmentManager: Regions in transition
> timed out:  .META.,,1.1028785192 state=OFFLINE, ts=1335284155057
>
> 2012-04-25 00:45:55,074 INFO
> org.apache.hadoop.hbase.master.AssignmentManager: Region has been OFFLINE
> for too long, reassigning .META.,,1.1028785192 to a random server
>
> 2012-04-25 00:45:55,074 DEBUG
> org.apache.hadoop.hbase.master.AssignmentManager: Forcing OFFLINE;
> was=.META.,,1.1028785192 state=OFFLINE, ts=1335284155057
>
> 2012-04-25 00:46:05,073 INFO
> org.apache.hadoop.hbase.master.AssignmentManager: Regions in transition
> timed out:  -ROOT-,,0.70236052 state=OFFLINE, ts=1335284155078
>
> 2012-04-25 00:46:05,073 INFO
> org.apache.hadoop.hbase.master.AssignmentManager: Region has been OFFLINE
> for too long, reassigning -ROOT-,,0.70236052 to a random server
>
> 2012-04-25 00:46:05,073 DEBUG
> org.apache.hadoop.hbase.master.AssignmentManager: Forcing OFFLINE;
> was=-ROOT-,,0.70236052 state=OFFLINE, ts=1335284155078
>
> 2012-04-25 00:48:44,191 DEBUG org.apache.hadoop.hbase.master.HMaster: Not
> running balancer because 2 region(s) in transition:
> {1028785192=.META.,,1.1028785192 state=OFFLINE, ts=1335285955074,
> 70236052=-ROOT-,,0.70236052 state=OFFLINE, ts=1335285965073}
>
> 2012-04-25 00:53:44,190 DEBUG org.apache.hadoop.hbase.master.HMaster: Not
> running balancer because 2 region(s) in transition:
> {1028785192=.META.,,1.1028785192 state=OFFLINE, ts=1335285955074,
> 70236052=-ROOT-,,0.70236052 state=OFFLINE, ts=1335285965073}
>
> 2012-04-25 00:58:44,191 DEBUG org.apache.hadoop.hbase.master.HMaster: Not
> running balancer because 2 region(s) in transition:
> {1028785192=.META.,,1.1028785192 state=OFFLINE, ts=1335285955074,
> 70236052=-ROOT-,,0.70236052 state=OFFLINE, ts=1335285965073}
>
> 2012-04-25 01:03:44,190 DEBUG org.apache.hadoop.hbase.master.HMaster: Not
> running balancer because 2 region(s) in transition:
> {1028785192=.META.,,1.1028785192 state=OFFLINE, ts=1335285955074,
> 70236052=-ROOT-,,0.70236052 state=OFFLINE, ts=1335285965073}
>
> 2012-04-25 01:08:44,190 DEBUG org.apache.hadoop.hbase.master.HMaster: Not
> running balancer because 2 region(s) in transition:
> {1028785192=.META.,,1.1028785192 state=OFFLINE, ts=1335285955074,
> 70236052=-ROOT-,,0.70236052 state=OFFLINE, ts=1335285965073}
>
> 2012-04-25 01:13:44,190 DEBUG org.apache.hadoop.hbase.master.HMaster: Not
> running balancer because 2 region(s) in transition:
> {1028785192=.META.,,1.1028785192 state=OFFLINE, ts=1335285955074,
> 70236052=-ROOT-,,0.70236052 state=OFFLINE, ts=1335285965073}
>
> 2012-04-25 01:15:55,094 INFO
> org.apache.hadoop.hbase.master.AssignmentManager: Regions in transition
> timed out:  .META.,,1.1028785192 state=OFFLINE, ts=1335285955074
>
> 2012-04-25 01:15:55,094 INFO
> org.apache.hadoop.hbase.master.AssignmentManager: Region has been OFFLINE
> for too long, reassigning .META.,,1.1028785192 to a random server
>
> 2012-04-25 01:15:55,094 DEBUG
> org.apache.hadoop.hbase.master.AssignmentManager: Forcing OFFLINE;
> was=.META.,,1.1028785192 state=OFFLINE, ts=1335285955074
>
> 2012-04-25 01:16:05,093 INFO
> org.apache.hadoop.hbase.master.AssignmentManager: Regions in transition
> timed out:  -ROOT-,,0.70236052 state=OFFLINE, ts=1335285965073
>
> 2012-04-25 01:16:05,093 INFO
> org.apache.hadoop.hbase.master.AssignmentManager: Region has been OFFLINE
> for too long, reassigning -ROOT-,,0.70236052 to a random server
>
> 2012-04-25 01:16:05,093 DEBUG
> org.apache.hadoop.hbase.master.AssignmentManager: Forcing OFFLINE;
> was=-ROOT-,,0.70236052 state=OFFLINE, ts=1335285965073
>
> 2012-04-25 01:18:44,190 DEBUG org.apache.hadoop.hbase.master.HMaster: Not
> running balancer because 2 region(s) in transition:
> {1028785192=.META.,,1.1028785192 state=OFFLINE, ts=1335287755094,
> 70236052=-ROOT-,,0.70236052 state=OFFLINE, ts=1335287765093}
>
> 2012-04-25 01:23:44,190 DEBUG org.apache.hadoop.hbase.master.HMaster: Not
> running balancer because 2 region(s) in transition:
> {1028785192=.META.,,1.1028785192 state=OFFLINE, ts=1335287755094,
> 70236052=-ROOT-,,0.70236052 state=OFFLINE, ts=1335287765093}
>
> 2012-04-25 01:28:44,190 DEBUG org.apache.hadoop.hbase.master.HMaster: Not
> running balancer because 2 region(s) in transition:
> {1028785192=.META.,,1.1028785192 state=OFFLINE, ts=1335287755094,
> 70236052=-ROOT-,,0.70236052 state=OFFLINE, ts=1335287765093}
>
> 2012-04-25 01:33:44,190 DEBUG org.apache.hadoop.hbase.master.HMaster: Not
> running balancer because 2 region(s) in transition:
> {1028785192=.META.,,1.1028785192 state=OFFLINE, ts=1335287755094,
> 70236052=-ROOT-,,0.70236052 state=OFFLINE, ts=1335287765093}
>
> 2012-04-25 01:38:44,190 DEBUG org.apache.hadoop.hbase.master.HMaster: Not
> running balancer because 2 region(s) in transition:
> {1028785192=.META.,,1.1028785192 state=OFFLINE, ts=1335287755094,
> 70236052=-ROOT-,,0.70236052 state=OFFLINE, ts=1335287765093}
>
> 2012-04-25 01:43:44,191 DEBUG org.apache.hadoop.hbase.master.HMaster: Not
> running balancer because 2 region(s) in transition:
> {1028785192=.META.,,1.1028785192 state=OFFLINE, ts=1335287755094,
> 70236052=-ROOT-,,0.70236052 state=OFFLINE, ts=1335287765093}
>
> 2012-04-25 01:45:55,114 INFO
> org.apache.hadoop.hbase.master.AssignmentManager: Regions in transition
> timed out:  .META.,,1.1028785192 state=OFFLINE, ts=1335287755094
>
>
> When I was asked about this I had no answer about why it happened and how
> to resolve it .
> Hopefully you can bring light into this! Thank you!
>
> Kind regards,
> wen yang



-- 
Harsh J

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