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https://issues.apache.org/jira/browse/HBASE-2606?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sam Pullara updated HBASE-2606:
-------------------------------
Attachment: info.tar.gz
These are the 3 log files for .META. before the major_compaction that fixes the
issue:
[r...@rytym ~]# hadoop fs -ls /hbase/.META./102*/info
Found 2 items
-rw-r--r-- 3 root supergroup 5397 2010-05-23 13:30
/hbase/.META./1028785192/info/1715090119177974984
-rw-r--r-- 3 root supergroup 889 2010-05-23 16:02
/hbase/.META./1028785192/info/558364561142792861
[r...@rytym ~]# hbase shell
HBase Shell; enter 'help<RETURN>' for list of supported commands.
Version: 0.20.4, r941076, Tue May 4 16:23:06 PDT 2010
hbase(main):001:0> flush '.META.'
0 row(s) in 0.0410 seconds
hbase(main):002:0> quit
[r...@rytym ~]# hadoop fs -ls /hbase/.META./102*/info
Found 3 items
-rw-r--r-- 3 root supergroup 5397 2010-05-23 13:30
/hbase/.META./1028785192/info/1715090119177974984
-rw-r--r-- 3 root supergroup 889 2010-05-23 16:02
/hbase/.META./1028785192/info/558364561142792861
-rw-r--r-- 3 root supergroup 2498 2010-05-23 16:16
/hbase/.META./1028785192/info/6863843601709995931
> NativeException: org.apache.hadoop.hbase.client.NoServerForRegionException:
> No server address listed in .META. for region item,,1274235159640
> ----------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: HBASE-2606
> URL: https://issues.apache.org/jira/browse/HBASE-2606
> Project: Hadoop HBase
> Issue Type: Bug
> Affects Versions: 0.20.4
> Environment: Linux x86_64, java 1.6.0_20, hbase 0.20.4, CDH3
> Reporter: Sam Pullara
> Fix For: 0.20.5
>
> Attachments: info.tar.gz
>
>
> Though the region is listed when you attempt to access it you get an error
> that it is not assigned to a region. In the log you find this repeating over
> and over:
> 2010-05-23 16:10:08,958 INFO org.apache.hadoop.hbase.master.ServerManager: 1
> region servers, 0 dead, average load 5.0
> 2010-05-23 16:10:09,519 INFO org.apache.hadoop.hbase.master.BaseScanner:
> RegionManager.rootScanner scanning meta region {server: 10.211.55.4:60020,
> regionname: -ROOT-,,0, startKey: <>}
> 2010-05-23 16:10:09,529 INFO org.apache.hadoop.hbase.master.BaseScanner:
> RegionManager.rootScanner scan of 1 row(s) of meta region {server:
> 10.211.55.4:60020, regionname: -ROOT-,,0, startKey: <>} complete
> 2010-05-23 16:10:52,178 INFO org.apache.hadoop.hbase.master.BaseScanner:
> RegionManager.metaScanner scanning meta region {server: 10.211.55.4:60020,
> regionname: .META.,,1, startKey: <>}
> 2010-05-23 16:10:52,188 DEBUG org.apache.hadoop.hbase.master.BaseScanner:
> Current assignment of item,,1274235159640 is not valid; serverAddress=,
> startCode=0 unknown.
> 2010-05-23 16:10:52,193 INFO org.apache.hadoop.hbase.master.BaseScanner:
> RegionManager.metaScanner scan of 3 row(s) of meta region {server:
> 10.211.55.4:60020, regionname: .META.,,1, startKey: <>} complete
> 2010-05-23 16:10:52,193 INFO org.apache.hadoop.hbase.master.BaseScanner: All
> 1 .META. region(s) scanned
> 2010-05-23 16:10:53,139 INFO org.apache.hadoop.hbase.master.RegionManager:
> Assigning region item,,1274235159640 to hbase,60020,1274655730505
> 2010-05-23 16:10:53,143 INFO org.apache.hadoop.hbase.master.ServerManager:
> Processing MSG_REPORT_OPEN: item,,1274235159640 from
> hbase,60020,1274655730505; 1 of 1
> 2010-05-23 16:10:53,143 DEBUG org.apache.hadoop.hbase.master.HMaster:
> Processing todo: PendingOpenOperation from hbase,60020,1274655730505
> 2010-05-23 16:10:53,143 INFO
> org.apache.hadoop.hbase.master.RegionServerOperation: item,,1274235159640
> open on 10.211.55.4:60020
> 2010-05-23 16:10:53,146 INFO
> org.apache.hadoop.hbase.master.RegionServerOperation: Updated row
> item,,1274235159640 in region .META.,,1 with startcode=1274655730505,
> server=10.211.55.4:60020
> Doing a flush and a major_compaction of the table resets it. I have a VM
> snapshot that has the behavior and it is reproducible at will. Attached are
> the log files from the .META. region at jdcryans request.
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