[
https://issues.apache.org/jira/browse/HBASE-3198?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12928702#action_12928702
]
Kannan Muthukkaruppan commented on HBASE-3198:
----------------------------------------------
JD: Keep us posted. This looks important. Thanks for looking into this.
> HLog periodic roll doesn't seem to care about MemStores
> -------------------------------------------------------
>
> Key: HBASE-3198
> URL: https://issues.apache.org/jira/browse/HBASE-3198
> Project: HBase
> Issue Type: Bug
> Reporter: Jean-Daniel Cryans
> Assignee: Jean-Daniel Cryans
> Priority: Blocker
> Fix For: 0.90.0
>
>
> From the mailing list, Erdem Agaoglu found a case where when an HLog gets
> rolled from the periodic log roller and it gets archived even tho the region
> (ROOT) still has edits in the MemStore. I did an experiment on a local empty
> machine and it does look broken:
> {noformat}
> org.apache.hadoop.hbase.regionserver.LogRoller: Hlog roll period 6000ms
> elapsed
> org.apache.hadoop.hbase.regionserver.wal.SequenceFileLogWriter: Using syncFs
> -- HDFS-200
> org.apache.hadoop.hbase.regionserver.wal.HLog: Roll
> /hbase-89-su/.logs/hbasedev,60020,1288977933643/10.10.1.177%3A60020.1288977933829,
> entries=1,
> filesize=295. New hlog
> /hbase-89-su/.logs/hbasedev,60020,1288977933643/10.10.1.177%3A60020.1288977943913
> org.apache.hadoop.hbase.regionserver.wal.HLog: Found 1 hlogs to remove out
> of total 1; oldest outstanding sequenceid is 270055 from region -ROOT-,,0
> org.apache.hadoop.hbase.regionserver.wal.HLog: moving old hlog file
> /hbase-89-su/.logs/hbasedev,60020,1288977933643/10.10.1.177%3A60020.1288977933829
> whose highest sequenceid is 270054 to
> /hbase-89-su/.oldlogs/10.10.1.177%3A60020.1288977933829
> {noformat}
> Marking as Blocker and taking a deeper look.
--
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.
