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From "Devaraj Das (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-6758) [replication] The replication-executor should make sure the file that it is replicating is closed before declaring success on that file
Date Wed, 03 Oct 2012 19:14:08 GMT

    [ https://issues.apache.org/jira/browse/HBASE-6758?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13468751#comment-13468751
] 

Devaraj Das commented on HBASE-6758:
------------------------------------

Thanks, [~jdcryans] for looking at the patch. Actually, upon looking at the RegionServerServices
interface closely, I see that it extends the Server interface. So the problem you pointed
out could be addressed by making the affected constructors and methods (the ones that I changed
to have the new RegionServerServices argument) to have only RegionServerServices instead of
Server/Stoppable instances.

Will submit a patch soon. Hope that will look better.
                
> [replication] The replication-executor should make sure the file that it is replicating
is closed before declaring success on that file
> ---------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-6758
>                 URL: https://issues.apache.org/jira/browse/HBASE-6758
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Devaraj Das
>            Assignee: Devaraj Das
>            Priority: Critical
>             Fix For: 0.96.0
>
>         Attachments: 6758-1-0.92.patch, 6758-2-0.92.patch, 6758-trunk-1.patch, TEST-org.apache.hadoop.hbase.replication.TestReplication.xml
>
>
> I have seen cases where the replication-executor would lose data to replicate since the
file hasn't been closed yet. Upon closing, the new data becomes visible. Before that happens
the ZK node shouldn't be deleted in ReplicationSourceManager.logPositionAndCleanOldLogs. Changes
need to be made in ReplicationSource.processEndOfFile as well (currentPath related).

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