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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-3943) Propagate compaction status from HRegion to HRegionInfo
Date Wed, 01 Jun 2011 17:32:47 GMT

     [ https://issues.apache.org/jira/browse/HBASE-3943?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ted Yu updated HBASE-3943:
--------------------------

    Attachment: 3943.txt

First attempt at solving this issue.

> Propagate compaction status from HRegion to HRegionInfo
> -------------------------------------------------------
>
>                 Key: HBASE-3943
>                 URL: https://issues.apache.org/jira/browse/HBASE-3943
>             Project: HBase
>          Issue Type: Bug
>          Components: master, regionserver
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>         Attachments: 3943.txt
>
>
> Load balancer works with HRegionInfo. However, compaction status is contained in HRegion.WriteState
> Users reported the following (Schubert Zhang):
> 1. A region have many files, the compacting takes long time.
> 2. But the balancer (default 5 minutes) close and move this region to
> another server.
> 3. Then, the compacting start again.
> 4. Then, then balancer close and move it to another server.
> Thus, the compacting cannot complete.
> Now, we set the balancer interval to 30 minutes to remission this issue.
> We need to propagate compaction status to HRegionInfo so that load balancer doesn't move
the region being compacted.

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