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From "Enis Soztutar (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-7546) Obtain a table read lock on region split operations
Date Sun, 24 Feb 2013 09:34:16 GMT

    [ https://issues.apache.org/jira/browse/HBASE-7546?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13585331#comment-13585331
] 

Enis Soztutar commented on HBASE-7546:
--------------------------------------

bq. I think this read lock will be needed for SPLIT. There is no protection from avoiding
split to happen while enable/disable is going on right?
Yes, this patch basically introduces acquiring read lock on the table during split. Table
enable/disable acquires a write lock. 
                
> Obtain a table read lock on region split operations
> ---------------------------------------------------
>
>                 Key: HBASE-7546
>                 URL: https://issues.apache.org/jira/browse/HBASE-7546
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Enis Soztutar
>            Assignee: Enis Soztutar
>         Attachments: hbase-7546_v1.patch, hbase-7546_v2.patch, hbase-7546_v3.patch
>
>
> As discussed in the parent issue HBASE-7305, we should be coordinating between splits
and table operations to ensure that they don't happen at the same time. In this issue we will
acquire shared read locks for region splits. 

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