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https://issues.apache.org/jira/browse/HBASE-7501?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13552147#comment-13552147
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Lars Hofhansl commented on HBASE-7501:
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[~enis] Re: You first comment. I think transaction was meant. HBase has
provisions now to group Puts and Deletes into single row transaction and
(together with proper split policies) has multi row transactions (which would
be useful for splits).
> Introduce MetaEditor method that both adds and deletes rows in .META. table
> ---------------------------------------------------------------------------
>
> Key: HBASE-7501
> URL: https://issues.apache.org/jira/browse/HBASE-7501
> Project: HBase
> Issue Type: Bug
> Reporter: Ted Yu
> Assignee: Matteo Bertozzi
> Attachments: HBASE-7501-v0.patch, HBASE-7501-v1.patch
>
>
> In review of HBASE-7365, MetaEditor.deleteRegions() and
> MetaEditor.addRegionsToMeta() are used in
> RestoreSnapshotHandler.java.handleTableOperation() to apply changes to .META.
> I made following suggestion:
> Can we introduce new method in MetaEditor which takes List of Mutation's ?
> The Delete and Put would be grouped and then written to .META. table in one
> transaction.
> Jon responded:
> I like that idea -- then the todo/warning or follow on could refer to that
> method. When we fix it, it could get used in other multi row meta
> modifications like splits and table creation/deletion in general.
> See https://reviews.apache.org/r/8674/
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