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https://issues.apache.org/jira/browse/HBASE-8341?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13632336#comment-13632336
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Jonathan Hsieh commented on HBASE-8341:
---------------------------------------
Thanks!
> RestoreSnapshotHandler.prepare() is not called by SnapshotManager and
> TakeSnapshotHandler should first acquire the table lock
> ------------------------------------------------------------------------------------------------------------------------------
>
> Key: HBASE-8341
> URL: https://issues.apache.org/jira/browse/HBASE-8341
> Project: HBase
> Issue Type: Bug
> Reporter: Enis Soztutar
> Assignee: Enis Soztutar
> Fix For: 0.98.0, 0.95.1
>
> Attachments: hbase-8341_v1.patch
>
>
> In HBASE-7848, we added table lock to enabled/disabled snapshot handlers, and
> fixed SnapshotManager to call CloneSnapshotHandler.prepare() in HBASE-7957.
> It seems that we overlooked the RestoreSnapshotHandler.prepare(). In this
> issue we should fix that so that we acquire the table lock in restore
> snapshot.
> There is also a slightly related issue where TakeSnapshotHandler first loads
> the HTD, then acquires the table lock. The order should be swapped to guard
> against concurrent alter table statements.
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