[jira] [Commented] (HBASE-7523) Snapshot attempt with the name of a previously taken snapshots fails sometimes.

["Jonathan Hsieh (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-7523?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13547751#comment-13547751 ] 

Jonathan Hsieh commented on HBASE-7523:
---------------------------------------

The core of this patch fixes a list removal bug that blocked a snapshot with the same name as a preivous snapshot to fail occasionally (it wasn't GC'ed before attempted again).  This bug was introduced when we switched to guava's mapmaker.  (an earlier rev had a custom map like structure that had slightly different behavior).

This patch also has a handful of typo fixes and logging improvements that were useful in hunting this down.
                
> Snapshot attempt with the name of a previously taken snapshots fails sometimes.
> -------------------------------------------------------------------------------
>
>                 Key: HBASE-7523
>                 URL: https://issues.apache.org/jira/browse/HBASE-7523
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Jonathan Hsieh
>
> In a test rig, we repeatedly snapshot, clone and delete a table with the same using the same set of snapshot names.  Sometimes, the snapshot request will be rejected until the hmaster is restarted.

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