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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-15691) Port HBASE-10205 (ConcurrentModificationException in BucketAllocator) to branch-1
Date Thu, 28 Apr 2016 20:31:12 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15691?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15262924#comment-15262924
] 

Andrew Purtell commented on HBASE-15691:
----------------------------------------

bq. Is there a reason why we are changing back to linked lists?

The reason is this patch was applied to only master and 0.98, leaving a discontinuity in history
and the code base.  If someone who knows more about the block cache ([~stack] ?) tells me
"it doesn't matter" than fine.  

bq. I am still seeing LinkedMaps on the master, moving back to linkedLists will probably undo
the optimizations done in HBASE-14624.

This is a backport issue so we could make another version of the patch that includes the changes
in HBASE-14624. 

> Port HBASE-10205 (ConcurrentModificationException in BucketAllocator) to branch-1
> ---------------------------------------------------------------------------------
>
>                 Key: HBASE-15691
>                 URL: https://issues.apache.org/jira/browse/HBASE-15691
>             Project: HBase
>          Issue Type: Sub-task
>    Affects Versions: 1.3.0
>            Reporter: Andrew Purtell
>            Assignee: Andrew Purtell
>             Fix For: 1.3.0, 1.2.2
>
>         Attachments: HBASE-15691-branch-1.patch
>
>
> HBASE-10205 was committed to trunk and 0.98 branches only. To preserve continuity we
should commit it to branch-1. The change requires more than nontrivial fixups so I will attach
a backport of the change from trunk to current branch-1 here. 



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