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https://issues.apache.org/jira/browse/IMPALA-5384?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16475391#comment-16475391
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ASF subversion and git services commented on IMPALA-5384:
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Commit 33f90cc74b3003c7657d003f522dc2cf20b3ba0c in impala's branch
refs/heads/master from [~dhecht]
[ https://git-wip-us.apache.org/repos/asf?p=impala.git;h=33f90cc ]
Add a missing PrintId()
For consistency, add a PrintId() around a query_id() used in a stream,
which was missing from this commit:
IMPALA-5384, part 2: Simplify Coordinator locking and clarify state
This change was put into the cherry-pick for 2.x, so:
Cherry-picks: not for 2.x
Change-Id: I701115fb7bc88cd034ddb7f0b99cf067ef2a7078
Reviewed-on: http://gerrit.cloudera.org:8080/10391
Reviewed-by: Tim Armstrong <tarmstr...@cloudera.com>
Tested-by: Impala Public Jenkins <impala-public-jenk...@cloudera.com>
> Simplify coordinator locking protocol
> -------------------------------------
>
> Key: IMPALA-5384
> URL: https://issues.apache.org/jira/browse/IMPALA-5384
> Project: IMPALA
> Issue Type: Improvement
> Affects Versions: Impala 2.9.0
> Reporter: Marcel Kornacker
> Assignee: Dan Hecht
> Priority: Major
>
> The coordinator has a central lock (lock_) which is used very liberally to
> synchronize state changes that don't need to be synchronized, creating a
> concurrency bottleneck.
> Also, the coordinator contains a number of data structures related to INSERT
> finalization that don't need to be part of and synchronized with the rest of
> the coordinator state.
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