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https://issues.apache.org/jira/browse/IMPALA-9156?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17011315#comment-17011315
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ASF subversion and git services commented on IMPALA-9156:
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Commit 1bf92120dd4cf7df3fd9764ef9fcb2b061b87644 in impala's branch
refs/heads/master from Tim Armstrong
[ https://gitbox.apache.org/repos/asf?p=impala.git;h=1bf9212 ]
IMPALA-9274: cyclic barrier implementation
This adds a synchronisation utility CyclicBarrier, which will be
used in IMPALA-9156 for orchestrating the hash join algorithm
with a shared build side and multiple hash join nodes.
Testing:
Add a unit test for the barier class.
Change-Id: Id5c8cc6b3023d2dc03c8116d462440c5e25c3bb0
Reviewed-on: http://gerrit.cloudera.org:8080/14973
Tested-by: Impala Public Jenkins <[email protected]>
Reviewed-by: Tim Armstrong <[email protected]>
> Share broadcast join builds between fragments
> ---------------------------------------------
>
> Key: IMPALA-9156
> URL: https://issues.apache.org/jira/browse/IMPALA-9156
> Project: IMPALA
> Issue Type: Improvement
> Components: Backend
> Reporter: Tim Armstrong
> Assignee: Tim Armstrong
> Priority: Major
> Labels: multithreading
>
> Following on from IMPALA-4224, which should add the logic to share a single
> builder between multiple probe sides.
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