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https://issues.apache.org/jira/browse/IMPALA-4080?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17049790#comment-17049790
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ASF subversion and git services commented on IMPALA-4080:
---------------------------------------------------------
Commit 044969c6ea4aeeab37f1e8f13272a1affc8f7110 in impala's branch
refs/heads/master from Bikramjeet Vig
[ https://gitbox.apache.org/repos/asf?p=impala.git;h=044969c ]
IMPALA-4080 [part 6]: Move codegen from join's exec node to plan node
and from data sinks to their config classes
This patch moves the code responsible for codegening from partitioned
hash join's exec node to plan node and from all data sinks to their
respective config classes.
Testing:
Manually verified that codegen works for all modified exec nodes and
data sinks.
Ran all exhaustive tests successfully.
Change-Id: I8fe54b4040d6e3c2fc224f7cd6c8c0bfe813707a
Reviewed-on: http://gerrit.cloudera.org:8080/15322
Reviewed-by: Impala Public Jenkins <[email protected]>
Tested-by: Impala Public Jenkins <[email protected]>
> Share codegen work between fragment instances
> ---------------------------------------------
>
> Key: IMPALA-4080
> URL: https://issues.apache.org/jira/browse/IMPALA-4080
> Project: IMPALA
> Issue Type: Improvement
> Components: Backend
> Affects Versions: Impala 2.8.0
> Reporter: Tim Armstrong
> Assignee: Bikramjeet Vig
> Priority: Major
> Labels: codegen, multithreading
>
> With multithreading, we should find a way to share codegen modules between
> fragment instances to avoid redundant compilation, optimisation, etc.
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