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Posted to issues-all@impala.apache.org by "ASF subversion and git services (Jira)" <ji...@apache.org> on 2020/01/31 06:42:00 UTC
[jira] [Commented] (IMPALA-4080) Share codegen work between
fragment instances
[ https://issues.apache.org/jira/browse/IMPALA-4080?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17027229#comment-17027229 ]
ASF subversion and git services commented on IMPALA-4080:
---------------------------------------------------------
Commit ba00551581b9ba87fc478eaa16ecaab043d378f5 in impala's branch refs/heads/master from Bikramjeet Vig
[ https://gitbox.apache.org/repos/asf?p=impala.git;h=ba00551 ]
IMPALA-4080 [part 1]: Move codegen code from aggregation exec nodes to
their plan nodes
Refactored code to move codegen code from aggregation exec nodes to
their plan nodes. Added some TODOs that will be fixed in the next few
patch.
Testing:
- Ran queries and confirmed manually that the codegened code works.
- Ran all e2e tests for agg nodes and partition joins.
Change-Id: I58f52a262ac7d0af259d5bcda72ada93a851d3b2
Reviewed-on: http://gerrit.cloudera.org:8080/15053
Reviewed-by: Csaba Ringhofer <cs...@cloudera.com>
Tested-by: Impala Public Jenkins <im...@cloudera.com>
> 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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