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https://issues.apache.org/jira/browse/IMPALA-3262?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17062262#comment-17062262
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Ibraheem5 commented on IMPALA-3262:
-----------------------------------
Ibraheem5
> Investigate Codegen Performance
> -------------------------------
>
> Key: IMPALA-3262
> URL: https://issues.apache.org/jira/browse/IMPALA-3262
> Project: IMPALA
> Issue Type: Task
> Components: Perf Investigation
> Affects Versions: Impala 2.2.4
> Reporter: Alan Choi
> Assignee: Mostafa Mokhtar
> Priority: Minor
> Labels: codegen
> Attachments: LLVM CallStack.csv
>
>
> It has been observed that codegen for even relatively simple queries would
> take ~600ms. This is quite a significant overhead for fast queries.
> Investigate how to reduce the codegen time.
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