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https://issues.apache.org/jira/browse/HIVE-11671?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rajesh Balamohan updated HIVE-11671:
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Attachment: cpu_with_patch.png
mem_with_patch.png
cpu_without_patch.png
mem_without_patch.png
||Query (with DPP codepath)||Before Patch: Explain Plan (time in
seconds)||After Patch: Explain Plan (time in seconds)||
|large_query_1| 349.346 | 38.513 |
|large_query_2| 732.198 |76.406|
|large_query_3| 18.273 |4.051|
|large_query_4| 17.678 |4.693|
|large_query_5| 3.943 |2.896|
> Optimize RuleRegExp in DPP codepath
> -----------------------------------
>
> Key: HIVE-11671
> URL: https://issues.apache.org/jira/browse/HIVE-11671
> Project: Hive
> Issue Type: Sub-task
> Reporter: Rajesh Balamohan
> Attachments: HIVE-11671.1.patch, cpu_with_patch.png,
> cpu_without_patch.png, mem_with_patch.png, mem_without_patch.png
>
>
> When running a large query with DPP in its codepath, RuleRegExp came up as
> hotspot. Creating this JIRA to optimize RuleRegExp.java.
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