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Posted to issues@phoenix.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2022/09/13 23:51:00 UTC

[jira] [Commented] (PHOENIX-6767) Traversing through all the guideposts to prepare parallel scans is not required for salted tables when the query is point lookup

    [ https://issues.apache.org/jira/browse/PHOENIX-6767?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17603816#comment-17603816 ] 

ASF GitHub Bot commented on PHOENIX-6767:
-----------------------------------------

gjacoby126 commented on PR #1493:
URL: https://github.com/apache/phoenix/pull/1493#issuecomment-1246064309

   @chrajeshbabu - looks like there are test failures in PhoenixTableLevelMetricsIT 

> Traversing through all the guideposts to prepare parallel scans is not required for salted tables when the query is point lookup
> --------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: PHOENIX-6767
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-6767
>             Project: Phoenix
>          Issue Type: Improvement
>            Reporter: Rajeshbabu Chintaguntla
>            Assignee: Rajeshbabu Chintaguntla
>            Priority: Major
>             Fix For: 5.2.0
>
>
> Currently even when the query is point lookup on salted table we are traversing through region boundaries or guideposts to create parallel scans which is not required and adding overhead to point lookup queries even we know the exact region or guide post need to be scanned to find the results. When the guide posts are high or number of regions are high leading higher latencies for point lookup query.



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