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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PHOENIX-4686) Phoenix stats does not account for server side limit push downs
Date Thu, 26 Apr 2018 19:10:00 GMT

    [ https://issues.apache.org/jira/browse/PHOENIX-4686?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16454714#comment-16454714
] 

Hudson commented on PHOENIX-4686:
---------------------------------

FAILURE: Integrated in Jenkins build Phoenix-4.x-HBase-1.3 #106 (See [https://builds.apache.org/job/Phoenix-4.x-HBase-1.3/106/])
PHOENIX-4686 Phoenix stats does not account for server side limit push (jtaylor: rev b173aaf79b282c8be1564d2be9981e7c11d40686)
* (edit) phoenix-core/src/main/java/org/apache/phoenix/iterate/BaseResultIterators.java
* (edit) phoenix-core/src/it/java/org/apache/phoenix/end2end/ExplainPlanWithStatsEnabledIT.java
* (edit) phoenix-core/src/main/java/org/apache/phoenix/execute/ScanPlan.java
* (edit) phoenix-core/src/main/java/org/apache/phoenix/iterate/ParallelIterators.java
* (edit) phoenix-core/src/main/java/org/apache/phoenix/iterate/SerialIterators.java
* (edit) phoenix-core/src/main/java/org/apache/phoenix/schema/stats/StatisticsUtil.java


> Phoenix stats does not account for server side limit push downs
> ---------------------------------------------------------------
>
>                 Key: PHOENIX-4686
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-4686
>             Project: Phoenix
>          Issue Type: Bug
>            Reporter: Abhishek Singh Chouhan
>            Assignee: Abhishek Singh Chouhan
>            Priority: Major
>             Fix For: 4.14.0, 5.0.0
>
>         Attachments: PHOENIX-4686-wip.master.patch, PHOENIX-4686.master.patch, PHOENIX-4686_v2.patch,
PHOENIX-4686_wip1.patch
>
>
> For a query like SELECT * FROM FOO LIMIT 10 the EST_BYTES_READ does not take into account
a limit correctly when there's no WHERE clause (or a WHERE clause that gets compiled out into
start/stop row key on the scan).



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