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From "Abhishek Singh Chouhan (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (PHOENIX-5131) Make spilling to disk for order/group by configurable
Date Wed, 06 Mar 2019 20:06:00 GMT

     [ https://issues.apache.org/jira/browse/PHOENIX-5131?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Abhishek Singh Chouhan updated PHOENIX-5131:
--------------------------------------------
    Attachment: PHOENIX-5131-master.patch

> Make spilling to disk for order/group by configurable
> -----------------------------------------------------
>
>                 Key: PHOENIX-5131
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-5131
>             Project: Phoenix
>          Issue Type: Improvement
>            Reporter: Abhishek Singh Chouhan
>            Assignee: Abhishek Singh Chouhan
>            Priority: Major
>             Fix For: 4.15.0, 5.1.0
>
>         Attachments: PHOENIX-5131-master.patch
>
>
> We've observed that large queries, doing order/group by leading to issues on the regionserver
(crashes/long gc pauses/file handler exhaustion etc.). We should make spilling to disk configurable
and in case its disabled, fail the query once it hits the spilling limit on any of the region
servers. Also make spooling threshold server-side property only to prevent clients from controlling
memory allocation on the rs side.



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