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From "Josh Elser (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (PHOENIX-4807) Document query behavior when statistics unavailable for some table regions.
Date Tue, 10 Jul 2018 18:09:01 GMT

     [ https://issues.apache.org/jira/browse/PHOENIX-4807?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Josh Elser reassigned PHOENIX-4807:
-----------------------------------

    Assignee: Sergey Soldatov

> Document query behavior when statistics unavailable for some table regions.
> ---------------------------------------------------------------------------
>
>                 Key: PHOENIX-4807
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-4807
>             Project: Phoenix
>          Issue Type: Task
>            Reporter: Guru Prateek Pinnadhari
>            Assignee: Sergey Soldatov
>            Priority: Major
>
> When troubleshooting an issue with retrieval of duplicate records for a select query
on same PK, the behavior seen was: query plan's collection of Scan objects were such that
they led to generation of overlapping scans on a salted table's regions.
> A contributing factor was statistics being unavailable for the terminal regions of
the table. Filing Jira to add a note about this on [https://phoenix.apache.org/update_statistics.html]



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