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From "Kadir OZDEMIR (Jira)" <j...@apache.org>
Subject [jira] [Assigned] (PHOENIX-5503) IndexTool does not rebuild all the rows
Date Tue, 01 Oct 2019 20:48:00 GMT

     [ https://issues.apache.org/jira/browse/PHOENIX-5503?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kadir OZDEMIR reassigned PHOENIX-5503:
--------------------------------------

    Assignee: Kadir OZDEMIR

> IndexTool does not rebuild all the rows
> ---------------------------------------
>
>                 Key: PHOENIX-5503
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-5503
>             Project: Phoenix
>          Issue Type: Bug
>    Affects Versions: 5.0.0, 4.15.0, 4.14.3
>            Reporter: Kadir Ozdemir
>            Assignee: Kadir OZDEMIR
>            Priority: Major
>         Attachments: PHOENIX-5503.master.001.patch
>
>          Time Spent: 50m
>  Remaining Estimate: 0h
>
> IndexTool builds a subset of the rows of an index table. The rows that are created after
the time specified by the timestamp of the PTable (i.e., table metadata structure maintained
in memory) for the index table are not rebuilt. This timestamp is updated by the PTable builder,
that is,  at the time of creating the PTable structure int memory. Based on the comment on
the code (see IndexTool.getJob()), this is done to "ensure index tables remains consistent
post population".  Such consistency issue may exist for client side index build but PHOENIX-5018
(server side index build) does not have such an issue. However, PHOENIX-5018 did not change
this behavior. In order to upgrade an index table to PHOENIX-5156 (new index design), we need
to rebuild all the rows that are created before the table is upgraded (not before the timestamp
of the index table). Also, we may want to use the IndexTool rebuild an index table online.
In that case, we may want include as many rows as possible. This issue is to make sure that
IndexTool builds all the rows that exist at the time the tool starts running. 



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