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From "ramkrishna.s.vasudevan (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (PHOENIX-1264) Add StatisticsCollector to existing tables on first connection to cluster
Date Wed, 24 Sep 2014 18:41:34 GMT

     [ https://issues.apache.org/jira/browse/PHOENIX-1264?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

ramkrishna.s.vasudevan updated PHOENIX-1264:
--------------------------------------------
    Attachment: Phoenix-1264_1.patch

Patch that implements the suggestion and also refactors the UngroupedAggregateObserver to
calculate the stats.

> Add StatisticsCollector to existing tables on first connection to cluster
> -------------------------------------------------------------------------
>
>                 Key: PHOENIX-1264
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-1264
>             Project: Phoenix
>          Issue Type: Sub-task
>            Reporter: James Taylor
>            Assignee: ramkrishna.s.vasudevan
>         Attachments: Phoenix-1264_1.patch
>
>
> We'll need to add the StatisticsCollector to existing tables so that stats are kept for
these tables. We typically do that on first connection to the cluster in ensureTableCreated
when our system table is created by walking through the existing Phoenix tables. We only need
to do it if the system table already exists (otherwise, it's a new installation).



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