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https://issues.apache.org/jira/browse/PHOENIX-4726?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16466378#comment-16466378
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James Taylor commented on PHOENIX-4726:
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One way you can get a timestamp is by looking at the cell timestamp of the
INDEX_STATE column (i.e. column qualifier) on the index table header row in
SYSTEM.CATALOG.
> save index build timestamp -- for SYNC case only.
> -------------------------------------------------
>
> Key: PHOENIX-4726
> URL: https://issues.apache.org/jira/browse/PHOENIX-4726
> Project: Phoenix
> Issue Type: Improvement
> Reporter: Xu Cang
> Priority: Minor
>
> save index build timestamp, similar to ASYNC_REBUILD_TIMESTAMP, or
> ASYNC_CREATED_DATE
> ("SYNC_INDEX_CREATED_DATE" is my proposed name for SYNC case.)
>
> Check IndexUtil.java for related code.
> The reason this can be useful is: We saw a case index state stuck in 'b' for
> quite some long time. And without a timestamp to indicate where it started,
> it's hard to tell if this is a legit running task or stuck...
>
>
>
>
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