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Posted to dev@phoenix.apache.org by "James Taylor (JIRA)" <ji...@apache.org> on 2016/08/17 21:20:20 UTC

[jira] [Commented] (PHOENIX-808) Create snapshot of system tables prior to upgrade and restore on any failure

    [ https://issues.apache.org/jira/browse/PHOENIX-808?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15425402#comment-15425402 ] 

James Taylor commented on PHOENIX-808:
--------------------------------------

IMHO, we should create only a snapshot of the system.catalog. We definitely don't want to snapshot the system.stats and system.tracing. Snapshoting and restoring the system.sequence table sounds risky. Making a snapshot of the system.function table might be fine too.

> Create snapshot of system tables prior to upgrade and restore on any failure
> ----------------------------------------------------------------------------
>
>                 Key: PHOENIX-808
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-808
>             Project: Phoenix
>          Issue Type: Task
>            Reporter: James Taylor
>            Assignee: Samarth Jain
>




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