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From "Aleksey Yeschenko (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-12212) system.compactions_in_progress needs to be used on first upgrade to 3.0
Date Mon, 01 Aug 2016 13:18:20 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-12212?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15402014#comment-15402014
] 

Aleksey Yeschenko commented on CASSANDRA-12212:
-----------------------------------------------

Mostly correct. "only for a very short period of time" is not true. Pre-2.1 counter cells
can remain in the system potentially forever, as there is no guarantee old counter values
would ever be overridden.

> system.compactions_in_progress needs to be used on first upgrade to 3.0
> -----------------------------------------------------------------------
>
>                 Key: CASSANDRA-12212
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-12212
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Compaction
>            Reporter: Jeremiah Jordan
>            Assignee: Stefania
>             Fix For: 3.0.x, 3.x
>
>
> CASSANDRA-7066 removed the system.compactions_in_progress table and replaced it with
the new transaction system.  But system.compactions_in_progress needs to be consulted for
the first startup after upgrading from 2.1 to 3.0.



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