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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-6503) sstables from stalled repair sessions become live after a reboot and can resurrect deleted data
Date Thu, 19 Dec 2013 23:12:08 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-6503?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jonathan Ellis updated CASSANDRA-6503:
--------------------------------------

         Priority: Minor  (was: Major)
    Fix Version/s:     (was: 1.2.14)
                   2.0.4

(Not actually sure this is still an issue in 2.0.x but it seems possible.)

> sstables from stalled repair sessions become live after a reboot and can resurrect deleted
data
> -----------------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-6503
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6503
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Jeremiah Jordan
>            Assignee: Yuki Morishita
>            Priority: Minor
>             Fix For: 2.0.4
>
>
> The sstables streamed in during a repair session don't become active until the session
finishes.  If something causes the repair session to hang for some reason, those sstables
will hang around until the next reboot, and become active then.  If you don't reboot for 3
months, this can cause data to resurrect, as GC grace has expired, so tombstones for the data
in those sstables may have already been collected.



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