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From "Jeremiah Jordan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-7511) Commit log grows infinitely after truncate
Date Wed, 30 Jul 2014 16:56:40 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-7511?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14079515#comment-14079515
] 

Jeremiah Jordan commented on CASSANDRA-7511:
--------------------------------------------

And the "just drop the memtables" is where the bug comes from?  I like just removing the code
causing the problem, rather than trying to do the fancy stuff keeping track of what we dropped
and manually fixing segments.  Seems simpler and less error prone to me.  Flush, wait 1 millisecond,
unlink all the sstables.

> Commit log grows infinitely after truncate
> ------------------------------------------
>
>                 Key: CASSANDRA-7511
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7511
>             Project: Cassandra
>          Issue Type: Bug
>         Environment: CentOS 6.5, Oracle Java 7u60, C* 2.0.6, 2.0.9, including earlier
1.0.* versions.
>            Reporter: Viktor Jevdokimov
>            Assignee: Benedict
>            Priority: Minor
>              Labels: commitlog
>             Fix For: 2.0.10
>
>         Attachments: 7511-2.0-v2.txt, 7511.txt
>
>
> Commit log grows infinitely after CF truncate operation via cassandra-cli, regardless
CF receives writes or not thereafter.
> CF's could be non-CQL Standard and Super column type. Creation of snapshots after truncate
is turned off.
> Commit log may start grow promptly, may start grow later, on a few only or on all nodes
at once.
> Nothing special in the system log. No idea how to reproduce.
> After rolling restart commit logs are cleared and back to normal. Just annoying to do
rolling restart after each truncate.



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