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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (CASSANDRA-4997) Remove multithreaded_compaction from cassandra.yaml
Date Tue, 11 Dec 2012 18:41:21 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-4997?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jonathan Ellis resolved CASSANDRA-4997.
---------------------------------------

       Resolution: Fixed
    Fix Version/s: 1.2.0 rc1
                   1.1.8
         Assignee: Jonathan Ellis

added a warning referencing CASSANDRA-4492 instead of removing it entirely.
                
> Remove multithreaded_compaction from cassandra.yaml
> ---------------------------------------------------
>
>                 Key: CASSANDRA-4997
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-4997
>             Project: Cassandra
>          Issue Type: Task
>          Components: Core
>    Affects Versions: 1.0.12, 1.1.6
>            Reporter: Jeremy Hanna
>            Assignee: Jonathan Ellis
>            Priority: Trivial
>             Fix For: 1.1.8, 1.2.0 rc1
>
>
> There have been several issues with multithreaded_compaction and it's generally discouraged
for use, even on SSD based systems.  It seems like it would be a good idea to remove it completely
from the cassandra.yaml but leave it as a setting for now.  That way people can manually add
it, but unsuspecting people who don't know about the sharp edges won't enable it on their
SSD based systems.
> An alternative to removing it from the cassandra.yaml is to add more warnings to the
description.

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