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Posted to commits@cassandra.apache.org by "Aleksey Yeschenko (JIRA)" <ji...@apache.org> on 2012/12/05 20:13:58 UTC

[jira] [Commented] (CASSANDRA-4790) Allow property override of available processors value

    [ https://issues.apache.org/jira/browse/CASSANDRA-4790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13510690#comment-13510690 ] 

Aleksey Yeschenko commented on CASSANDRA-4790:
----------------------------------------------

lgtm, +1 (piconit - IDEA's auto-import misplaced FBUtilities import in StageManager).
                
> Allow property override of available processors value
> -----------------------------------------------------
>
>                 Key: CASSANDRA-4790
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-4790
>             Project: Cassandra
>          Issue Type: New Feature
>          Components: Core
>            Reporter: Ahmed Bashir
>            Assignee: Brandon Williams
>            Priority: Minor
>             Fix For: 1.1.8
>
>         Attachments: 4790.txt
>
>
> Currently, many critical thread pools are sized according to the number of available processors i.e. Runtime.getRuntime.availableProcessors() (See StageManager.java)
> In a multi-instance deployment, multiple Cassandra instances will independently assume that all processors are available to it; there should be a mechanism to specify a smaller set of processors (and perhaps have affinity).

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