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From "Andy Cobley (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-4401) If processor is missing from /proc/cpuinfo, cassandra will not start
Date Thu, 05 Jul 2012 12:54:34 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-4401?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13407068#comment-13407068
] 

Andy Cobley commented on CASSANDRA-4401:
----------------------------------------

Patch attached, hope I've done it right !
                
> If processor is missing from /proc/cpuinfo, cassandra will not start
> --------------------------------------------------------------------
>
>                 Key: CASSANDRA-4401
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-4401
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Packaging
>    Affects Versions: 1.1.1
>            Reporter: Andy Cobley
>            Priority: Minor
>         Attachments: 4401.txt
>
>
> cassandra.env.sh does an egrep on /proc/cpuinfo in order to find the number of processors
on the system.  If /proc/cpuinfo does not contain a processor :# line then the script will
fail because of a divide  by 0 error.  Changing the Linux section of cassandra.env.sh to:
> Linux)
>             system_memory_in_mb=`free -m | awk '/Mem:/ {print $2}'`
>             system_cpu_cores=`egrep -c 'processor([[:space:]]+):.*' /proc/cpuinfo`
>             if [ "$system_cpu_cores" -lt "1" ]
>             then
>                system_cpu_cores="1"
>             fi
> is a possible fix

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