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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-1562) How to handle the setting of 32 bit versus 64 bit machines
Date Mon, 22 Jun 2009 17:10:07 GMT

    [ https://issues.apache.org/jira/browse/HBASE-1562?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12722683#action_12722683
] 

stack commented on HBASE-1562:
------------------------------

Hudson looks like its 64bit solaris:

{code}
Last login: Fri Mar 20 11:52:10 2009 from 63.203.238.117
Sun Microsystems Inc.   SunOS 5.10      Generic January 2005
-bash-3.00$ isainfo -kv
64-bit amd64 kernel modules
{code}

> How to handle the setting of 32 bit versus 64 bit machines
> ----------------------------------------------------------
>
>                 Key: HBASE-1562
>                 URL: https://issues.apache.org/jira/browse/HBASE-1562
>             Project: Hadoop HBase
>          Issue Type: Bug
>    Affects Versions: 0.20.0
>            Reporter: Erik Holstad
>            Assignee: Erik Holstad
>             Fix For: 0.20.0
>
>
> After adding the tests to verify the correctness of the HeapSize calculations the question
of where to set the type of machines that are in the cluster arose.
> I would think that most people are using 64 bit machines but we still need to support
the use of 32 bit. So the way I see it we can solve this problem in two ways,
> we can either have a settable parameter the the user sets when starting up the cluster
or we can try to figure it out ourselves. I think that the second solution would
> be the best, to make it as easy as possible on the user. 
> That means that we need to add extra sizes to HeapSize and maybe even to Bytes.
> Thoughts, comments?

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