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From "Bryan Duxbury (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-63) Master does not load balance regions well on startup
Date Fri, 04 Jul 2008 15:57:46 GMT

    [ https://issues.apache.org/jira/browse/HBASE-63?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12610609#action_12610609
] 

Bryan Duxbury commented on HBASE-63:
------------------------------------

Shouldn't this issue be closed? We have rebalancing in trunk now, so this shouldn't be a persistent
problem.

> Master does not load balance regions well on startup
> ----------------------------------------------------
>
>                 Key: HBASE-63
>                 URL: https://issues.apache.org/jira/browse/HBASE-63
>             Project: Hadoop HBase
>          Issue Type: Improvement
>          Components: master
>         Environment: CentOS 5
>            Reporter: Chris Kline
>            Assignee: Bryan Duxbury
>            Priority: Minor
>             Fix For: 0.3.0
>
>
> We get poor distribution of regions when we start up HBase.  We have a total of 13 nodes
and 898 regions, which should yield an average of 69 regions per node.  Instead, one node
has 173 regions and one node has 16 regions.
> Address	Start Code	Load
> 10.100.11.62:60020	1199406218912	requests: 0 regions: 63
> 10.100.11.59:60020	1199406219179	requests: 0 regions: 55
> 10.100.11.60:60020	1199406219062	requests: 0 regions: 90
> 10.100.11.61:60020	1199406219132	requests: 1 regions: 54
> 10.100.11.64:60020	1199406218817	requests: 0 regions: 173
> 10.100.11.31:60020	1199406219039	requests: 1 regions: 16
> 10.100.11.58:60020	1199406218895	requests: 0 regions: 89
> 10.100.11.56:60020	1199406219037	requests: 0 regions: 76
> 10.100.11.65:60020	1199406219135	requests: 0 regions: 56
> 10.100.11.57:60020	1199406219183	requests: 1 regions: 56
> 10.100.11.33:60020	1199406219174	requests: 1 regions: 56
> 10.100.11.32:60020	1199406218944	requests: 0 regions: 66
> 10.100.11.63:60020	1199406219182	requests: 0 regions: 48
> Total: 	servers: 13	 	requests: 4 regions: 898

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