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https://issues.apache.org/jira/browse/HADOOP-2527?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12556036#action_12556036
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Billy Pearson commented on HADOOP-2527:
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I see the same thing on starting up a cluster with 4 nodes
1 node gets the Root
1 node gets the META
and 1 node gets the rest of the regions
and the last node gets nothing
I do not have as many regions as you but I thank on start up the master should
use a round ribbon fashion to load the regions to the nodes.
> Poor distribution of regions
> ----------------------------
>
> Key: HADOOP-2527
> URL: https://issues.apache.org/jira/browse/HADOOP-2527
> Project: Hadoop
> Issue Type: Improvement
> Components: contrib/hbase
> Affects Versions: 0.15.0
> Environment: CentOS 5
> Reporter: Chris Kline
> Priority: Minor
>
> 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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