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Posted to issues@hbase.apache.org by "Jean-Daniel Cryans (JIRA)" <ji...@apache.org> on 2010/11/30 01:41:11 UTC
[jira] Commented: (HBASE-3286) Bulk assignment weird maths
[ https://issues.apache.org/jira/browse/HBASE-3286?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12965029#action_12965029 ]
Jean-Daniel Cryans commented on HBASE-3286:
-------------------------------------------
It seems that the master is only able to recognize a few region servers' HSA, I added some debug and I see that the region servers with a lot of regions are those that are matched and they also get assigned random regions.
> Bulk assignment weird maths
> ---------------------------
>
> Key: HBASE-3286
> URL: https://issues.apache.org/jira/browse/HBASE-3286
> Project: HBase
> Issue Type: Bug
> Reporter: Jean-Daniel Cryans
> Fix For: 0.90.0
>
>
> Starting my little test cluster on the latest from 0.90, I see:
> {noformat}
> 2010-11-29 23:21:34,131 INFO org.apache.hadoop.hbase.master.AssignmentManager: Bulk assigning 1024 region(s) across 9 server(s), retainAssignment=true
> 2010-11-29 23:21:34,134 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Bulk assigning 22 region(s) to sv2borg181,61020,1291072886282
> 2010-11-29 23:21:34,135 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Bulk assigning 24 region(s) to sv2borg182,61020,1291072885473
> 2010-11-29 23:21:34,135 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Bulk assigning 37 region(s) to sv2borg183,61020,1291072885646
> 2010-11-29 23:21:34,135 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Bulk assigning 25 region(s) to sv2borg184,61020,1291072886734
> 2010-11-29 23:21:34,135 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Bulk assigning 26 region(s) to sv2borg185,61020,1291072886606
> 2010-11-29 23:21:34,136 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Bulk assigning 70 region(s) to sv2borg186,61020,1291072885486
> 2010-11-29 23:21:34,136 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Bulk assigning 30 region(s) to sv2borg187,61020,1291072886355
> 2010-11-29 23:21:34,136 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Bulk assigning 89 region(s) to sv2borg188,61020,1291072885926
> 2010-11-29 23:21:34,136 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Bulk assigning 701 region(s) to sv2borg189,61020,1291072886739
> {noformat}
> After another restart:
> {noformat}
> 2010-11-30 00:03:38,100 INFO org.apache.hadoop.hbase.master.AssignmentManager: Bulk assigning 1024 region(s) across 9 server(s), retainAssignment=true
> 2010-11-30 00:03:38,103 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Bulk assigning 71 region(s) to sv2borg181,61020,1291075409984
> 2010-11-30 00:03:38,103 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Bulk assigning 82 region(s) to sv2borg182,61020,1291075409956
> 2010-11-30 00:03:38,104 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Bulk assigning 61 region(s) to sv2borg183,61020,1291075409952
> 2010-11-30 00:03:38,104 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Bulk assigning 122 region(s) to sv2borg184,61020,1291075409957
> 2010-11-30 00:03:38,104 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Bulk assigning 59 region(s) to sv2borg185,61020,1291075409955
> 2010-11-30 00:03:38,104 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Bulk assigning 71 region(s) to sv2borg186,61020,1291075409963
> 2010-11-30 00:03:38,105 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Bulk assigning 52 region(s) to sv2borg187,61020,1291075411049
> 2010-11-30 00:03:38,105 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Bulk assigning 254 region(s) to sv2borg188,61020,1291075410360
> 2010-11-30 00:03:38,105 DEBUG org.apache.hadoop.hbase.master.AssignmentManager: Bulk assigning 252 region(s) to sv2borg189,61020,1291075409959
> {noformat}
> I also saw one time where everything was assigned to 189.
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