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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-1892) [performance] make hbase splits run faster
Date Wed, 14 Apr 2010 19:06:49 GMT

    [ https://issues.apache.org/jira/browse/HBASE-1892?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12857028#action_12857028
] 

stack commented on HBASE-1892:
------------------------------

Just a note to say that claim that we always open daughters on the parents regionserver is
not always correct. Here is evidence:

{code}
2010-04-13 22:08:24,789 INFO org.apache.hadoop.hbase.master.ServerManager: Processing MSG_REPORT_SPLIT_INCLUDES_DAUGHTERS:
TestTable,0831629754,1271221664605: Daughters; TestTable,0831629754,1271221697383, TestTable,0963154468,1271221697383
from sv188,60020,1271221587612; 1 of 1
2010-04-13 22:08:24,792 INFO org.apache.hadoop.hbase.master.RegionManager: Assigning region
TestTable,0963154468,1271221697383 to sv188,60020,1271221587612
2010-04-13 22:08:24,867 INFO org.apache.hadoop.hbase.master.RegionManager: Assigning region
TestTable,0831629754,1271221697383 to sv189,60020,1271221587623
{code}

> [performance] make hbase splits run faster
> ------------------------------------------
>
>                 Key: HBASE-1892
>                 URL: https://issues.apache.org/jira/browse/HBASE-1892
>             Project: Hadoop HBase
>          Issue Type: Improvement
>            Reporter: stack
>            Assignee: stack
>             Fix For: 0.20.5, 0.21.0
>
>         Attachments: HBASE-1892.patch
>
>
> hbase-1506 tried and failed making splits faster in 0.20 context.  This issue is about
doing it in 0.21 where we'll have to tools to do.

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