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https://issues.apache.org/jira/browse/HADOOP-2616?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12560047#action_12560047
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stack commented on HADOOP-2616:
-------------------------------
Jim makes the point that the config. is actually the size of any one HStore
HStoreFile. Reading the description, I can see that it could be interpreted as
region size. Lets fix that at least as part of this issue.
> hbase not spliting when the total size of region reaches max region size * 1.5
> ------------------------------------------------------------------------------
>
> Key: HADOOP-2616
> URL: https://issues.apache.org/jira/browse/HADOOP-2616
> Project: Hadoop
> Issue Type: Bug
> Components: contrib/hbase
> Reporter: Billy Pearson
> Priority: Minor
> Fix For: 0.17.0
>
>
> right now a region may get larger then the max size set in the conf
> HRegion.needsSplit
> Checks the largest column to see if its larger then max region size * 1.5 and
> then desides to split or not
> But if we have more then one column the region could be vary large
> example
> Say we have 10 columns all about the same size lets say 40MB and the max file
> size is 64MB we would not split even thought the region size is 400MB well
> over the 96MB needed to trip a split to happen.
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