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https://issues.apache.org/jira/browse/HBASE-1248?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Kyle Purtell closed HBASE-1248.
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> Fast splitting for last region
> ------------------------------
>
> Key: HBASE-1248
> URL: https://issues.apache.org/jira/browse/HBASE-1248
> Project: HBase
> Issue Type: Improvement
> Reporter: Ben Maurer
> Priority: Major
>
> I have an HBase table where items are keyed by a sequential row id. When
> doing bulk appends to this table, the last region of the table gets pretty
> large until enough compactions can be done to sort everything out.
> In this type of case, it'd be better if when the region serving the largest
> keys doesn't split at the midkey, but on the last key. One way to implement
> this would be by saying that when the top region reaches MAX_REGION_SIZE/2,
> create a new region, with the lower half getting all the data and the top
> half empty. For bulk sequential inserts, this should avoid the need for any
> compactions.
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