[performance] make hbase splits run even faster still
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Key: HBASE-2510
URL: https://issues.apache.org/jira/browse/HBASE-2510
Project: Hadoop HBase
Issue Type: Improvement
Reporter: stack
hbase-1892 made splits faster. This issue is about making them faster still.
Chatting w/ some bright lads down south, and because Ryan has been going on
about it for a year now, on split, we should just open the daughter regions on
the parent's RegionServer. Don't even bother telling master about the split
just happened. Let the balancer rectify uneven region distribution. Requires
smarter load balancer first, one that can at least recognize the special case
of a fresh unloaded cluster with bulk upload running. In this case it would
balance differently than it would on a laden cluster.
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