Add a decent heuristic for region size
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Key: HBASE-4365
URL: https://issues.apache.org/jira/browse/HBASE-4365
Project: HBase
Issue Type: Improvement
Affects Versions: 0.94.0
Reporter: Todd Lipcon
A few of us were brainstorming this morning about what the default region size
should be. There were a few general points made:
- in some ways it's better to be too-large than too-small, since you can always
split a table further, but you can't merge regions currently
- with HFile v2 and multithreaded compactions there are fewer reasons to avoid
very-large regions (10GB+)
- for small tables you may want a small region size just so you can distribute
load better across a cluster
- for big tables, multi-GB is probably best
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