Disable online altering by default, create a config for it
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Key: HBASE-4815
URL: https://issues.apache.org/jira/browse/HBASE-4815
Project: HBase
Issue Type: Task
Affects Versions: 0.92.0
Reporter: Jean-Daniel Cryans
Priority: Blocker
Fix For: 0.92.0
There's a whole class of bugs that we've been revealing from trying out online
altering in conjunction with other operations like splitting. HBASE-4729,
HBASE-4794, and HBASE-4814 are examples.
It's not so much that the online altering code is buggy, but that it wasn't
tested in an environment that permits splitting.
I think we should mark online altering as experimental in 0.92 and add a config
to enable it (so it would be disabled by default, requiring people to disable
to table to alter).
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