hbase/hbase-server
Sameet Agarwal ba6345f7d1 HBASE-13316 Reduce the downtime on planned moves of regions
Summary:
The current behavior of a region move shuts down a region and then starts is up in another regionserver. This causes increased latency and possibly timeouts till the new region's cache is fully warmed up. We can make a region move less disruptive by warming the cache in the destination region server before shutting dow the old region.

See https://issues.apache.org/jira/browse/HBASE-13316

Test Plan:
1. Unit Tests
2. Added test for concurrent moves and warmups
3. Manually tested reads/writes happening with concurrent moves

Subscribers: tedyu

Differential Revision: https://reviews.facebook.net/D35967

Signed-off-by: Elliott Clark <eclark@apache.org>
2015-03-27 11:48:01 -07:00
..
src HBASE-13316 Reduce the downtime on planned moves of regions 2015-03-27 11:48:01 -07:00
pom.xml HBASE-13236 Add addt'l lifecycle-mapping executions. 2015-03-13 22:35:52 -05:00