hongyu bi created HBASE-12957:
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Summary: region_mover#isSuccessfulScan may extremely slow on
region with lots of expired data
Key: HBASE-12957
URL: https://issues.apache.org/jira/browse/HBASE-12957
Project: HBase
Issue Type: Improvement
Components: scripts
Reporter: hongyu bi
Priority: Minor
region_mover will call isSuccessfulScan when region has moved to make sure it's
healthy, however , if the moved region has lots of expired data
region_mover#isSuccessfulScan will take a long time to finish ,that may even
exceed "lease timeout".So I made isSuccessfulScan a get-like scan to achieve
faster response in that case.
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