Rishit Shroff created HBASE-8500:
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Summary: RollingRestart utility at regionserver level
Key: HBASE-8500
URL: https://issues.apache.org/jira/browse/HBASE-8500
Project: HBase
Issue Type: Bug
Components: master
Affects Versions: 0.89-fb
Reporter: Rishit Shroff
Assignee: Rishit Shroff
Priority: Minor
With the option of blacklisting a region server from getting assigned new
regions by the master, we need to have a utility which encapsulates this and
uses it for rolling restart of a hbase cluster. The JIRA is to create a utility
which restarts a single region server by:
1. blacklisting the region server
2. moving all the regions one by one
3. restart the region server process
4. moving all the regions back
5. removing the region server from blacklist
Along with this, the utility should also be able to estimate the total outage
observed from client perspective.
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