Jimmy Xiang created HBASE-10815:
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Summary: Master regionserver should be rolling-upgradable
Key: HBASE-10815
URL: https://issues.apache.org/jira/browse/HBASE-10815
Project: HBase
Issue Type: Sub-task
Reporter: Jimmy Xiang
Assignee: Jimmy Xiang
In HBASE-10569, two things could affect the rolling-upgrade from a 0.96+
release:
* Master doesn't have its own info server any. It shares the same info server
with the regionserver. We can have a setting so that we can start two info
servers, one for the master on the original port, and one for the regionserver.
* Backup master is a regionserver now. So it could hold regions. This could
affect some deployment. We can have a setting so that we can prevent backup
master from serving any region.
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