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https://issues.apache.org/jira/browse/HBASE-10815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jimmy Xiang updated HBASE-10815:
--------------------------------
Resolution: Fixed
Hadoop Flags: Reviewed
Status: Resolved (was: Patch Available)
> Master regionserver should be rolling-upgradable
> ------------------------------------------------
>
> Key: HBASE-10815
> URL: https://issues.apache.org/jira/browse/HBASE-10815
> Project: HBase
> Issue Type: Sub-task
> Components: master, Region Assignment
> Reporter: Jimmy Xiang
> Assignee: Jimmy Xiang
> Fix For: 0.99.0
>
> Attachments: hbase-10815.patch, hbase-10815_v2.patch
>
>
> 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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