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Posted to issues@hbase.apache.org by "Guanghao Zhang (Jira)" <ji...@apache.org> on 2020/08/28 09:13:00 UTC
[jira] [Commented] (HBASE-24760) Add a config
hbase.rsgroup.fallback.enable for RSGroup fallback feature
[ https://issues.apache.org/jira/browse/HBASE-24760?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17186400#comment-17186400 ]
Guanghao Zhang commented on HBASE-24760:
----------------------------------------
[~Ddupg] Please upload a PR for branch-2. Thanks.
> Add a config hbase.rsgroup.fallback.enable for RSGroup fallback feature
> -----------------------------------------------------------------------
>
> Key: HBASE-24760
> URL: https://issues.apache.org/jira/browse/HBASE-24760
> Project: HBase
> Issue Type: New Feature
> Components: rsgroup
> Affects Versions: 3.0.0-alpha-1
> Reporter: Sun Xin
> Assignee: Sun Xin
> Priority: Major
> Fix For: 3.0.0-alpha-1
>
>
> In HBASE-22738 we allow tables fallback to specific rs groups, If there is no online servers in the table's rsgroup.
> -But for system tables, if there is no specified fallback rsgroup or the servers in the fallback rsgroup all went down, It is necessary to allow system tables fallback to any rsgroup in order to keey available at all times.-
> For Availability, refactor design of rsgroup fallback, finally only introduced one config property `hbase.rsgroup.fallback.enable`, allow all table, whether or not system tables, fallback to the default rsgroup first, then fallback to any group if no online servers in default rsgroup.
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