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https://issues.apache.org/jira/browse/HBASE-11059?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13978920#comment-13978920
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Jimmy Xiang commented on HBASE-11059:
-------------------------------------
Had several discussions with Matteo and Stack. It's suggested that we can store
HBase entities and their states in a system table. For example, we can store
tables, regions, and so on in the system table. So we can go without storing
transient states in ZK. This table is accessed by master only. We can load it
into memory when master starts up.
> ZK-less region assignment
> -------------------------
>
> Key: HBASE-11059
> URL: https://issues.apache.org/jira/browse/HBASE-11059
> Project: HBase
> Issue Type: Improvement
> Components: master, Region Assignment
> Reporter: Jimmy Xiang
> Assignee: Jimmy Xiang
>
> It seems that most people don't like region assignment with ZK (HBASE-5487),
> which causes many uncertainties. This jira is to support ZK-less region
> assignment. We need to make sure this patch doesn't break backward
> compatibility/rolling upgrade.
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