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https://issues.apache.org/jira/browse/HBASE-11319?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14026770#comment-14026770
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Jimmy Xiang commented on HBASE-11319:
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Looked into it. I think we don't need to use SnapshotOfRegionAssignmentFromMeta
in AM just to find all the regions to assign.
> No need to use favored node mapping initialization to find all regions
> ----------------------------------------------------------------------
>
> Key: HBASE-11319
> URL: https://issues.apache.org/jira/browse/HBASE-11319
> Project: HBase
> Issue Type: Improvement
> Reporter: Jimmy Xiang
> Assignee: Jimmy Xiang
> Priority: Minor
>
> During a clean re/start, favored node mapping initialization scans meta for
> an assignment snapshot. We can avoid this scan since such info is already
> loaded into region states. For small cluster, this is not a big deal.
> However, if there are lots of regions, the scan is better not to do.
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