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https://issues.apache.org/jira/browse/HBASE-24723?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17161664#comment-17161664
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Duo Zhang commented on HBASE-24723:
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Please take a look at the PR for HBASE-24459. It is a possible solution for
caching root table when root is carrying as a master local region.
Thanks.
> Distributing ROOT Region load
> -----------------------------
>
> Key: HBASE-24723
> URL: https://issues.apache.org/jira/browse/HBASE-24723
> Project: HBase
> Issue Type: Bug
> Reporter: Michael Stack
> Priority: Major
>
> HBASE-11288 'Splittable Meta' progress keeps getting hung up on how to cache
> the 'root' table – the first table in the hierarchy of lookups locating
> user-data in a Table Region. The 'root' table is not splittable by design so
> its load can not be spread about the cluster by splitting the hot Region as
> we would usually do.
> This issue is about listing out requirements, sketching possible approaches,
> and then getting agreement ahead of implementation as subtasks.
> In particular, an approach that would work whether the Region to be cached is
> master-based or hosted by a RegionServer (see design attached to HBASE-11288
> for elaboration) would be preferred since then we can separate discussion of
> cache from the HBASE-11288 'split meta' discussion.
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