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https://issues.apache.org/jira/browse/HBASE-11165?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14003854#comment-14003854
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Mikhail Antonov commented on HBASE-11165:
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bq. If we are lazily allocating mslabs also then we could trigger GC activity
as those are large objects.
Gc-ing mslabs should be fast, since they're few large (2mb) objects?
bq.It might be worth keeping a pool of mslabs around for use by memstores as
needed, in aggregate still a lesser allocation than today, the size of the pool
adjusted by heuristics.
So have a global mslabs-pool in RS, versus mslabs per memstore?
> Scaling so cluster can host 1M regions and beyond (50M regions?)
> ----------------------------------------------------------------
>
> Key: HBASE-11165
> URL: https://issues.apache.org/jira/browse/HBASE-11165
> Project: HBase
> Issue Type: Brainstorming
> Reporter: stack
>
> This discussion issue comes out of "Co-locate Meta And Master HBASE-10569"
> and comments on the doc posted there.
> A user -- our Francis Liu -- needs to be able to scale a cluster to do 1M
> regions maybe even 50M later. This issue is about discussing how we will do
> that (or if not 50M on a cluster, how otherwise we can attain same end).
> More detail to follow.
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