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https://issues.apache.org/jira/browse/HBASE-18109?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16043336#comment-16043336
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stack commented on HBASE-18109:
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Good find on HTD Priority. Seems like we should expand its compass to include
not only RPC scheduling but also, its order when assigning. Can do in follow-up
issue.
On your writeup, that is a nice summary. I'm going to commit your patch with
some added commentary that comes of your findings. I think that we then resolve
this issue as 'done'. If we find a case where the current scheduling is failing
put out system tables generally ahead of user-space tables, lets revisit. Thank
you for digging in here.
> Assign system tables first (priority)
> -------------------------------------
>
> Key: HBASE-18109
> URL: https://issues.apache.org/jira/browse/HBASE-18109
> Project: HBase
> Issue Type: Sub-task
> Components: Region Assignment
> Affects Versions: 2.0.0
> Reporter: stack
> Assignee: Yi Liang
> Priority: Critical
> Fix For: 2.0.0
>
> Attachments: HBASE-18109-V1.patch, HBASE-18109-V2.patch
>
>
> Need this for stuff like the RSGroup table, etc. Assign these ahead of
> user-space regions.
> From 'Handle sys table assignment first (e.g. acl, namespace, rsgroup);
> currently only hbase:meta is first.' of
> https://docs.google.com/document/d/1eVKa7FHdeoJ1-9o8yZcOTAQbv0u0bblBlCCzVSIn69g/edit#heading=h.oefcyphs0v0x
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