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https://issues.apache.org/jira/browse/HBASE-3463?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Purtell resolved HBASE-3463.
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Resolution: Invalid
Not actionable. No patch, no activity
> Bulletproof Improved Region Reporting
> -------------------------------------
>
> Key: HBASE-3463
> URL: https://issues.apache.org/jira/browse/HBASE-3463
> Project: HBase
> Issue Type: Improvement
> Environment: HBase Mgmt User Interface
> Reporter: Wayne
>
> It would be great if the HBase management user interface provided more
> bullet-proof reporting in terms of region counts and status. The regions
> counts go up and down and different views show different counts and they
> don't always add up. It makes one less than confident of what is going on.
> Cluster wide And per table it would be great to get summary counts of all
> regions in the various states. It would also be useful to see this state in
> the description of the region. There is a compaction count, but what about in
> split, memstore flush, read/write lock, disabled, etc. Fundamentally this is
> the health monitor of the system and as a dba one really needs to know the
> 100% count of regions and where they are all at in terms of availability. Are
> they disabled, blocked for writes, blocked for reads, in compaction, etc. etc.
> The first step is to define and document exactly what states a region could
> be in and what impact that state could have on performance, write blocking,
> read blocking, compaction, disabling, etc. etc. This needs to be defined and
> well documented. Once these states are defined and well understood (and
> explain every problem one could have reading/writing/pausing/disabling) then
> adding to the UI view to show a count of all regions within each state (with
> a percentage) and also report this state in the detailed list of regions it
> would give one an holistic view of exactly what is going on.
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