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https://issues.apache.org/jira/browse/HBASE-4771?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13148190#comment-13148190
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Nicolas Spiegelberg commented on HBASE-4771:
--------------------------------------------
Part of 89-fb to 92 port. See r1181545 in 89-fb. For our internal
implementation, we made a Ruby Script to accomplish this that polls the region
assignment state in META. A more permanent solution would be to provide a
checkRegionAvailability() API in HBaseAdmin that would directly contact the
master for this information.
> Script to List HRegion Availability
> -----------------------------------
>
> Key: HBASE-4771
> URL: https://issues.apache.org/jira/browse/HBASE-4771
> Project: HBase
> Issue Type: Improvement
> Affects Versions: 0.94.0
> Reporter: Nicolas Spiegelberg
> Assignee: Nicolas Spiegelberg
> Priority: Minor
>
> One critical feature necessary to completely automate production pushes is
> the ability to recognize when HBase has successfully made all regions
> available for reads/writes (step prior to HBCK). Created script to display
> region availability status and stall until all onlined regions are actually
> available.
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