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From "Esteban Gutierrez (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-18025) CatalogJanitor should collect outdated RegionStates from the AM
Date Wed, 10 May 2017 21:42:04 GMT
Esteban Gutierrez created HBASE-18025:

             Summary: CatalogJanitor should collect outdated RegionStates from the AM
                 Key: HBASE-18025
                 URL: https://issues.apache.org/jira/browse/HBASE-18025
             Project: HBase
          Issue Type: Bug
            Reporter: Esteban Gutierrez
            Assignee: Esteban Gutierrez

I don't think this will matter on the long run for HBase 2, but at least in branch-1 and the
current master we keep in multiple places copies of the region states in the master and this
copies include information like the HRI. A problem that we have observed is when region replicas
are being used and there is a split, the region replica from parent doesn't get collected
from the region states and when the balancer tries to assign the old parent region replica,
this will cause the RegionServer to create a new HRI with the details of the parent causing
an inconstancy (see HBASE-18024).

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