Esteban Gutierrez created HBASE-18025:
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             Summary: CatalogJanitor should collect outdated RegionStates from 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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