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From "Sergey Shelukhin (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-10427) clean up HRegionLocation/ServerName usage
Date Mon, 27 Jan 2014 22:09:38 GMT
Sergey Shelukhin created HBASE-10427:

             Summary: clean up HRegionLocation/ServerName usage 
                 Key: HBASE-10427
                 URL: https://issues.apache.org/jira/browse/HBASE-10427
             Project: HBase
          Issue Type: Improvement
            Reporter: Sergey Shelukhin
            Assignee: Sergey Shelukhin
            Priority: Minor

I noticed that AsyncProcess updates cache location on failures using a single HRL object that
is key to the map that is intended to be by server and contains requests for multiple regions
(i.e. MultiAction contains requests for regions A, B, C, and sits in a map by HRL with HRL
from server A as a key; in case of failure for e.g. request to B, or entire multiaction, the
location from map key will be passed to updateCache... methods, even though it's not for the
correct region). It may cause some subtle mistakes in cache updates.
I think it'd be good to clean up HRL usage around AP and other classes - if we intend to have
a server name, then we should use ServerName not HRL.

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