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From "John Vines (JIRA)" <j...@apache.org>
Subject [jira] [Created] (ACCUMULO-4637) Master should rip out locks of servers with bad system credentials
Date Thu, 04 May 2017 20:15:04 GMT
John Vines created ACCUMULO-4637:
------------------------------------

             Summary: Master should rip out locks of servers with bad system credentials
                 Key: ACCUMULO-4637
                 URL: https://issues.apache.org/jira/browse/ACCUMULO-4637
             Project: Accumulo
          Issue Type: Bug
    Affects Versions: 1.7.2
            Reporter: John Vines


Saw at a customer where one of their servers had not been properly synced. Specifically, one
of the instance values was mismatched, which means the system password was mismatched. Server
logs show a lot of bad auth failures for the system user (as expected).

Meanwhile, the master is spinning, trying to get all the tablets online, constantly attempting
to assign them to this one server (because it has 0 assigned, so it's a prime contender).
Instead of this behavior, the master should rip out the servers zk lock because it's not a
member of the cluster anymore (not until it's accumulo-site is fixed).



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