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From "Dave Marion (JIRA)" <>
Subject [jira] [Created] (ACCUMULO-4576) HostRegexTableLoadBalancer assigns/balances with stale information
Date Tue, 24 Jan 2017 23:18:26 GMT
Dave Marion created ACCUMULO-4576:

             Summary: HostRegexTableLoadBalancer assigns/balances with stale information
                 Key: ACCUMULO-4576
             Project: Accumulo
          Issue Type: Bug
          Components: master
    Affects Versions: 1.8.0, 1.7.2
            Reporter: Dave Marion
            Assignee: Dave Marion

The balancer maintains an internal mapping of tablet server pools and tablet server status.
It's updated at a configurable interval, which was done initially as an optimization. Unfortunately
it has the negative side effect of providing the assignment and balance operations with stale
information about the tablet servers which leads to a constant shuffling of tablets. The configuration
property and optimization needs to be removed to supply the assign/balance methods with the
correct information every time.

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