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Posted to issues@kudu.apache.org by "YifanZhang (JIRA)" <ji...@apache.org> on 2019/08/01 11:38:00 UTC

[jira] [Created] (KUDU-2914) Rebalance tool support moving replicas from some specific tablet servers

YifanZhang created KUDU-2914:
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             Summary: Rebalance tool support moving replicas from some specific tablet servers
                 Key: KUDU-2914
                 URL: https://issues.apache.org/jira/browse/KUDU-2914
             Project: Kudu
          Issue Type: Improvement
          Components: CLI
            Reporter: YifanZhang


When we need to stop/upgrade some tablet servers in a kudu cluster, these tservers would become unavailable and tablets on these servers would be unhealthy in a period of time. In order to ensure the high availability of the cluster, it's better to move all replicas on these tservers to other tservers in a cluster, then stop or upgrade tservers. This can be achieved by rebalance tool to support specifying 'blacklist_tservers'.



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