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Posted to issues-all@impala.apache.org by "Zhi Tang (Jira)" <ji...@apache.org> on 2023/05/23 03:14:00 UTC

[jira] [Created] (IMPALA-12156) Support Impala Statestore HA

Zhi Tang created IMPALA-12156:
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             Summary: Support Impala Statestore HA
                 Key: IMPALA-12156
                 URL: https://issues.apache.org/jira/browse/IMPALA-12156
             Project: IMPALA
          Issue Type: New Feature
    Affects Versions: Impala 4.1.2
            Reporter: Zhi Tang


The Impala component known as the StateStore checks on the health of all Impala daemons in a cluster, and continuously relays its findings to each of those daemons.  If the StateStore is not running or becomes unreachable, the cluster becomes less robust and metadata becomes less consistent as it changes. Therefore, implementing high availability for the Statestore is essential for the stability of the cluster.



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