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Posted to dev@hive.apache.org by "Thiruvel Thirumoolan (JIRA)" <ji...@apache.org> on 2015/02/04 21:44:35 UTC

[jira] [Created] (HIVE-9582) HCatalog should use IMetaStoreClient interface

Thiruvel Thirumoolan created HIVE-9582:
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             Summary: HCatalog should use IMetaStoreClient interface
                 Key: HIVE-9582
                 URL: https://issues.apache.org/jira/browse/HIVE-9582
             Project: Hive
          Issue Type: Improvement
          Components: HCatalog, Metastore
    Affects Versions: 0.13.1, 0.14.0
            Reporter: Thiruvel Thirumoolan
            Assignee: Thiruvel Thirumoolan
             Fix For: 0.14.1


Hive uses IMetaStoreClient and it makes using RetryingMetaStoreClient easy. Hence during a failure, the client retries and possibly succeeds. But HCatalog has long been using HiveMetaStoreClient directly and hence failures are costly, especially if they are during the commit stage of a job. Its also not possible to do rolling upgrade of MetaStore Server.



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