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From "Sushanth Sowmyan (JIRA)" <>
Subject [jira] [Updated] (HIVE-9582) HCatalog should use IMetaStoreClient interface
Date Thu, 30 Apr 2015 19:13:06 GMT


Sushanth Sowmyan updated HIVE-9582:
    Attachment: HIVE-9582.6.patch

Attaching rebased version of patch with corrections that I asked for in my review earlier.
[~thejas], could you please do a backup-review?

> HCatalog should use IMetaStoreClient interface
> ----------------------------------------------
>                 Key: HIVE-9582
>                 URL:
>             Project: Hive
>          Issue Type: Sub-task
>          Components: HCatalog, Metastore
>    Affects Versions: 0.14.0, 0.13.1
>            Reporter: Thiruvel Thirumoolan
>            Assignee: Thiruvel Thirumoolan
>              Labels: hcatalog, metastore, rolling_upgrade
>         Attachments: HIVE-9582.1.patch, HIVE-9582.2.patch, HIVE-9582.3.patch, HIVE-9582.4.patch,
HIVE-9582.5.patch, HIVE-9582.6.patch, HIVE-9583.1.patch
> 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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