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From "Aihua Xu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-4897) Hive should handle AlreadyExists on retries when creating tables/partitions
Date Mon, 07 Mar 2016 15:56:41 GMT

     [ https://issues.apache.org/jira/browse/HIVE-4897?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Aihua Xu updated HIVE-4897:
---------------------------
    Status: In Progress  (was: Patch Available)

> Hive should handle AlreadyExists on retries when creating tables/partitions
> ---------------------------------------------------------------------------
>
>                 Key: HIVE-4897
>                 URL: https://issues.apache.org/jira/browse/HIVE-4897
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Sergey Shelukhin
>            Assignee: Aihua Xu
>         Attachments: hive-snippet.log
>
>
> Creating new tables/partitions may fail with an AlreadyExistsException if there is an
error part way through the creation and the HMS tries again without properly cleaning up or
checking if this is a retry.
> While partitioning a new table via a script on distributed hive (MetaStore on the same
machine) there was a long timeout and then:
> {code}
> FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.DDLTask. AlreadyExistsException(message:Partition
already exists:Partition( ...
> {code}
> I am assuming this is due to retry. Perhaps already-exists on retry could be handled
better.
> A similar error occurred while creating a table through Impala, which issued a single
createTable call that failed with an AlreadyExistsException. See the logs related to table
tmp_proc_8_d2b7b0f133be455ca95615818b8a5879_7 in the attached hive-snippet.log



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