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From "Bennie Schut (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HIVE-1482) Not all jdbc calls are threadsafe.
Date Wed, 04 Aug 2010 07:03:16 GMT

    [ https://issues.apache.org/jira/browse/HIVE-1482?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12895161#action_12895161
] 

Bennie Schut commented on HIVE-1482:
------------------------------------

Ok I guess the first questions would be:

Do we want to go for as much concurrent work as possible or are we ok with using some synchronize
on the client call's? I would say sync. is prefered over creating new connections in this
case right?

Do we perhaps want to solve this on the "ThriftHive" level since that's the part which doesn't
allow the multi threaded calls or perhaps more on the "HiveDatabaseMetaData" since that's
the part which has the requirement of multi thread safety?

Any idea's are welcome on this.

> Not all jdbc calls are threadsafe.
> ----------------------------------
>
>                 Key: HIVE-1482
>                 URL: https://issues.apache.org/jira/browse/HIVE-1482
>             Project: Hadoop Hive
>          Issue Type: Bug
>          Components: Drivers
>    Affects Versions: 0.7.0
>            Reporter: Bennie Schut
>             Fix For: 0.7.0
>
>
> As per jdbc spec they should be threadsafe:
> http://download.oracle.com/docs/cd/E17476_01/javase/1.3/docs/guide/jdbc/spec/jdbc-spec.frame9.html

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