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Date: Mon, 25 Mar 2013 10:43:16 +0000 (UTC)
From: "Sivaramakrishnan Narayanan (JIRA)" <jira@apache.org>
To: hive-dev@hadoop.apache.org
Message-ID: <JIRA.12638849.1364208170443.47760.1364208196556@arcas>
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Subject: [jira] [Created] (HIVE-4226) Cleanup non-threadsafe code in Hive
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Sivaramakrishnan Narayanan created HIVE-4226:
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             Summary: Cleanup non-threadsafe code in Hive
                 Key: HIVE-4226
                 URL: https://issues.apache.org/jira/browse/HIVE-4226
             Project: Hive
          Issue Type: Improvement
            Reporter: Sivaramakrishnan Narayanan


There is some code in Hive that is not threadsafe. These usually bubble up as problems in Hive Server. This JIRA tracks fixing (hopefully, all) of these issues.

Some context: we've implemented a multi-tenant (multiple dbs), multi-threaded hive server at Qubole (QHS) which is running in production for a couple of months now. As part of this effort, we've fixed a number of instances of non-threadsafe code. I'm looking to contribute this back to the community.

Note that there is no new functionality here - just some better hygiene. If there are any stress tests that have revealed hive server bugs in the past, it will be great if they can be added to the jira.

Also, this is my first attempt at contributing to Apache, so please forgive any mistakes.

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