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Posted to dev@hive.apache.org by "Ning Zhang (JIRA)" <ji...@apache.org> on 2011/03/03 18:58:40 UTC

[jira] Created: (HIVE-2027) Asynchronous Hooks

Asynchronous Hooks
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                 Key: HIVE-2027
                 URL: https://issues.apache.org/jira/browse/HIVE-2027
             Project: Hive
          Issue Type: New Feature
            Reporter: Ning Zhang


PreHook and PostHook are executed sequentially in the order if they are defined in hive.exec.pre.hooks and hve.exec.post.hooks. In some cases the sequential semantics are mandatory, but not for all cases. It would be desirable to define an AysncHook that extends Hook (similarly for AsyncPreHook and AsyncPostHook) to asynchronously execute the hooks in a thread pool.  

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