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From "Reuben Kuhnert (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-13478) [Cleanup] Improve HookUtils performance
Date Mon, 11 Apr 2016 18:31:25 GMT

     [ https://issues.apache.org/jira/browse/HIVE-13478?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Reuben Kuhnert updated HIVE-13478:
----------------------------------
    Attachment: HIVE-13478.02.patch

> [Cleanup] Improve HookUtils performance
> ---------------------------------------
>
>                 Key: HIVE-13478
>                 URL: https://issues.apache.org/jira/browse/HIVE-13478
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Reuben Kuhnert
>            Assignee: Reuben Kuhnert
>            Priority: Minor
>         Attachments: HIVE-13478.01.patch, HIVE-13478.02.patch
>
>
> Minor cleanup. {{HookUtils.getHooks}} is called multiple times for every statement executed
performing nearly identical work. Cache the results of the work to improve performance (LRU).

> Also introduce the {{@CacheableHook}} annotation which can be appended to hooks that
don't need to be re-instantiated using expensive reflection (such as Sentry hooks that load
configuration on initialization).



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