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Posted to dev@hive.apache.org by "Namit Jain (JIRA)" <ji...@apache.org> on 2009/11/12 20:14:39 UTC

[jira] Resolved: (HIVE-914) Speed up UDFJson

     [ https://issues.apache.org/jira/browse/HIVE-914?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Namit Jain resolved HIVE-914.
-----------------------------

      Resolution: Fixed
    Hadoop Flags: [Reviewed]

Committed. Thanks Paul

> Speed up UDFJson
> ----------------
>
>                 Key: HIVE-914
>                 URL: https://issues.apache.org/jira/browse/HIVE-914
>             Project: Hadoop Hive
>          Issue Type: Improvement
>            Reporter: Paul Yang
>            Assignee: Paul Yang
>         Attachments: HIVE-914.1.patch, HIVE-914.2.patch, HIVE-914.3.patch
>
>
> In UDFJson, a new JSONObject is created for each call to evaluate(). Since it is likely that evalue() will be called with multiple paths for a given JSON string, a performance improvement can be realized by caching the JSONObject created from a JSON string.

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