hadoop-hive-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Carl Steinbach (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HIVE-914) Speed up UDFJson
Date Mon, 26 Jul 2010 06:22:54 GMT

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

Carl Steinbach updated HIVE-914:
--------------------------------

    Fix Version/s: 0.5.0
      Component/s: UDF

> Speed up UDFJson
> ----------------
>
>                 Key: HIVE-914
>                 URL: https://issues.apache.org/jira/browse/HIVE-914
>             Project: Hadoop Hive
>          Issue Type: Improvement
>          Components: UDF
>            Reporter: Paul Yang
>            Assignee: Paul Yang
>             Fix For: 0.5.0
>
>         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.

-- 
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.


Mime
View raw message