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https://issues.apache.org/jira/browse/HIVE-2607?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13158951#comment-13158951
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He Yongqiang commented on HIVE-2607:
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+1, we probably in future need to make the cache size configurable.
Running tests.
> Add caching to json_tuple
> -------------------------
>
> Key: HIVE-2607
> URL: https://issues.apache.org/jira/browse/HIVE-2607
> Project: Hive
> Issue Type: Improvement
> Reporter: Kevin Wilfong
> Assignee: Kevin Wilfong
> Attachments: HIVE-2607.1.patch.txt, HIVE-2607.D543.1.patch
>
>
> get_json_object uses a variety of caches to improve its performance.
> json_tuple could benefit from having a similar cache from JSON string to
> JSONObject.
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