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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2016/04/28 05:49:12 UTC

[jira] [Assigned] (SPARK-14972) Improve performance of JSON schema inference's inferField step

     [ https://issues.apache.org/jira/browse/SPARK-14972?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-14972:
------------------------------------

    Assignee: Josh Rosen  (was: Apache Spark)

> Improve performance of JSON schema inference's inferField step
> --------------------------------------------------------------
>
>                 Key: SPARK-14972
>                 URL: https://issues.apache.org/jira/browse/SPARK-14972
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>            Reporter: Josh Rosen
>            Assignee: Josh Rosen
>
> JSON schema inference spends a lot of time in inferField and there are a number of techniques to speed it up, including eliminating unnecessary sorting and the use of inefficient collections.



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