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Posted to issues@spark.apache.org by "Sean Owen (JIRA)" <ji...@apache.org> on 2018/07/15 17:26:00 UTC

[jira] [Updated] (SPARK-24457) Performance improvement while converting stringToTimestamp in DateTimeUtils

     [ https://issues.apache.org/jira/browse/SPARK-24457?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sean Owen updated SPARK-24457:
------------------------------
    Priority: Minor  (was: Major)

> Performance improvement while converting stringToTimestamp in DateTimeUtils
> ---------------------------------------------------------------------------
>
>                 Key: SPARK-24457
>                 URL: https://issues.apache.org/jira/browse/SPARK-24457
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 2.3.0
>            Reporter: Sharad Sonker
>            Priority: Minor
>
> stringToTimestamp in DateTimeUtils creates Calendar instance for each input row even if the input timezone is same. This can be improved by caching the calendar instance for each input timezone.



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