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Posted to issues@spark.apache.org by "Kazuaki Ishizaki (JIRA)" <ji...@apache.org> on 2017/10/19 12:48:00 UTC

[jira] [Commented] (SPARK-22254) clean up the implementation of `growToSize` in CompactBuffer

    [ https://issues.apache.org/jira/browse/SPARK-22254?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16210964#comment-16210964 ] 

Kazuaki Ishizaki commented on SPARK-22254:
------------------------------------------

If noone has started working for this, I will work for this.

> clean up the implementation of `growToSize` in CompactBuffer
> ------------------------------------------------------------
>
>                 Key: SPARK-22254
>                 URL: https://issues.apache.org/jira/browse/SPARK-22254
>             Project: Spark
>          Issue Type: Bug
>          Components: Spark Core
>    Affects Versions: 2.2.1
>            Reporter: Feng Liu
>
> two issues:
> 1. the arrayMax should be `ByteArrayMethods.MAX_ROUNDED_ARRAY_LENGTH `
> 2. I believe some `-2` were introduced because `Integer.Max_Value` was used previously. We should make the calculation of newArrayLen concise. 



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