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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2016/11/18 22:38:59 UTC

[jira] [Commented] (SPARK-18188) Add checksum for block of broadcast

    [ https://issues.apache.org/jira/browse/SPARK-18188?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15677983#comment-15677983 ] 

Apache Spark commented on SPARK-18188:
--------------------------------------

User 'davies' has created a pull request for this issue:
https://github.com/apache/spark/pull/15935

> Add checksum for block of broadcast
> -----------------------------------
>
>                 Key: SPARK-18188
>                 URL: https://issues.apache.org/jira/browse/SPARK-18188
>             Project: Spark
>          Issue Type: Improvement
>            Reporter: Davies Liu
>            Assignee: Davies Liu
>
> There is an understanding issue for a long time: https://issues.apache.org/jira/browse/SPARK-4105, without any checksum for the blocks, it's very hard for us to identify where is the bug came from.
> Shuffle blocks are compressed separate (have checksum in it), but broadcast blocks are compressed together, we should add checksum for each of separately.



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