[jira] [Commented] (SPARK-4249) A problem of EdgePartitionBuilder in Graphx

["Apache Spark (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-4249?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14200188#comment-14200188 ] 

Apache Spark commented on SPARK-4249:
-------------------------------------

User 'lianhuiwang' has created a pull request for this issue:
https://github.com/apache/spark/pull/3138

> A problem of EdgePartitionBuilder in Graphx
> -------------------------------------------
>
>                 Key: SPARK-4249
>                 URL: https://issues.apache.org/jira/browse/SPARK-4249
>             Project: Spark
>          Issue Type: Bug
>          Components: GraphX
>    Affects Versions: 1.1.0
>            Reporter: Cookies
>            Priority: Minor
>
> https://github.com/apache/spark/blob/master/graphx/src/main/scala/org/apache/spark/graphx/impl/EdgePartitionBuilder.scala#L48
> in function toEdgePartition, code snippet     " index.update(srcIds(0), 0)"
> the elements in array srcIds are all not initialized and are all 0. The effect is that if vertex ids don't contain 0, indexSize is equal to (realIndexSize + 1) and 0 is added to the `index`
> It seems that all versions have the problem



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