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Posted to issues@spark.apache.org by "Cookies (JIRA)" <ji...@apache.org> on 2014/11/05 14:01:33 UTC

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

Cookies created SPARK-4249:
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             Summary: 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`



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