Alexander Ulanov created SPARK-9436: ---------------------------------------
Summary: Merge joins in Pregel Key: SPARK-9436 URL: https://issues.apache.org/jira/browse/SPARK-9436 Project: Spark Issue Type: Improvement Components: GraphX Affects Versions: 1.4.0 Reporter: Alexander Ulanov Priority: Minor Fix For: 1.4.0 Pregel code contains two consecutive joins: ``` g.vertices.innerJoin(messages)(vprog) ... g = g.outerJoinVertices(newVerts) { (vid, old, newOpt) => newOpt.getOrElse(old) } ``` They can be replaced by one join. Ankur Dave proposed a patch based on our discussion in mailing list: https://www.mail-archive.com/dev@spark.apache.org/msg10316.html -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org