Github user mallman commented on a diff in the pull request:
https://github.com/apache/spark/pull/15125#discussion_r102292537
--- Diff: graphx/src/main/scala/org/apache/spark/graphx/Pregel.scala ---
@@ -122,27 +125,39 @@ object Pregel extends Logging {
require(maxIterations > 0, s"Maximum number of iterations must be
greater than 0," +
s" but got ${maxIterations}")
- var g = graph.mapVertices((vid, vdata) => vprog(vid, vdata,
initialMsg)).cache()
+ val checkpointInterval = graph.vertices.sparkContext.getConf
+ .getInt("spark.graphx.pregel.checkpointInterval", 10)
--- End diff --
I would also suggest incorporating this change into the Spark 2.2 release
notes under a section for GraphX, but I don't see where these notes are
maintained. The release notes for 2.1 are published at
http://spark.apache.org/releases/spark-release-2-1-0.html, but I can't find
them in the repo. Anybody know how these are generated or how to contribute to
them? Is there another repo for this documentation?
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