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[expand - 1 more] - Re: GraphX ShortestPaths backwards? - Spark - [mail # dev]
...I created https://issues.apache.org/jira/browse/SPARK-5343 for this.From: Michael Malak To: "[EMAIL PROTECTED]" Cc: Sent: Monday, January 19, 2015 5:09 PMSubject: GraphX ShortestPaths backwa...
   Author: Michael Malak, 2015-01-21, 04:22
[SPARK-5343] ShortestPaths traverses backwards - Spark - [issue]
...GraphX ShortestPaths seems to be following edges backwards instead of forwards:import org.apache.spark.graphx._val g = Graph(sc.makeRDD(Array((1L,""), (2L,""), (3L,""))), sc.makeRDD(Array(Ed...
http://issues.apache.org/jira/browse/SPARK-5343    Author: Michael Malak, 2015-01-21, 04:20
[expand - 1 more] - Re: GraphX vertex partition/location strategy - Spark - [mail # dev]
...But wouldn't the gain be greater under something similar to EdgePartition1D (but perhaps better load-balanced based on number of edges for each vertex) and an algorithm that primarily follow...
   Author: Michael Malak, 2015-01-19, 21:33
GraphX doc: triangleCount() requirement overstatement? - Spark - [mail # dev]
...According to:https://spark.apache.org/docs/1.2.0/graphx-programming-guide.html#triangle-counting "Note that TriangleCount requires the edges to be in canonical orientation (srcId < dstId)...
   Author: Michael Malak, 2015-01-19, 04:36
[SPARK-5064] GraphX rmatGraph hangs - Spark - [issue]
...org.apache.spark.graphx.util.GraphGenerators.rmatGraph(sc, 4, 8)It just outputs "0 edges" and then locks up.A spark-user message reports similar behavior:http://mail-archives.apache.org/mod_...
http://issues.apache.org/jira/browse/SPARK-5064    Author: Michael Malak, 2015-01-08, 13:32
Re: RDD Moving Average - Spark - [mail # user]
...Asim Jalis  writes:You should consider map()ing to (K,V) Tuple2's where K identifies the timestamp number (e.g. if you want 5-minute windows, then it could be the timestamp rounded down...
   Author: Michael Malak, 2015-01-06, 20:47
[expand - 1 more] - Re: GraphX rmatGraph hangs - Spark - [mail # dev]
...Thank you. I created https://issues.apache.org/jira/browse/SPARK-5064From: xhudik To: [EMAIL PROTECTED]Cc: Sent: Saturday, January 3, 2015 2:04 PMSubject: Re: GraphX rmatGraph hangsHi Michae...
   Author: Michael Malak, 2015-01-04, 12:57
[SPARK-1857] map() with lookup() causes exception - Spark - [issue]
...Using map() and lookup() in conjunction throws an exceptionval a = sc.parallelize(Array(11))val m = sc.parallelize(Array((11,21)))a.map(m.lookup(_)(0)).collect14/05/14 15:03:35 ERROR Executo...
http://issues.apache.org/jira/browse/SPARK-1857    Author: Michael Malak, 2014-11-24, 04:53
Re: Rdd of Rdds - Spark - [mail # user]
...On Wednesday, October 22, 2014 9:06 AM, Sean Owen  wrote:Depending on one's needs, one could also consider the matrix (RDD[Vector]) operations provided by MLLib, such ashttps://spark.ap...
   Author: Michael Malak, 2014-10-22, 21:38
Re: UpdateStateByKey - How to improve performance? - Spark - [mail # user]
...Depending on the density of your keys, the alternative signaturedef updateStateByKey[S](updateFunc: (Iterator[(K, Seq[V], Option[S])]) ? Iterator[(K, S)], partitioner: Partitioner, rememberP...
   Author: Michael Malak, 2014-08-06, 21:07
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB