Re: Spark - GraphX pregel like with global variables (accumulator / broadcast)

2014-08-27 Thread BertrandR
context: http://apache-spark-user-list.1001560.n3.nabble.com/Spark-GraphX-pregel-like-with-global-variables-accumulator-broadcast-tp12742p12895.html Sent from the Apache Spark User List mailing list archive at Nabble.com. - To uns

Re: Spark - GraphX pregel like with global variables (accumulator / broadcast)

2014-08-26 Thread Ankur Dave
At 2014-08-26 01:20:09 -0700, BertrandR wrote: > I actually tried without unpersisting, but given the performance I tryed to > add these in order to free the memory. After your anwser I tried to remove > them again, but without any change in the execution time... This is probably a related issue

Re: Spark - GraphX pregel like with global variables (accumulator / broadcast)

2014-08-26 Thread BertrandR
completed. Is this still related to unpersisting ? I'm mostly a mathematician, and so I'm not well acquainted with the depth of Spark... -- View this message in context: http://apache-spark-user-list.1001560.n3.nabble.com/Spark-GraphX-pregel-like-with-global-variables-accumulato

Re: Spark - GraphX pregel like with global variables (accumulator / broadcast)

2014-08-25 Thread Ankur Dave
At 2014-08-25 06:41:36 -0700, BertrandR wrote: > Unfortunately, this works well for extremely small graphs, but it becomes > exponentially slow with the size of the graph and the number of iterations > (doesn't finish 20 iterations with graphs having 48000 edges). > [...] > It seems to me that a

Spark - GraphX pregel like with global variables (accumulator / broadcast)

2014-08-25 Thread BertrandR
iter = iter + 1 } } -- View this message in context: http://apache-spark-user-list.1001560.n3.nabble.com/Spark-GraphX-pregel-like-with-global-variables-accumulator-broadcast-tp12742.html Sent from the Apache Spark User List mailing list archive at Nabble.com.