There is a bug: https://github.com/apache/spark/pull/961#issuecomment-45125185
On Tue, Jun 17, 2014 at 8:19 PM, Hatch M <hatchman1...@gmail.com> wrote: > Trying to aggregate over a sliding window, playing with the slide duration. > Playing around with the slide interval I can see the aggregation works but > mostly fails with the below error. The stream has records coming in at > 100ms. > > JavaPairDStream<String, AggregateObject> aggregatedDStream = > pairsDStream.reduceByKeyAndWindow(aggFunc, new Duration(60000), new > Duration(600000)); > > 14/06/18 00:14:46 INFO dstream.ShuffledDStream: Time 1403050486900 ms is > invalid as zeroTime is 1403050485800 ms and slideDuration is 60000 ms and > difference is 1100 ms > 14/06/18 00:14:46 ERROR actor.OneForOneStrategy: key not found: > 1403050486900 ms > java.util.NoSuchElementException: key not found: 1403050486900 ms > at scala.collection.MapLike$class.default(MapLike.scala:228) > > Any hints on whats going on here? > Thanks! > Hatch >
