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From onpoq l <onpo...@gmail.com>
Subject Re: Issue while trying to aggregate with a sliding window
Date Wed, 18 Jun 2014 00:30:28 GMT
There is a bug:

https://github.com/apache/spark/pull/961#issuecomment-45125185


On Tue, Jun 17, 2014 at 8:19 PM, Hatch M <hatchman1981@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
>

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