Hi,
this is related to your other question about count windows. The source
emits 29 values so we only have two count-windows with 10 elements each.
The last window is never triggered.
Cheers,
Aljoscha
On Wed, 20 Apr 2016 at 23:52 Kostya Kulagin <kkula...@gmail.com> wrote:
> I think it has smth to do with parallelism and I probably do not have
> clear understanding how parallelism works in flink but in this example:
>
> StreamExecutionEnvironment env =
> StreamExecutionEnvironment.getExecutionEnvironment();
> DataStreamSource<Long> source = env.addSource(new SourceFunction<Long>() {
>
> @Override
> public void run(SourceContext<Long> ctx) throws Exception {
> LongStream.range(0, 29).forEach(ctx::collect);
> }
>
> @Override
> public void cancel() {
>
> }
> });
>
> source.countWindowAll(10).apply(new AllWindowFunction<Long, Long,
> GlobalWindow>() {
> @Override
> public void apply(GlobalWindow window, Iterable<Long> values,
> Collector<Long> out) throws Exception {
> for (Long value : values) {
> if (value % 3 == 0) {
> out.collect(value);
> }
> }
> }
> }).print();
>
> env.execute("yoyoyo");
>
> Why my output is like this:
>
> 4> 9
> 1> 0
> 1> 12
> 3> 6
> 3> 18
> 2> 3
> 2> 15
>
> ? I.e. where id s value of 24 for example? I expect to see it. What am I
> doing wrong?
>
