2nd option is usually the way to go and if it involves I/O operations
dispatcher of thread-pool type will behave better than a fork-join.
HTH,
Guido.
On Sunday, April 30, 2017 at 8:24:53 AM UTC+1, Thibault Meyer wrote:
>
> Hello,
>
>
> what is the best way to proceed with blocking operation ?
>
>
> 1. Rise up the number of thread of the default-dispatcher or change it to
> fixed size thread pool?
>
> or
>
> 2. don't touch default values for default-dispatcher and use another
> dispatcher (eg : my-blocking-dispatcher) with a fixed size thread pool?
>
>
>
> What is the criteria to determine if this is a blocking operation or not ?
> By example, is this code blocking or not ?
>
>
> path(PathMatchers.segment("uuid-v4")
> .slash(PathMatchers.integerSegment()), count ->
> get(() -> {
> final Source<ByteString, ?> source = Source
> .fromIterator(
> () ->
> Stream.generate(() ->
> UUID.randomUUID().toString() + "\n"
> ).iterator()
> )
> .map(ByteString::fromString)
> .take(count < 100000 ? count : 100000);
> return complete(HttpResponse.create()
> .withEntity(
> HttpEntities.createChunked(ContentTypes.
> TEXT_PLAIN_UTF8, source)
> )
> );
> })
> ),
>
>
>
> Thanks
>
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