Hi Johnson,
if you use a `cachedHostConnectionPool`, the pool itself is a shared
resource that is managed by the infrastructure. If you don't do anything
else, the pool will shutdown itself after
the akka.http.host-connection-pool.idle-timeout has passed. If you want
manual control, the `HostConnectionPool` object materialized by
`cachedHostConnectionPool` has a `shutdown` method you can call to shutdown
this pool at any time.
Use
val (queue, pool) =
Source.queue(...).viaMat(pool)(Keep.right).toMat(...).run
to get access to the pool.
HTH
Johannes
On Sunday, February 26, 2017 at 5:08:31 PM UTC+1, Johnson Liu wrote:
>
> Hello,
>
> I am using akka http connection pool like this:
>
> val pool = Http().cachedHostConnectionPool[Promise[HttpResponse]](host,
> port)
>
> val source = Source.queue[(HttpRequest,
> Promise[HttpResponse])](connectionOverflowBufferSize,
> OverflowStrategy.dropNew)
> .via(pool)
> .toMat(Sink.foreach {
> case ((Success(resp), p)) => p.success(resp)
> case ((Failure(e), p)) => p.failure(e)
> })(Keep.left)
> .run
>
> When I am done with the http flow, if I do source.complete(), does it mean
> that the connection pool is automatically shut down or I have to do it
> manually? I couldn't find it in the documentation. Thanks.
>
> Johnson
>
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