Hi Narsi,
It's a fifo but I actually tried the simple code I've posted on a standard
one too and observed the same behavior.

On Mon, Jan 31, 2022 at 1:11 PM Narsi Reddy Nallamilli <
narsi.nallami...@gmail.com> wrote:

> Hi Arnaud,
>
> Is your AWS queue type fifo or standard?
>
> On Mon, 31 Jan, 2022, 17:31 Arnaud Level, <arn...@toro-intl.com> wrote:
>
> > Hi,
> >
> > (Camel version: camel-aws2-sqs-starter: 3.12.0)
> >
> > I am trying to use and understand concurentConsumers with a SQS queue:
> >
> >
> from("aws2-sqs://queuexxx?concurrentConsumers=5&amazonSQSClient=#sqsClient&
> > waitTimeSeconds=20")
> >                 .process(exchange -> {
> >                     System.out.println("Message received...");
> >                     })
> >                 .process(exchange -> {
> >                     try {
> >                         Thread.sleep(5000);
> >                     } catch (InterruptedException e) {
> >                         e.printStackTrace();
> >                     }});
> >
> > With the above queue, if I send 3 messages at the same time, I have to
> wait
> > 5 seconds to see the second message ("Message received...") and 5 more
> > seconds to see the third one. My understanding of concurentConsumers is
> > that with a value of 5 I would see the 3 messages at the same time since
> 3
> > threads will consume them in parallel. If I add the Thread.sleep in a
> seda
> > route, I'm having this behavior (= The 3 messages are read at the same
> > time).
> >
> > Turning on the Camel logs it seems that the next polling is done only
> after
> > the Delete for the previous message is sent (which is with a delay of
> 5s).
> >
> > I would understand the above behavior with concurentConsumers=1 but I
> don't
> > with concurentConsumers=5. Could someone tell me what I've misunderstood
> ?
> >
> > Thank you in advance!
> > Arnaud
> >
>

Reply via email to