Hi

We cannot see the image attached to this email. Maybe you can create a JIRA
ticket and attach the screenshots there.

On Wed, Jan 29, 2025 at 8:38 PM Manjunath.S Horapeti <
manjunaths.horap...@gmail.com> wrote:

> Hi Team,
>
> I'm reaching out regarding the understanding of behaviour of "
> pollTimeoutMs" and the discrepancy observed.
>
> [image: image.png]
>
> As per the documentation above from the camel kafka component page (
> https://camel.apache.org/components/4.8.x/kafka-component.html) 4.8.x
> version, the pollTimeoutMs works in tandem with "maxPollRecords", to either
> poll "maxPollRecords" or block for a maximum of "pollTimeOutMs".
>
> But the behaviour observed was that the camel route kept waiting
> until "maxPollRecords" count was reached and then processed further.
> for example: our route is as follows
>
> from("kafka:topic-name?brokers=brokers&groupId=groupid&pollTimeoutMs=10000&batching=true&maxPollRecords=50000").bean(this,
> "methodName");
>
> This route always waits until 50000 records are present in the topic and
> then processes further and ignoring pollTimeoutMs of 10000 (10 seconds).
> i.e. if the producer is producing msgs at a rate of 50-100 msgs per second,
> then application waits for nearly 500-1000 seconds before proceeding
> further that is until 50000 record count is met.
>
> We believe that the below code mentioned in the
> "KafkaRecordBatchingProcessor" is never executed as there is always one or
> two messages in poll. and hence method - "hasExpiredRecords" with condition
> consumerRecords.isEmpty() is always false.
> We believe this is making the application wait until maxPollRecords
> (50000) is reached and then proceed further.
> [image: image.png]
>
> [image: image.png]
>
> Can you please help us by letting us know if the above behaviour is as
> expected and if so then can you let us know how to pull Y messages from the
> topic or write whatever messages are received within X seconds? (exact
> behaviour mentioned in the above Batching Consumer documentation).
>
> Your response would be much appreciated.
>
>
> --
> Thank you,
> Manjunath S Horapeti
>


-- 
Claus Ibsen
-----------------
@davsclaus
Camel in Action 2: https://www.manning.com/ibsen2

Reply via email to