yapxue commented on PR #17182:
URL: https://github.com/apache/pulsar/pull/17182#issuecomment-1221700238
> the doc for `Consumer#pause` is
>
> ```
> /**
> * Stop requesting new messages from the broker until {@link #resume()} is
called. Note that this might cause
> * {@link #receive()} to block until {@link #resume()} is called and new
messages are pushed by the broker.
> */
> ```
>
> it doesn't say anything about stop receiving message instantly, I think
current behavior is acceptable?
User may expect stop receive instanly. Is it possible to change the api doc?
For example in kafka, after pause is invoked, consumer just have empty poll
and prefeched messages stay in cache. This mismatched behavior may surprise
users migrated from kafka.
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