Asynchronous Producer Retry Behaviour

2020-01-31 Thread Trinity Xia
Hi group, I am wondering what is the retry behavior of asynchronous producer. Does asynchronous producer retry to send messages if it doesn't receive a response from a broker for a certain amount of time? Thank you for the help! Trinity

Re: Kafka Streams - offset number affected by "exactly once processing guarantee"

2019-06-21 Thread Trinity Xia
ated issue with regard to transnational markers: > https://issues.apache.org/jira/browse/KAFKA-6607 Lag will never be > reported as zero, because of the tailing transactional markers. > > > > The number of stored messages in a partition are not exposed in Kafka > and I am not aware

Kafka Streams - offset number affected by "exactly once processing guarantee"

2019-06-20 Thread Trinity Xia
Hi, We are using Kafka Streams 2.2.1 and Kafka 2.2.0, and we noticed that the end offset number is larger than the numbers of events sent to a topic if we set *processing guarantee* as *exactly once* in a Kafka Streams app. For example, if we send 2615 events to an empty topic, we expect the end