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On 11/14/2023 18:19，王有胜<wonderfulserendipi...@gmail.com> wrote： Thanks for your answer, I set a large min.insync.replicas for the topic and I can see in the console log that Kafka Sender keeps retrying. Haruki Okada <ocadar...@gmail.com> 于2023年11月13日周一 16:50写道： will the callback be executed for each retry The callback will be triggered only once when the produce is finally ended up with succeeded or failed after retries. is there any way to make Kafka producers retry locally Easiest way would be to make produce failing artificially. it can be done by e.g.: - set acks=all and set topic's min.insync.replicas to impossibly large value - use iptables between producer and broker to block the network connectivity 2023年11月12日(日) 18:10 王有胜 <wonderfulserendipi...@gmail.com>: Hi Community, I use Kafka Java Client to send messages asynchronously. I wonder if the producer fails to send a message, during the retry period, will the callback be executed for each retry? I debugged the source code org.apache.kafka.clients.producer.internals.Sender#canRetry and org.apache.kafka.clients.producer.internals.Sender#reenqueueBatch parts, and I'm still not sure. Can anyone help answer this question? In addition, is there any way to make Kafka producers retry locally? I want to completely understand the code logic. Thanks! -- ======================== Okada Haruki ocadar...@gmail.com ========================
