Ewen Cheslack-Postava created KAFKA-3847:
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Summary: Connect tasks should not share a producer
Key: KAFKA-3847
URL: https://issues.apache.org/jira/browse/KAFKA-3847
Project: Kafka
Issue Type: Improvement
Components: KafkaConnect
Affects Versions: 0.10.0.0
Reporter: Ewen Cheslack-Postava
Assignee: Ewen Cheslack-Postava
Priority: Critical
Fix For: 0.10.1.0
Currently the tasks share a producer. This is nice in terms of potentially
coalescing requests to the same broker, keeping port usage reasonable,
minimizing the # of connections to brokers (which is nice for brokers, not so
important for connect itself). But it also means we unnecessarily tie tasks to
each other in other ways -- e.g. when one needs to flush, it we effectively
block it on other connector's data being produced and acked.
Given that we allocate a consumer per sink, a lot of the arguments for sharing
a producer effectively go away. We should decouple the tasks by using a
separate producer for each task (or, at a minimum, for each connector's tasks).
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