Apurva Mehta created KAFKA-5640:
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Summary: Look into making acks=all the default setting.
Key: KAFKA-5640
URL: https://issues.apache.org/jira/browse/KAFKA-5640
Project: Kafka
Issue Type: Sub-task
Reporter: Apurva Mehta
Assignee: Apurva Mehta
Fix For: 1.0.0
KAFKA-5494 proposed dropping the requirement for
{{max.inflight.requests.per.connection=1}} for the idempotent producer.
That is a stepping stone to enabling the idempotent producer by default without
sacrificing performance.
A further step would be making {{acks=all}} the default setting as well. Then,
with {{enable.idempotence=true}}, {{max.inflight.requests.per.connection=5}},
{{acks=all}}, {{retries=MAX_INT}}, we would have exactly once semantics with
strong durability guarantees.
This particular ticket is about investigating the performance degradation
caused by {{acks=all}}. How much does throughput degrade? If it is significant,
are there low hanging fruit in terms of code or config changes which would
allow us to bridge most of the gap?
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