Jason Gustafson created KAFKA-10526:
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Summary: Explore performance impact of leader fsync deferral
Key: KAFKA-10526
URL: https://issues.apache.org/jira/browse/KAFKA-10526
Project: Kafka
Issue Type: Sub-task
Reporter: Jason Gustafson
In order to commit a write, a majority of nodes must call fsync in order to
ensure the data has been written to disk. An interesting optimization option to
consider is letting the leader defer fsync until the high watermark is ready to
be advanced. This potentially allows us to reduce the number of flushes on the
leader.
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