xingang created KAFKA-3062:
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Summary: Read from kafka replication to get data likely Version
based
Key: KAFKA-3062
URL: https://issues.apache.org/jira/browse/KAFKA-3062
Project: Kafka
Issue Type: Improvement
Reporter: xingang
Since Kafka require all the reading happens in the leader for the consistency.
If there could be possible for the reading can happens in replication, thus,
for data have a number of consumers, for the consumers Not latency-sensitive
But Data-Loss sensitive can fetch its data from replication, in this case, it
will pollute the Pagecache for other consumers which are latency-sensitive
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