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From Yuheng Du <yuheng.du.h...@gmail.com>
Subject Kafka vs RabbitMQ latency
Date Wed, 05 Aug 2015 01:42:44 GMT
Hi guys,

I was reading a paper today in which the latency of kafka and rabbitmq is
compared:
http://downloads.hindawi.com/journals/js/2015/468047.pdf

To my surprise, kafka has shown some large variations of latency as the
number of records per second increases.

So I am curious about why is that. Also in the
ProducerPerformanceTest: in/kafka-run-class.sh
org.apache.kafka.clients.tools.ProducerPerformance test7 50000000 100 -1
*acks=1* bootstrap.servers=esv4-hcl198.grid.linkedin.com:9092
buffer.memory=67108864 batch.size=8196

Setting acks = 1 means the producer will wait for ack from leader replica,
right? Could that be the reason which affects latency? If I set it to 0, it
will make the producers send as fast as possible therefore the throughput
can increase and latency decrease in the test results?

Thanks for answering.

best,

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