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From Jun Rao <...@confluent.io>
Subject Re: latency - how to reduce?
Date Thu, 01 Jan 2015 00:20:21 GMT
What's your setting of log.flush.interval.messages on the broker?

Thanks,

Jun

On Mon, Dec 29, 2014 at 3:26 AM, Shlomi Hazan <shlomi@viber.com> wrote:

> Hi,
> I am using 0.8.1.1, and I have hundreds of msec latency at best and even
> seconds at worst.
> I have this latency both on production, (with peak load of 30K msg/sec,
> replication = 2 across 5 brokers, acks = 1),
> and on the local windows machine using just one process for each of
> producer, zookeeper, kafka, consumer.
> Also tried batch.num.messages=1 and producer.type=sync on the local machine
> but saw no improvement.
> How can I push latency down to several millis, at least when running local?
> Thanks,
> Shlomi
>

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