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From Mathias Söderberg <mathias.soederb...@gmail.com>
Subject Re: Increased CPU usage with 0.8.2-beta
Date Tue, 09 Dec 2014 11:47:09 GMT
Hi Neha,

Yeah sure. I'm not familiar with hprof, so any particular options I should
include or just run with defaults?

Best regards,
Mathias

On Mon Dec 08 2014 at 7:41:32 PM Neha Narkhede <neha@confluent.io> wrote:

> Thanks for reporting the issue. Would you mind running hprof and sending
> the output?
>
> On Mon, Dec 8, 2014 at 1:25 AM, Mathias Söderberg <
> mathias.soederberg@gmail.com> wrote:
>
> > Good day,
> >
> > I upgraded a Kafka cluster from v0.8.1.1 to v0.8.2-beta and noticed that
> > the CPU usage on the broker machines went up by roughly 40%, from ~60% to
> > ~100% and am wondering if anyone else has experienced something similar?
> > The load average also went up by 2x-3x.
> >
> > We're running on EC2 and the cluster currently consists of four
> m1.xlarge,
> > with roughly 1100 topics / 4000 partitions. Using Java 7 (1.7.0_65 to be
> > exact) and Scala 2.9.2. Configurations can be found over here:
> > https://gist.github.com/mthssdrbrg/7df34a795e07eef10262.
> >
> > I'm assuming that this is not expected behaviour for 0.8.2-beta?
> >
> > Best regards,
> > Mathias
> >
>
>
>
> --
> Thanks,
> Neha
>

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