On Thu, Sep 13, 2012 at 2:49 AM, Henry Robinson <henry@cloudera.com> wrote:
> On 12 September 2012 03:07, sun liwei <sliveysun@gmail.com> wrote:
>
> > Here is what I haveļ¼
> >
> >
> > - zookeeper cluster with 3 severs
> > - 1700+ kafka topics (that means there are 1700+ children under path
> > '/brokers/topics'), these topics are written frequently by kafka.
> > - log file size is 67108880 byte, snapshot file size is 4192072
> > byte, new log/snapshot files are created every one or two minutes
> >
> > The problem is that it takes more than 40ms to getData of a single
> topic. I
> > have another zookeeper cluster and the getData takes no more than 2ms to
> > getData of a single path. This cluster doesn't server kafka.
> >
> > Any body knows why the performance is so bad?
> >
>
> How big (in terms of bytes) are the topic nodes that you are getting? Are
> they the same size as the nodes in the better-performing cluster?
>
actually, the data of the topic is null. yes, they are the same.
>
> Henry
>
>
> >
> > Many thanks and best regards.
> >
> > Liwei
> >
>
>
>
> --
> Henry Robinson
> Software Engineer
> Cloudera
> 415-994-6679
>
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