On Thu, Sep 13, 2012 at 2:49 AM, Henry Robinson <[email protected]> wrote:
> On 12 September 2012 03:07, sun liwei <[email protected]> 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 >
