Filed https://issues.apache.org/jira/browse/KAFKA-164 for this.
-Jay On Thu, Oct 20, 2011 at 7:56 AM, Jay Kreps <jay.kr...@gmail.com> wrote: > This is a good point. I recommend we change the default to something higher > and set time-based flush to 1 sec. > > -Jay > > > On Thu, Oct 20, 2011 at 7:09 AM, Tim Lossen <t...@lossen.de> wrote: > >> ok, never mind, we found the culprit. the default server config >> contains the following setting: >> >> > #the number of messages to accept without flushing the log to disk >> > log.flush.interval=1 >> >> we changed this value to 10000 now, and the performance is excellent. >> maybe not the most sensible default value? >> >> cheers >> tim >> >> >> On 2011-10-20, at 11:00 , Tim Lossen wrote: >> >> > hello, >> > >> > we have been playing around with kafka the last few days, and on >> > our developer machines (osx 10.6) everythings looks fine. but on >> > linux (ubuntu 11.04) we get very strange behaviour: >> > >> > - the producer seems to get stuck after a few thousand messages >> > - the consumer seems to run very slowly >> > >> > (kafka 0.6, java 1.6.0, default server + zookeeper configuration, >> > simple producer and consumer scripts written in ruby -- everything >> > running on same machine.) >> > >> > maybe there is something wrong with the os-level network config? >> > other ideas? any hints / suggestions welcome. >> > >> > cheers >> > tim >> > >> > -- >> > http://tim.lossen.de >> > >> > >> > >> >> -- >> http://tim.lossen.de >> >> >> >> >