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 > > > >
