The timezone we are operating is Indian Standard Time (IST). So you will see times like 2013-05-17 11:54:02.973 in the messages below.
On Fri, May 17, 2013 at 12:59 PM, Kishore V. Kopalle < kish...@greenmedsoft.com> wrote: > Hi Mathias, > > Yes they are. But we are talking about a single box running Zoo Keeper, > Kafka server and the Consumer/Producer. > > Regards, > Kishore > > On Fri, May 17, 2013 at 12:53 PM, Mathias Herberts < > mathias.herbe...@gmail.com> wrote: > >> Just for the sake of it, are your clocks synchronized using NTP? >> >> On Fri, May 17, 2013 at 8:28 AM, Kishore V. Kopalle >> <kish...@greenmedsoft.com> wrote: >> > Hi Francis/Stone, >> > >> > I have modified log.default.flush.interval.ms to have a value of 1 in >> > config/server.properties file. The time did not come down as can be seen >> > from the following output: >> > >> > Message received at 2013-05-17 11:54:02.973: Message produced at >> 2013-05-17 >> > 11:54:01.444: Message_1 >> > Message received at 2013-05-17 11:54:02.974: Message produced at >> 2013-05-17 >> > 11:54:01.536: Message_2 >> > Message received at 2013-05-17 11:54:02.974: Message produced at >> 2013-05-17 >> > 11:54:01.537: Message_3 >> > and so on... >> > >> > Regards, >> > Kishore >> > >> > On Fri, May 17, 2013 at 11:49 AM, Francis Dallaire < >> > francis.dalla...@ubisoft.com> wrote: >> > >> >> +1 ... very good suggestion. >> >> >> >> >> >> Sent from Samsung Mobile >> >> >> >> >> >> >> >> -------- Original message -------- >> >> From: Stone <stones....@gmail.com> >> >> Date: 05-17-2013 2:16 AM (GMT-05:00) >> >> To: users@kafka.apache.org >> >> Subject: Re: Kafka performance >> >> >> >> >> >> Hi Kishore, >> >> >> >> Since a message is only exposed to the consumers after it is flushed. >> Maybe >> >> you can try lower log.default.flush.interval.ms which controls the >> maximum >> >> time that a message in any topic is kept in memory before flushed to >> disk ( >> >> by default it's 3000ms ) >> >> >> >> ref - http://kafka.apache.org/07/configuration.html >> >> >> >> Best Regards, >> >> Stone >> >> >> >> >> >> On Fri, May 17, 2013 at 12:46 PM, Kishore Kopalle <kkopa...@gmail.com >> >> >wrote: >> >> >> >> > Hello All, >> >> > >> >> > I am evaluating Kafka for use in a real time financial product. I am >> >> tying >> >> > to calculate the time it takes for a message to be fetched by the >> >> consumer >> >> > after it has been sent by a producer. I am finding that this takes a >> long >> >> > time of between 900-1200 ms per message on Windows 7 single core >> >> processor. >> >> > Is this the expected result? This seems to be very slow. All my >> configs >> >> are >> >> > default except for the following properties being put: >> >> > props.put("zk.sessiontimeout.ms", "400"); >> >> > props.put("zk.synctime.ms", "200"); >> >> > props.put("autocommit.interval.ms", "1000"); >> >> > >> >> > Am I missing any configuration steps for server/producer/consumer? >> >> > >> >> > Thanks in advance for answering, >> >> > Kishore >> >> > >> >> >> > >
