They can. You can read more about configuring the new java producer here: http://kafka.apache.org/documentation.html#newproducerconfigs
Thanks, Grant On Wed, Apr 1, 2015 at 12:34 PM, sunil kalva <sambarc...@gmail.com> wrote: > Does these config params has effect when i try to simulate "sync" mode by > not passing callback ? > > On Wed, Apr 1, 2015 at 10:32 PM, Mayuresh Gharat < > gharatmayures...@gmail.com> wrote: > >> Whats your "linger.ms" and "batch.size" ? >> >> Thanks, >> >> Mayuresh >> >> On Wed, Apr 1, 2015 at 5:51 AM, sunil kalva <sambarc...@gmail.com> wrote: >> >> > I am trying to simulate "sync" call using following code, >> > >> > try { >> > >> > Future<RecordMetadata> send = producer.send(new >> > ProducerRecord<byte[],byte[]>("the-topic", "key".getBytes(), >> > "value".getBytes())).get(); >> > >> > send.get(); >> > >> > System.out.println("Time = " + (System.currentTimeMillis() - b)); >> > } catch (Exception e) { >> > >> > } >> > >> > And i am using new "org.apache.kafka.clients.producer.KafkaProducer" >> > class for sending messages, each message is taking more than 100ms, >> > am i missing something. If i use old "kafka.javaapi.producer.Produce" >> > it is giving the desired throughput. >> > >> > Please advice me hot to fix this. >> > >> > >> > On Tue, Mar 31, 2015 at 11:21 PM, sunil kalva <sambarc...@gmail.com> >> > wrote: >> > >> > > thanks ghenke, that was a quick response. I will test and will let you >> > > know if i have some questions. >> > > >> > > On Tue, Mar 31, 2015 at 11:17 PM, Grant Henke <ghe...@cloudera.com> >> > wrote: >> > > >> > >> I think you are looking at is this section: >> > >> >> > >> > If you want to simulate a simple blocking call you can do the >> > following: >> > >> > >> > >> > producer.send(new ProducerRecord<byte[],byte[]>("the-topic", >> > >> "key".getBytes(), "value".getBytes())).get(); >> > >> > >> > >> > What that is doing is calling .get() on the Future returned by the >> > send >> > >> method. This will block until the message is sent or an exception is >> > >> thrown. >> > >> >> > >> The documentation for Future is here: >> > >> >> > >> >> > >> http://docs.oracle.com/javase/7/docs/api/java/util/concurrent/Future.html#get() >> > >> >> > >> On Tue, Mar 31, 2015 at 12:30 PM, sunil kalva <sambarc...@gmail.com> >> > >> wrote: >> > >> >> > >> > Hi >> > >> > According to this >> > >> > >> > >> > >> > >> >> > >> http://kafka.apache.org/082/javadoc/index.html?org/apache/kafka/clients/producer/KafkaProducer.html >> > >> > documentation, if i don't pass callback it will work as blocking >> call, >> > >> Does >> > >> > it mean that message will be immediately sent to kafka cluster and >> all >> > >> > possible exceptions will be throws immediately if not able to send >> ? >> > >> > >> > >> > -- >> > >> > SunilKalva >> > >> > >> > >> >> > >> >> > >> >> > >> -- >> > >> Grant Henke >> > >> Solutions Consultant | Cloudera >> > >> ghe...@cloudera.com | 920-980-8979 >> > >> twitter.com/ghenke <http://twitter.com/gchenke> | >> > >> linkedin.com/in/granthenke >> > >> >> > > >> > > >> > > >> > > -- >> > > SunilKalva >> > > >> > >> > >> > >> > -- >> > SunilKalva >> > >> >> >> >> -- >> -Regards, >> Mayuresh R. Gharat >> (862) 250-7125 >> > > > > -- > SunilKalva > -- Grant Henke Solutions Consultant | Cloudera ghe...@cloudera.com | twitter.com/ghenke <http://twitter.com/gchenke> | linkedin.com/in/granthenke