Yuheng, are you performing these tests locally or using a service such as AWS? I'd try using each separate machine individually first, connecting to the ZK/Kafka servers and ensuring that each is able to first log and consume messages independently.
On Tue, Jul 14, 2015 at 1:17 PM, Gwen Shapira <[email protected]> wrote: > Are there any errors on the broker logs? > > On Tue, Jul 14, 2015 at 11:57 AM, Yuheng Du <[email protected]> > wrote: > > Jiefu, > > > > Thank you. The three producers can run at the same time. I mean should > they > > be started at exactly the same time? (I have three consoles from each of > > the three machines and I just start the console command manually one by > > one) Or a small variation of the starting time won't matter? > > > > Gwen and Jiefu, > > > > I have started the three producers at three machines, after a while, all > of > > them gives a java.net.ConnectException: > > > > [2015-07-14 12:56:46,352] WARN Error in I/O with producer0-link-0/ > > 192.168.1.1 (org.apache.kafka.common.network.Selector) > > > > java.net.ConnectException: Connection refused...... > > > > [2015-07-14 12:56:48,056] WARN Error in I/O with producer1-link-0/ > > 192.168.1.2 (org.apache.kafka.common.network.Selector) > > > > java.net.ConnectException: Connection refused..... > > > > What could be the cause? > > > > Thank you guys! > > > > > > > > > > On Tue, Jul 14, 2015 at 2:47 PM, JIEFU GONG <[email protected]> wrote: > > > >> Yuheng, > >> > >> Yes, if you read the blog post it specifies that he's using three > separate > >> machines. There's no reason the producers cannot be started at the same > >> time, I believe. > >> > >> On Tue, Jul 14, 2015 at 11:42 AM, Yuheng Du <[email protected]> > >> wrote: > >> > >> > Hi, > >> > > >> > I am running the performance test for kafka. > >> > https://gist.github.com/jkreps > >> > /c7ddb4041ef62a900e6c > >> > > >> > For the "Three Producers, 3x async replication" scenario, the command > is > >> > the same as one producer: > >> > > >> > bin/kafka-run-class.sh > org.apache.kafka.clients.tools.ProducerPerformance > >> > test 50000000 100 -1 acks=1 > >> > bootstrap.servers=esv4-hcl198.grid.linkedin.com:9092 > >> > buffer.memory=67108864 batch.size=8196 > >> > > >> > So How to I run the test for three producers? Do I just run them on > three > >> > separate servers at the same time? Will there be some error in this > way > >> > since the three producers can't be started at the same time? > >> > > >> > Thanks. > >> > > >> > best, > >> > Yuheng > >> > > >> > >> > >> > >> -- > >> > >> Jiefu Gong > >> University of California, Berkeley | Class of 2017 > >> B.A Computer Science | College of Letters and Sciences > >> > >> [email protected] <[email protected]> | (925) 400-3427 > >> > -- Jiefu Gong University of California, Berkeley | Class of 2017 B.A Computer Science | College of Letters and Sciences [email protected] <[email protected]> | (925) 400-3427
