Hello Sa, KAFKA-1490 introduces a new step of downloading the wrapper, details are included in the latest README file.
Guozhang On Thu, Oct 2, 2014 at 11:00 AM, Sa Li <sal...@gmail.com> wrote: > Thanks, Jay, > > Here is what I did this morning, I git clone the latest version of kafka > from git, (I am currently using kafka 8.0) now it is 8.1.1, and it use > gradle to build project. I am having trouble to build it. I installed > gradle, and run ./gradlew jar in kafka root directory, it comes out: > Error: Could not find or load main class > org.gradle.wrapper.GradleWrapperMain > > Any idea about this. > > Thanks > > Alec > > On Wed, Oct 1, 2014 at 9:21 PM, Jay Kreps <jay.kr...@gmail.com> wrote: > > > Hi Sa, > > > > That script was developed with the new producer that is included on > > trunk. Checkout trunk and build and it should be there. > > > > -Jay > > > > On Wed, Oct 1, 2014 at 7:55 PM, Sa Li <sal...@gmail.com> wrote: > > > Hi, All > > > > > > I built a 3-node kafka cluster, I want to make performance test, I > found > > someone post following thread, that is exactly the problem I have: > > > ------------- > > > While testing kafka producer performance, I found 2 testing scripts. > > > > > > 1) performance testing script in kafka distribution > > > > > > bin/kafka-producer-perf-test.sh --broker-list localhost:9092 --messages > > > 10000000 --topic test --threads 10 --message-size 100 --batch-size > 10000 > > > --compression-codec 1 > > > > > > 2) performance testing script mentioned in > > > > > > > > > https://engineering.linkedin.com/kafka/benchmarking-apache-kafka-2-million-writes-second-three-cheap-machines > > > > > > bin/kafka-run-class.sh > > > org.apache.kafka.clients.tools.ProducerPerformance test6 50000000 100 > > > -1 acks=1 bootstrap.servers=esv4-hcl198.grid.linkedin.com:9092 > > > buffer.memory=67108864 batch.size=8196 > > > > > > based on org.apache.kafka.clients.producer.Producer. > > > > > > —————— > > > > > > > > > I was unable to duplicate either of above method, I figure the commands > > are outdated, anyone point me how to do such test with new command? > > > > > > > > > thanks > > > > > > Alec > > > > > > -- > > Alec Li > -- -- Guozhang
