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Re: Performance/Stress tools - Kafka - [mail # user]
...Hi Dayo,the rdkafka_performance tool from librdkafka is useful for performancemeasurements / stress testing.https://github.com/edenhill/librdkafkaIt resides in the examples/ directory.https:...
   Author: Magnus Edenhill, 2014-07-21, 22:37
Re: Kafka latency measures - Kafka - [mail # user]
...Hi,do these spikes happen to correlate with log.flush.interval.messages orlog.flush.interval.ms?If so it's the file system sync blockage you are seeing./Magnus2014-06-18 16:31 GMT+02:00 Supu...
   Author: Magnus Edenhill, 2014-06-18, 15:16
Re: console producer question - Kafka - [mail # user]
...Hey Ian,this is where a tool like kafkacat comes in handy, it will use a randompartitioner by default (without the need for defining a key):  tail -f /my/log | kafkacat -b mybroker...
   Author: Magnus Edenhill, 2014-04-10, 00:40
Re: Kafka snappy compression - Kafka - [mail # user]
...Some notes on this: - remember that Messages are wrapped in a compressed MessageSet that iswrapped in an outer Message which is wrapped in an outer MessageSet (themind boggles). - ...
   Author: Magnus Edenhill, 2014-03-27, 12:37
Re: Java vs. C++ in Client API - Kafka - [mail # user]
...Hi,most third party clients don't feature the zookeeper and consumer grouplogic of the official scala/java clients due to the complexity of it.There are plans to move much of the consumer gr...
2 emails [+ more]    Author: Magnus Edenhill, 2014-03-22, 02:28
Re: Kafka C++ Windows Client for 0.8 Releases - Kafka - [mail # user]
...I will give it a look and see how much effort a native port would be./Magnus2014-03-19 22:20 GMT+07:00 Tianning Zhang : ...
2 emails [+ more]    Author: Magnus Edenhill, 2014-03-20, 12:53
Re: node.js native bindings - Kafka - [mail # user]
...Producer side compression is available in librdkafka 0.8.0.The consumer side compression is available in librdkafka 0.8.2 and later.All librdkafka 0.8 releases are API and ABI safe and backw...
   Author: Magnus Edenhill, 2014-02-25, 04:53
Re: How to make an async producer with c++ libkafka? - Kafka - [mail # user]
...librdkafka provides an async interface:https://github.com/edenhill/librdkafka/blob/master/rdkafka.h#L709It is written in C but is used by C++ applications, a proper C++ interfacewill be avai...
   Author: Magnus Edenhill, 2014-01-26, 03:19
Re: Kafka server occure java.nio.BufferUnderflowException - Kafka - [mail # user]
...Hey Jerry,this issue was fixed on dec 14 in commit 16915a2.If the problem persists in the latest version of librdkafka (0.8.2), pleasefile a github issue here:https://github.com/edenhill/lib...
   Author: Magnus Edenhill, 2014-01-22, 15:13
Re: Velocity on local machine - Kafka - [mail # user]
...2k msgs/s is silly, unless your messages are 10MB each, so something isclearly wrong.* What is the CPU usage and IO load when running your performance tests?* Are you using the sync producer...
2 emails [+ more]    Author: Magnus Edenhill, 2014-01-10, 13:39
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