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[expand - 1 more] - 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...
   Author: Magnus Edenhill, 2014-01-10, 13:39
Re: About speed contorl in Kafka - Kafka - [mail # user]
...Sounds to me your consumer performance is the problem, not the producer.So either make your consumers faster or make them consume but drop messagesto keep up with the producer speed.This als...
   Author: Magnus Edenhill, 2013-12-12, 17:20
Re: Anyone working on a Kafka book? - Kafka - [mail # user]
...There is this one:http://www.packtpub.com/develop-custom-message-producers-and-consumers-using-apache-kafka/book2013/12/10 S Ahmed > Is there a book or this was just an idea?>>> ...
   Author: Magnus Edenhill, 2013-12-10, 15:33
Re: Updated kafka client (producer and consumer) - Kafka - [mail # user]
...Produce requests in 0.7 are fire-and-forget since there is noacknowledgements being returned by the broker.0.8 fixes this by the optional use of required.acks.I dont know if a non-JVM client...
   Author: Magnus Edenhill, 2013-12-06, 10:03
Re: are topics and partitions dynamic? - Kafka - [mail # user]
...See the configuration reference here:https://kafka.apache.org/documentation.html#configuration2013/12/4 Arjun > hi,>> I was just looking at kafka 0.8, I could not find any option in...
   Author: Magnus Edenhill, 2013-12-04, 15:17
[expand - 3 more] - Re: librdkafka 0.8.0 released - Kafka - [mail # dev]
...Producing to one partition, no replication, required.acks = 0:% 1000000 messages and 100000000 bytes produced in 1215ms: 822383 msgs/sand 82.24 Mb/s, 0 messages failed, no compressionProduci...
   Author: Magnus Edenhill, 2013-11-25, 21:16
Changed ordering guarantee with multiple in-flight messages - Kafka - [mail # dev]
...Hi,I noticed Joel Koshy's update to the protocol guide wiki athttps://cwiki.apache.org/confluence/display/KAFKA/A+Guide+To+The+Kafka+ProtocolThis sentence was added:"The broker allows only a...
   Author: Magnus Edenhill, 2013-11-22, 07:34
Re: Anyone running kafka with a single broker in production? what about only 8GB ram? - Kafka - [mail # user]
...Make sure the fetch batch size and the local consumer queue sizes are largeenough, setting them too low will limit your throughput to thebrokerclient latency.This would be controlled using t...
   Author: Magnus Edenhill, 2013-10-11, 17:57
Confluence wiki not editable - Kafka - [mail # dev]
...Hi,it seems the confluence wiki is not editable by mere (logged in) mortalsanymore.E.g.: https://cwiki.apache.org/confluence/display/KAFKA/ClientsIs this intentional?Can it be remedied? At l...
   Author: Magnus Edenhill, 2013-10-07, 17:31
Re: Sending huge binary files via Kafka? - Kafka - [mail # user]
...It would be possible to modify an existing client implementation to usesendfile(2) to pass message contents from/to the filesystem rather than(pre-)allocatingsend&receive buffers, Thus provi...
   Author: Magnus Edenhill, 2013-09-05, 10:29
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