Re: powered by kafka

2014-11-10 Thread Mathias Herberts
Hi there, my company Cityzen Data uses Kafka as well, we provide a paltform for collecting, storing and analyzing machine data. http://www.cityzendata.com/ @CityzenData Mathias. On Mon, Nov 10, 2014 at 11:57 AM, Pierre-Yves Ritschard wrote: > I guess I should mention that exoscale (https://exo

Re: Security in 0.8.2 beta

2014-11-11 Thread Mathias Herberts
Simply encrypt your messages with a PSK between producers and consumers. On Nov 12, 2014 4:38 AM, "Kashyap Mhaisekar" wrote: > Hi, > Is there a way to secure the topics created in Kafka 0.8.2 beta? The need > is to ensure no one is asked to read data from the topic without > authorization. > > Re

Re: Kafka performance

2013-05-17 Thread Mathias Herberts
Just for the sake of it, are your clocks synchronized using NTP? On Fri, May 17, 2013 at 8:28 AM, Kishore V. Kopalle wrote: > Hi Francis/Stone, > > I have modified log.default.flush.interval.ms to have a value of 1 in > config/server.properties file. The time did not come down as can be seen > fr

Producer thread safety

2013-09-19 Thread Mathias Herberts
Hi, I'm testing Kafka 0.8 and I encounter an error when accessing a Producer from mutliple threads. I've always thought Producer was thread safe but it seems this is no longer the case. This is the stack trace of the error I'm getting: java.util.ConcurrentModificationException at java.util.A

Re: Producer thread safety

2013-09-19 Thread Mathias Herberts
Please ignore this report, the problem was triggered by another thread clearing the list currently being sent. Sorry for the noise. On Thu, Sep 19, 2013 at 11:34 AM, Mathias Herberts < mathias.herbe...@gmail.com> wrote: > Hi, > > I'm testing Kafka 0.8 and I encounter an er

Re: Kafka over Satellite links

2016-03-03 Thread Mathias Herberts
Sat links induce roughly 250ms of latency, you have to tweak TCP Windows so you can saturate the link as much as you can, but besides that Sat links are rather common. On Mar 4, 2016 7:26 AM, "Jan" wrote: > Thanks for the input. > The IoT application could have a http ingestion receiver to funnel