Re: OutOfMemoryError in mirror maker

2015-06-14 Thread Jiangjie Qin
Hi Tao, Yes, the issue that ErrorLoggingCallback keeps value as local variable is known for a while and we probably should fix it as the value is not used except logging the its size. Can you open a ticket and maybe also submit a patch? For unreachable objects I don¹t think it is memory leak. As

Re: [ANNOUNCE] Burrow - Consumer Lag Monitoring as a Service

2015-06-14 Thread Todd Palino
It took a little while for this to post (aligning with company PR and all), but there's a detailed description of what Burrow is on the LinkedIn Engineering Blog now: http://engineering.linkedin.com/apache-kafka/burrow-kafka-consumer-monitoring-reinvented -Todd On Thu, Jun 4, 2015 at 6:43 PM, T

Re: Kafka as an event store for Event Sourcing

2015-06-14 Thread Ben Kirwin
Yeah, it's definitely not a standard CAS, but it feels like the right fit for the commit log abstraction -- CAS on a 'current value' does seem a bit too key-value-store-ish for Kafka to support natively. I tried to avoid referring to the check-offset-before-publish functionality as a CAS in the ti