Memory debug by Heroku guys on Apache Kafka – nice one

Hi, I know, i should write more about my experience with Apache Kafka, have patience, it’s still building, but until then please check this article: https://blog.heroku.com/fixing-kafka-memory-leak Be aware of the things that you want to include in functionalities and code that is written beside Apache Kafka functionalities, it might get you in to trouble. I …

Kafka limits implementation using puppet

Morning, I keep my promise and provide you with the two simple blocks that are needed to implement limits that we discussed in article http://log-it.ro/2017/10/16/ubuntu-change-ulimit-kafka-not-ignore/ For the limits module you can use: https://forge.puppet.com/puppetlabs/limits As for the actual puppet implementation, I took the decision not to restart the service immediately. This being said, it’s dead simple …

Eyaml hiera configuration for puppet, as promised

Morning, We managed to configure also the hiera backend in order to have eyaml module active. It is related to the following past article http://log-it.ro/2017/05/29/install-eyaml-module-on-puppet-master/. So in the hiera.yaml you bassicaly need to add the following configuration before hierarchy: :backends: – eyaml – yaml – puppetdb and :eyaml: :datadir: /etc/puppetlabs/hieradata :pkcs7_private_key: /etc/puppetlabs/puppet/eyaml/private_key.pkcs7.pem :pkcs7_public_key: /etc/puppetlabs/puppet/eyaml/public_key.pkcs7.pem :extension: …