Introduction : Over the past months, people asked me more and more questions about the DBA role and the underlying question was often: Are we witnessing the end of the DBA role in IT? My first answer, after a big laugh, was that DEVOPS didn’t get rid of sysadmins, it is not going to get rid of DBAs, especially with…
Monitoring is a crucial element of DevOps automation that has to be proactive, meaning it must find ways to improve applications quality before bugs appear. Therefore, we have to quickly and easily understand what is happening in our infrastructure, which is often more and more complex and constantly evolving. In this context, one tool stands out: Prometheus. Prometheus is an…
In this part of the blog posts series, we will show how ansible helps us to configure our cluster and install all pre-requisite needed for Cloudera Manager. Ansible is one of the most important automation tools currently. Ansible will help us to configure all nodes for a manual installation using Cloudera Manager. Our playbook will contain the following roles: cm_repo:…
