In our earlier stage of Ansible, we just wrote simple playbook and ad-hoc command with very long ansible hosts file. When we plan to use Ansible extensively in our daily production use case, we understand that simple playbooks don't help to scale up to our expectation. Even though we had options for separate variables, handlers and template … Continue reading How To design a better Ansible Role for MySQL Environment ?
Managing Heterogeneous environment without automation can be tricky. We are using Ansible as an automation tool for install, configure and manage DB infra for Mydbops. Using Ansible, we overcome a lot of obstacle's and we would like to share our learning with the community ( Our Presentation on Ansible ) Best Practices to write … Continue reading Ansible Best Practices
This presentation was made at LSPE event in Bangalore (India) held at Walmart labs on 10-03-2018. This presentation focuses how we have harnessed the power of Ansible at Mydbops.
As Mydbops we are implementing Load Balancer using Maxscale or ProxySQL ( Our presentation ) for lot our client, but these load balancers will become a SPOF (Single Point of failure) . We have tried to explore services like HAProxy, Nginx, and Keepalived etc. Except Keepalived, all the services need to run on the standalone instance … Continue reading Making Maxscale/ProxySQL Highly Available ( 2 > 1 )
As a part of the MySQL Support, we had a support request from a client.The issue is DB server runs out of open files limit, though it is configured. It causes the DB hang and crash at times. Sometimes they can't able to fix. So we plan to write our experience with configuring. We believe this … Continue reading Ulimit conflict with PAM and Systemd