Securing MongoDB Cluster with TLS/SSL

The world is in a pandemic situation and I believe everyone doing good. Please Stay Home! Stay Safe! In this situation, most of the people are doing WFH, and I believe its the right time to talk about how to enable the Developer, OPS Team, and DBA can initiate secure encrypted TCP connection instead of … Continue reading Securing MongoDB Cluster with TLS/SSL

Closer view of MongoDB Replica sets

Introduction Replication is not just a word, it is a technology ruling the data world. In Database, numerous elements contribute to the overall process of creating and managing database replication. In this blog, I will walk you through the Anatomy of MongoDB replica set. Types of Replication MongoDB Support Basically, MongoDB supports two types of … Continue reading Closer view of MongoDB Replica sets

How To design a better Ansible Role for MySQL Environment ?

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 ?

Ansible Best Practices

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

Presentation: Ansible is our Wishbone

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.    

Making Maxscale/ProxySQL Highly Available ( 2 > 1 )

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 )

Ulimit conflict with PAM and Systemd​​​

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​​​