Column Level Masking on MySQL

Data is an invaluable asset to any organisation and every data should not be viable to all DB users. I had a requirement from one of our Support client to hide (mask) a few columns to the end user. Those columns contains sensitive information like payment details and mobile numbers. In this blog post I … Continue reading Column Level Masking on MySQL

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Upcoming Mydbops Database Meetup -4 (03-08-2019)

Mydbops continues with its commitment to the open source community comprising of Database Administrators. After the successful conduct of three meet-ups in the past, we are now stepping ahead on to the 4th edition of Mydbops Database meet-up. First time, we are going to the new venue, thanks to the kind people of Zenefits Technologies … Continue reading Upcoming Mydbops Database Meetup -4 (03-08-2019)

MySQL Functional Index and use cases.

MySQL has introduced the concept of functional index in MySQL 8.0.13. It is one of the much needed feature for query optimisation , we have seen about histogram in my last blog. Let us explore the functional index and its use cases. For the below explanation, I have used a production scenario which has 16 … Continue reading MySQL Functional Index and use cases.

TaskMax limit affects MySQL connections

Recently we had been bitten by a Systemd limitation at the “Tasks” created per-unit ie., process. This includes both the kernel threads and user-space threads, with each thread counting individually. Am writing this blog as a reference for someone who might come across this limitation. We have been actively working on migration DB instances, from … Continue reading TaskMax limit affects MySQL connections

Histogram​ in MySQL 8.0

MySQL 8.0 introduces many new features. We will have a look at the exciting histogram  feature in MySQL 8.0 Histogram: What is Histogram? In General, a histogram is an accurate representation of the distribution of numerical data. In MySQL, It will be useful to collect data distribution for a specific column. What problem it solves? … Continue reading Histogram​ in MySQL 8.0

Flashback Recovery in MariaDB/MySQL Servers

In this blog, we will see how to do a flashback recovery or rolling back the data in MariaDB, MySQL and Percona. As we know the saying  "All humans make mistakes", following that in Database environment the data modified accidentally can bring havoc to any organisations. Recover the lost data The data can be recovered … Continue reading Flashback Recovery in MariaDB/MySQL Servers

Innotop – A Monitoring tool for MySQL

Monitoring MySQL server has never been an easy task. Monitoring also needs to go through many Complex and difficult queries to get the details. All these problems can be overcome by an excellent command line monitoring tool  called “Innotop”. Innotop comes with many features and different types of modes/options, which helps to monitor different aspects … Continue reading Innotop – A Monitoring tool for MySQL

ProxySQL Series : ProxySQL Backup Startegies

Introduction             We are well aware that ProxySQL is one of the leading SQL aware proxy for MySQL. In this blog I am going to explain the backup & restore strategies of the ProxySQL . I think, still there is not well structured blog about this topic . If you … Continue reading ProxySQL Series : ProxySQL Backup Startegies

Hot Backup For MyRocks(Rocksdb) using Percona Xtrabackup

Xtrabackup now supports Hotbackup for Myrocks!! yes you heard me right, this is one of the most awaited features with xtrabackup. With the latest release of percona xtrabackup 8.0.6 this is enabled and is supported only for Percona Server version 8.0.15-6 or higher, you can see detailed released notes here. Myrocks is getting much of … Continue reading Hot Backup For MyRocks(Rocksdb) using Percona Xtrabackup

Summary – Mydbops Database Meetup (Apr-2019)

Conglomeration, Collaboration and Celebration of Database Administrators Founders of Mydbops envisioned contributing knowledge back to the community. This vision is shaping up in its 3rd edition of the Meetup held on Saturday the 27th of April, 2019. This meetup edition had drawn a good amount of members from the Open Source Database Administrative Community, to … Continue reading Summary – Mydbops Database Meetup (Apr-2019)