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

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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)

Jinja2 for better Ansible

Jinja2 is a modern and designer-friendly templating language for Python frameworks. It is fast, reliable and widely used for dynamic file generation based on its parameter. In this blog, I like to share how and where jinja2 template language used in Ansible and how we can create better Ansible playbook. How it works The Jinja … Continue reading Jinja2 for better Ansible

MongoDB Aggregation Framework an Overview

          The MongoDB Aggregation Framework is a way to query the data from MongoDB. It helps us to break the complex logics into a simple set of sequential operations. Just like a waterfall model, Output from one stage is fed as an input for the next stage until the desired result … Continue reading MongoDB Aggregation Framework an Overview

Chose right SST method MariaDB Cluster 10.2

                In this blog post, I am going to explain an interesting issue which I faced in one of our client project . Few weeks back , I got an requirement from our support client to construct a new MariaDB Galera Cluster ( 10.2.21 ) and an async … Continue reading Chose right SST method MariaDB Cluster 10.2

Mysqldump​ vs Mysqlpump vs Mydumper

It is very important for every DBA’s to backup their data frequently so that they can recover data if any problems occur such as Hardware failure, System crashes, Human mistakes. There are several ways to backup MySQL data. They are 1) Physical Backup 2) Logical Backup Physical Backup:               It is also called Raw Backup. It … Continue reading Mysqldump​ vs Mysqlpump vs Mydumper

Presentation : JSON improvements in MySQL 8.0

MySQL User camp is one of the prestigious MySQL meetup happening in India for the past 6 years. Mydbops DBA's PonSuresh and Vignesh has presented about the "JSON functions and their improvements in MySQL 8.0" at MySQL User Camp Bangalore on 13-02-2019. JSON has been more improved a lot in MySQL 8.0 and improvements in … Continue reading Presentation : JSON improvements in MySQL 8.0

Impact of “tmpdir” change in MySQL replication

Recently we had encountered a strange issue with replication and temp directory(tmpdir) change while working for one major client. All the servers under this were running with Percona flavor of MySQL versioned 5.6.38 hosted on a Debian 8(Jessie) The MySQL architecture setup  is as follows one master with 5 direct slaves under it Through this … Continue reading Impact of “tmpdir” change in MySQL replication

Summary – Mydbops Database meetup 2

Mydbops database meetup was held on 26-01-2019 and 48 members from open source database community has attended this event. We had talks on MySQL and MongoDB databases. Open source database enthusiastic from companies like OLA Cabs, Searce Inc, PayTm, Quikr, Zensar, Grab, SAP labs, Travel Yarri, Meddiff and a few has travelled from other cities … Continue reading Summary – Mydbops Database meetup 2

How to Switch Replica Master of a non-GTID Slave in Percona Cluster ?

Introduction - Recently i worked on a production issue for one of our client under support .They have a architecture of a three node Galera cluster with one asynchronous slave . Node1 - 172.10.2.11Node2 - 172.10.2.12Node3 - 172.10.2.13Replica - 172.10.2.14 Architecture - The slave(replica) was configured with node3 as replica master. Unfortunately the node 3 was … Continue reading How to Switch Replica Master of a non-GTID Slave in Percona Cluster ?