MySQL replication has evolved a lot in 5.6 ,5.7 and 8.0. This presentation focus on the changes made in parallel replication. It covers MySQL 8.0. It was presented at Mydbops database meetup on 04-08-2016 in Bangalore.
Introduction - MySQL 8.0.10 GPL came out with more changes and advanced features. We have changes on InnoDB physical file layout ( MySQL data directory ) too. This blog will provide the information about the MySQL 8 InnoDB physical files. MySQL system tables are completely InnoDB now ? Yes, Previously, we don't have too many … Continue reading InnoDB physical files on MySQL 8.0
MySQL 8.0 has come with a list of new features for DBA's ,we will discuss the new feature in MySQL 8.0 which supports Descending index.Prior to MySQL 8.0 (i.e MySQL 5.6 and 5.7) creating desc index syntax was supported but desc keyword was ignored, Now in MySQL 8.0 release descending index is extended are supported. … Continue reading Descending index in MySQL 8.0
We have seen with most of the consulting projects where the customer might be having a dedicated DB (MySQL) server ,but running with a default configuration, without any optimisation for underlying hardware, "An idle hardware is similar to idle money will give you no returns". Well again if you are from a non-DBA background and you … Continue reading Ensure better defaults with InnoDB Dedicated server.
MySQL is the most widely used Relational Database Management System in the open source world. MySQL stepped into the NoSQL world by introducing the JSON Data Type in MySQL 5.7 release. In this blog post I am going to explain one of the major advantage of optimisation made in JSON … Continue reading Partial (Optimised) JSON updates and Replication in MySQL 8.0
MySQL 8.0 has a rich set of features. One of the feature which interests DBA's more is invisible index What is an index in MySQL ? The indexes are used to find rows with specific column values quickly. Without an index, MySQL must begin with the first row and then read through the entire table … Continue reading Invisible Indexes – MySQL 8.0
In this blog we are going to view about a new feature in latest release MySQL 8.0.1 for MySQL Replication . It is binlog_expire_logs_seconds. Previously we can set the expire logs for binlogs in number of days. By using the new feature (binlog_expire_logs_seconds) we can see set the expire time into number of seconds. The … Continue reading Binlog expiry now in seconds (MySQL 8.0)