Category Archives: High Availability

START GROUP_REPLICATION can now take recovery credentials as parameters

From MySQL 8.0.21 onwards, START GROUP_REPLICATION includes new options which allow a user to specify credentials to be used for distributed recovery. You can now pass credentials when invoking START GROUP_REPLICATION instead of setting them when configuring the group_replication_recovery channel.

START GROUP_REPLICATION command now has the options:

  • USER: User name.

Specify Recovery IP Addresses in Group Replication

Group Replication distributed recovery is one of the key features and until now it was restricted to be executed over one mysql connection point automatically defined on mysql system variables port and host.

With group_replication_recovery_endpoints we can specify through which interfaces can group replication recovery take place for a given member so that it controls where recovery traffic flows in the network infrastructure.…

MySQL 8.0.20 Replication Enhancements

We have just released MySQL 8.0.20. And it has some interesting replication enhancements. In particular one big and exciting feature: binary log compression. Here is the list of things in this release:

  • Binary Log Compression (WL#3549). This work done by Luís Soares implements binary log compression, making use of the popular compression algorithm ZSTD.

MySQL User Camp, Bangalore, India – 5th March 2020

A MySQL User Camp was held on 5th March 2020 at Oracle India Pvt Ltd, Kalyani Magnum Infotech Park, Bangalore, India. The attendees included developers, DBAs and trainers from Amex, Robert Bosch, Flipkart and others.

Sanjay Manwani, the Senior Director of MySQL Engineering India, presented an informative session which highlighted MySQL’s recent achievements like the DB of the Year award and the #1 ranking in the Most Popular DB with Developers StackOverflow survey.…