Improved Cloud (WAN) performance with Galera Cluster MySQL 5.6.57 and 5.7.29
Codership is pleased to announce a new Generally Available (GA) release of Galera Cluster for MySQL 5.6 and 5.7, consisting of MySQL-wsrep 5.6.47 (release notes, download) and MySQL-wsrep 5.7.29...
View ArticleCheck Constraints and Duplicate Names
i was working on some example code for using check constraints and was fairly happy with my first bit of of code.CREATE TABLE c1 (x INT CONSTRAINT x_gt_0 CHECK (x > 0));it worked...
View ArticleClik here to view.
MySQL Pre-FOSDEM Days - A Quick Review
A sold out, two-day event with over 30 sessions on various aspects of MySQL is a tough thing to organize and accomplish. But the MySQL pre-FOSDEM Days was an amazing success. If you missed this event...
View ArticleMySQL Community Awards are coming to an end
I have been considering this for a while, but the 2019 edition of the MySQL Community Awards will be the final year. Over the past couple of years, the Percona Live conference has been expanding well...
View ArticleGame changer for MySQL NDB Cluster
INTERVIEW: Bernd Ocklin at Pre FOSDEM MySQL Day 2020 in BrusselsInterview
View ArticleHow to Make MySQL Cool Again v3.0
In-built columnar storage engine that works next to Innodb on the same DB server. Materialized views - async and semi-immediate Recommended indexes based on query usage Rename CREATE PROCEDURE to...
View ArticleClik here to view.
MySQL performance benchmark ( with/without binary log )
Recently I had the discussion with one of my colleague about the impact of MySQL binary logs . It was a nice discussion and triggered me further to benchmark the MySQL with/without binary logs . The...
View ArticleClik here to view.
London Trip! Continuent Tungsten Solutions Training
Last week I completed the Continuent Tungsten Solutions Training in London! I spent two full days with eight of our customers and our host Chris Parker, one of Continuent’s Customer Success Directors,...
View ArticleHow MySQL handles connection ? Troubleshooting MySQL ERROR 1040, Too many...
Understanding how MySQL handles connections and Troubleshooting MySQL error 1040 – Too many connections! How to interpret “MySQL error 1040 – Too many connections ! ” ? When a client tries to log into...
View ArticleClik here to view.
ClickHouse and MySQL – Better Together
It’s been a while since I wrote about ClickHouse, there are a lot of new features that are worth mentioning, and for this, I recommend to follow the Altinity Blog but today I want to look at the...
View ArticleClik here to view.
What to Check if the MySQL I/O Utilisation is High
The I/O performance is vital for MySQL databases. Data is read and written to the disk in numerous places. Redo logs, tablespaces, binary and relay logs. With an increase of the usage of solid state...
View ArticleClik here to view.
FOSDEM 2020
My post-FOSDEM detox has started - despite preparing by reading some survival guides, I hadn't really fathomed the variety and quantity (and quality) of beer that would flow over four days. On...
View ArticleClik here to view.
MySQL at Oracle Open World London FEB 12-13
Planning to attend Oracle Open World 2020 in London? Make sure to: Visit our booth Join us at our evening reception Check out our MySQL sessions MySQL Booth: Located in Zone 4 , stop by to meet...
View ArticleMySQL 8.0 DBA Certification Exam Now Available
You can now earn your MySQL 8.0 DBA Certification Exam is now available. It is Oracle Exam 1Z0-908 and I was one of the many question writers. Some of you may remember when I was the head of MySQL...
View ArticleMySQL 8.0 Certification is available !
The MySQL 8.0 DBA Certification is now available. 85 questions to get the first MySQL 8.0 certification ! You can find details on the Oracle Exam 1Z0-908 page. This exams covers mostly all relevant...
View ArticleClik here to view.
Use Case: Composite Hybrid-Cloud MySQL Cluster Topologies
Just when we thought that IT and cloud terminology couldn’t get any more confusing, a new term was coined to seemingly simplify it all: hybrid cloud. As is often the case, one cloud doesn’t fit all,...
View ArticleClik here to view.
How to Measure MySQL Performance in Kubernetes with Sysbench
As our Percona Kubernetes Operator for Percona XtraDB Cluster gains in popularity, I am getting questions about its performance and how to measure it properly. Sysbench is the most popular tool for...
View ArticleAngular 9 Tutorial and Example: Build your First Angular App
In this tutorial, we will learn by example to create a first application with Angular 9 from scratch. This is an updated version of this Angular 8 tutorial and this second part. Angular 9 Tutorial...
View ArticleClik here to view.
MySQL Table can have the WASTED/FRAGMENTED space without data deletion (...
Are thinking the table fragmentation will be happened with only DELETE’s ? Do you believe the INSERT’s will also cause the table fragmentation ? Yes, INSERT’s with the ROLLBACK can also create the...
View ArticleAngular 9 Tutorial and Example: Build your First Angular App
In this tutorial, we will learn by example to create a first application with Angular 9 from scratch. This is an updated version of this Angular 8 tutorial and this second part. Angular 9 Tutorial...
View Article