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How to Deploy Percona XtraDB Cluster 8 for High Availability
Percona XtraDB Cluster 8.0 is based on Percona Server for MySQL 8.0 embedded with Galera writeset replication API and Galera replication library, to form a highly available multi-master replication for...
View ArticleALTER TABLE in MySQL: Friend or Foe?
The ALTER TABLE statement is one of the most frequently used statements in the MySQL world - the statement allows you to add, delete or modify columns in a table. In this blog post we will try to look...
View ArticleLogical Database Backups Using MySQL Shell
Mysqldump is a popular logical backup tool for MySQL which was originally written by Igor Romanenko.Mysqldump performs logical backups (set of SQL statements). By default, mysqldump does not dump...
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Performance Testing Using MySQLdump and the MySQL Shell Utility
In my previous post I explained how to take a logical backup using the mysql shell utilities. In this post, we shall compare the speed of the backup and restoration process.MySQL Shell Speed Test We...
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What is a Query Outlier and How to Fix It
The MySQL database workload is determined by the number of queries that it processes. There are several situations in which MySQL slowness can originate. The first possibility is if there are any...
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How to Verify Your MySQL Backups with ClusterControl
Backups are a basic point in all Disaster Recovery Plans, but only having a backup is not enough to guarantee correct data recovery. You must need to make sure that the backup is usable, and...
View ArticleDatabase Design 101: Partitions in MySQL
In this blog post we are going to be discussing one of the most widely used features of MySQL - partitions.What is Partitioning?In MySQL, partitioning is a database design technique in which a database...
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Monitoring MySQL Performance with ClusterControl
Monitoring the performance of MySQL databases is a daily task of almost every MySQL DBA. In this blog post we will try to demonstrate how to monitor the performance of your MySQL databases - with...
View ArticleImproving MySQL Performance with Advanced InnoDB Settings
We have discussed how to configure InnoDB for high performance a while ago, however, we have not yet discussed how we can improve MySQL performance while making use of advanced InnoDB settings. This...
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Boosting Performance by Using Read Write Splitting of Database Traffic with...
Moodle is a very well known Learning Management System which is intended to help educational organizations organize their online learning activities. As you can imagine, given the online shift in 2020...
View ArticleUnderstanding Character Sets and Collations in MySQL
If you have ever worked with MySQL, you inevitably came across character sets and collations. In this blog post, we will try to give you a more in-depth look at what those two are and how you should...
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Which Moodle Database Should You Use?
The open source, eLearning LMS Moodle has recently been getting a lot of attention due to the COVID-19 Pandemic. The strain on the resources as educators move their students to eLearning platforms has...
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How to Migrate Standalone Moodle to a Clustered Database Scalable Setup
Online Learning nowadays is quickly gaining traction since the COVID-19 pandemic happened. Most of the educational institutions are having to set up platforms for online learning, and pretty much all...
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How to Deploy the Open edX MySQL Database for High Availability
Open edX is a platform for online educational activities. Given the situation the world is in, all such platforms are encountering higher loads and their importance has significantly increased. Those...
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Tips for Monitoring MySQL for Moodle
Database monitoring is a critical part of any application’s maintenance. Finding database issues on time can help the application remain healthy and accessible. Without monitoring in place, database...
View ArticleWorking With MyISAM in MySQL
MyISAM is one of the most popular storage engines in MySQL. MyISAM frequently is the second choice after InnoDB - in this blog post we will try to find out how best to work with this engine.What is...
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How to Backup Your Moodle MySQL Database
Data is an essential part of running a Moodle environment. Should the IT operations team lose data accidentally, then it could lead to a huge loss. So, to protect valuable information, sysadmins need...
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How to Setup Automatic Failover for the Moodle MySQL Database
In a previous blog, we had discussed how to migrate a standalone Moodle setup to scalable setup based on a clustered database. The next step you will need to think about is the failover mechanism -...
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How to Benchmark Performance of Moodle
Moodle, the world's most popular learning management system (LMS), is commonly being deployed in a rapidly growing and large scale environment. Fortunately, Moodle is built with availability and...
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How to Automatically Manage Failover of the MySQL Database for Moodle
In our previous blogs, we made justification for why you need a database failover and have explained how a failover mechanism works. I’m sharing this in case you have questions on why you should set up...
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