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Become a MySQL DBA blog series - Using Explain to improve SQL Queries
When it comes to the query tuning, EXPLAIN is one the most important tool in the DBA’s arsenal. Why is a given query slow, what does the execution plan look like, how will JOINs be processed, is the...
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Severalnines’ Vinay Joosery named UK top 50 data leader & influencer
Information Age today unveiled the inaugural list of the UK’s top 50 data leaders and influencers“Very strong on product and technical development of open-source databases, Vinay has helped global and...
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Become a MySQL DBA blog series - Optimizer Hints for faster query execution
MySQL uses a cost-based optimizer to determine the best way to execute a query. It usually does a great job, but not all the time. There are different reasons for that. In some cases, it might not have...
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ClusterControl Tips & Tricks: Updating your MySQL Configuration
Requires ClusterControl 1.2.11 or later. Applies to MySQL based clusters.From time to time it is necessary to tune and update your configuration. Here we will show you how you can change/update...
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ClusterControl Tips & Tricks: Securing your MySQL Installation
Requires ClusterControl 1.2.11 or later. Applies to MySQL based clusters.During the life cycle of Database installation it is common that new user accounts are created. It is a good practice to once in...
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ClusterControl Tips & Tricks: User Management for MySQL
Requires ClusterControl 1.2.11 or later. Applies to MySQL based clusters.In this example we will look at how you can use ClusterControl to create a user and assign privileges to the user. We will...
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Become a ClusterControl DBA - Deploying your Databases and Clusters
Many of our users speak highly of our product ClusterControl, especially how easy it is to install the software package. Installing new software is one thing, but using it properly is another.We all...
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Become a ClusterControl DBA: Adding Existing Databases and clusters
In our previous blog post we covered the deployment of four types of clustering/replication: MySQL Galera, MySQL master-slave replication, PostgreSQL replication set and MongoDB replication set. This...
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Become a MySQL DBA blog series - Understanding the MySQL Error Log
We are yet to see a software that runs perfectly, without any issues. MySQL is no exception there. It’s not the software’s fault - we need to be clear about that. We use MySQL in different places, on...
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s9s Tools and Resources: 'Become a MySQL DBA' series, ClusterControl 1.2.11...
Check Out Our Latest Technical Resources for MySQL, MariaDB, PostgreSQL and MongoDBThis blog is packed with all the latest resources and tools we’ve recently published! Please do check it out and let...
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ClusterControl Tips & Tricks: wtmp Log Rotation Settings for Sudo User
Requires ClusterControl. Applies to all supported database clusters. Applies to all supported operating systems (RHEL/CentOS/Debian/Ubuntu).ClusterControl requires a super-privileged SSH user to...
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Webinar Replay & Slides: Deploying MongoDB, MySQL, PostgreSQL & MariaDB’s...
Live demo recording of ClusterControl 1.2.11 and its new features Thanks to everyone who joined us for our recent live webinar on ‘ClusterControl 1.2.11 - new release’ led by Art van Scheppingen ,...
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Webinar: Become a MySQL DBA - Performing live database upgrades in...
Join us on November 24th for this new webinar on performing live database upgrades for MySQL Replication & Galera led by Krzysztof Książek, Senior Support Engineer at Severalnines. This is part of...
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Become a MySQL DBA blog series - Galera Cluster diagnostic logs
In a previous post, we discussed the error log as a source of diagnostic information for MySQL. We’ve shown examples of problems where the error log can help you diagnose issues with MySQL. This post...
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Become a ClusterControl DBA: performance monitoring and health
The blog series for MySQL, MongoDB & PostgreSQL administratorsIn the previous two blog posts we covered both deploying the four types of clustering/replication (MySQL/Galera, MySQL Replication,...
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nginx as Database Load Balancer for MySQL or MariaDB Galera Cluster
Nginx is well-known for its ability to act as a reverse-proxy with small memory footprint. It usually sits in the front-end web tier to redirect connections to available backend services, provided...
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ClusterControl Tips & Tricks: wtmp Log Rotation Settings for Sudo User
Requires ClusterControl. Applies to all supported database clusters. Applies to all supported operating systems (RHEL/CentOS/Debian/Ubuntu).ClusterControl requires a super-privileged SSH user to...
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Webinar Replay & Slides: Deploying MongoDB, MySQL, PostgreSQL & MariaDB’s...
Live demo recording of ClusterControl 1.2.11 and its new features Thanks to everyone who joined us for our recent live webinar on ‘ClusterControl 1.2.11 - new release’ led by Art van Scheppingen ,...
View ArticleClik here to view.
Webinar: Become a MySQL DBA - Performing live database upgrades in...
Join us on November 24th for this new webinar on performing live database upgrades for MySQL Replication & Galera led by Krzysztof Książek, Senior Support Engineer at Severalnines. This is part of...
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Become a MySQL DBA blog series - Galera Cluster diagnostic logs
In a previous post, we discussed the error log as a source of diagnostic information for MySQL. We’ve shown examples of problems where the error log can help you diagnose issues with MySQL. This post...
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