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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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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...
View ArticleClik here to view.
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,...
View ArticleClik here to view.
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...
View ArticleClik here to view.
ClusterControl Tips & Tricks for MySQL: Max Open Files
Requires ClusterControl 1.2.11 or later. Applies to MySQL single instances, replications and Galera clusters.You have created a large database with thousands of tables (> 5000 in MySQL 5.6). Then...
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Become a MySQL DBA blog series - Troubleshooting Galera cluster issues - part 1
In this blog post, we are going to show you some examples of things that can go wrong in Galera - inexplicable node crashes, network splits, clusters that won’t restart and inconsistent data. We’ll...
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Become a ClusterControl DBA: Making your DB components HA via Load Balancers
Choosing your HA topologyThere are various ways to retain high availability with databases. You can use Virtual IPs (VRRP) to manage host availability, you can use resource managers like Zookeeper and...
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Become a MySQL DBA blog series - Troubleshooting Galera cluster issues - part 2
This is part 2 of our blog on how to troubleshoot Galera cluster - SST errors, and problems with network streaming. In part 1 of the blog, we covered issues ranging from node crashes to clusters that...
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ClusterControl Tips & Tricks: Manage and Monitor your Existing MySQL NDB...
Of the different types of clustered MySQL environments, NDB Cluster is among the ones that involves more effort and resource to administer. And unless you are a command line freak, you would want to...
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Become a ClusterControl DBA: Safeguarding your Data
In the past four posts of the blog series, we covered deployment of clustering/replication (MySQL/Galera, MySQL Replication, MongoDB & PostgreSQL), management & monitoring of your existing...
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Press Release: Severalnines aims for the stars with EGO boost
Swedish database technology ensures intergalactic research data protected “to infinity and beyond” for scientistsStockholm, Sweden and anywhere else in the world -Severalnines, the provider of database...
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Webinar replay & slides for MySQL DBAs: performing live database upgrades in...
Thanks to everyone who joined us for our recent live webinar on performing live database upgrades for MySQL Replication & Galera, led by Krzysztof Książek. The replay and slides to the webinar are...
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Severalnines breaks records on MySQL, PostgreSQL and MongoDB
Sweden’s self-funded database provider powers past 2014 revenues and grows teamStockholm, Sweden and anywhere else in the world - 01 DECEMBER 2015 - Severalnines, a database automation pioneer which...
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