Severalnines Blog
The automation and management blog for open source databases

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111 blog posts in 1 category

How to Benchmark PostgreSQL Performance

This blog covers what you need to know to benchmark your PostgreSQL database to achieve peak performance.

PostgreSQL Schema Management Basics

This blog goes over the PostgreSQL Schema Management Basics that you should know when running a PostgreSQL environment.

Several Ways to Intentionally Fail or Crash your MySQL Instances for Testing

This blog post features some ideas (with examples) on how to crash a MySQL server in a Linux environment.

Multiple Data Center Setups Using Galera Cluster for MySQL or MariaDB

Regardless of how redundant your database is, if everything is in a single data center, it might not be good enough. Losing network connectivity to the datacenter means your service will be unavailable. This blog provides insight into setting up Galera Cluster across multiple data centers.

Video: Database Troubleshooting Tips for DevOps

This video describes three database scenarios which a DevOps Team may face and how to resolve them using ClusterControl and ProxySQL.

MySQL Tutorial - Troubleshooting MySQL Replication Part 2

This blog post walks you through some issues you may experience when deploying and managing a MySQL Replication environment and how to resolve those issues.

MySQL Tutorial - Troubleshooting MySQL Replication Part 1

This blog post walks you through some issues you may experience when deploying and managing a MySQL Replication environment and how to resolve those issues.

MySQL Replication: All the Severalnines Resources

This post provides a handy overview of all the Severalnines resources we recently produced on the topic of how to best administer MySQL Replication setups.

Video: The Difference Between MongoDB Sharding and a MongoDB ReplicaSet

This video details the difference between a MongoDB ReplicaSet and a MongoDB Sharded Cluster in ClusterControl.

Online schema change with gh-ost - throttling and changing configuration at runtime

When performing schema changes online, it is important to be able to control the performance impact on our running databases. This blog post discusses gh-ost’s throttling mechanism. We will also cover the runtime configuration changes that gh-ost allows.