Installing Redis Cluster (cluster mode enabled) with auto failover
Redis is an open-source in-memory datastore used as a database or cache. It has built-in replication and provides high availability via Redis Sentinel and automatic partitioning with Redis Cluster. In...
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Redis How To: Installation, setup and configuration
Twitter, GitHub, Pinterest, Snapchat, Craigslist, StackOverflow and Flickr just to name a few are the companies that are adopting Redis either for their storage or as a cache to boost performance....
View ArticleImportance of Append-only File in Redis
While looking around Redis data directory you may have noticed several files, among them a file with .aof extension. root@vagrant:~# ls -alh /var/lib/redis/ total 54M drwxr-x--- 2 redis redis 4.0K Jul...
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Running Vitess and MySQL with ClusterControl
For all who are not familiar with Vitess, it is a MySQL-based database system that is intended to deliver an easy-to-scale, sharded, relational database management system. We will not get into details...
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How to Configure PostgreSQL Sharding with ClusterControl
Sometimes it is hard to manage a large amount of data in a company, especially with the exponential increment of Data Analytics and IoT usage. Depending on the size, this amount of data could affect...
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ClusterControl - Advanced Backup Management - mariabackup Part I
ClusterControl can, among others, act as a great tool to help you design and execute the backup schedule. Numerous features are available including backup verification, transparent backup encryption...
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ClusterControl runtime configuration options
When you install ClusterControl, it has a default configuration that maybe doesn’t fit your requirements so probably you will need to customize this installation. For this, you can modify the...
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ClusterControl - Advanced Backup Management - mariabackup Part II
In the previous part we have tested backup time and effectiveness of the compression for different backup compression levels and methods. In this blog we will continue our efforts and we will talk...
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ACL using s9s CLI
Starting with ClusterControl 1.8.2, we have introduced new user management, permissions as well as access controls. From this version onwards, all of the features we mentioned earlier will be...
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Digging Deeper into ClusterControl’s Performance Advisors
If you are a frequent reader of the Severalnines’ database blog, you have probably noticed that Severalnines’ crew talks about performance of databases pretty frequently. Part of that is because of...
View ArticleUpgrading to PostgreSQL13
In a recent blog about what is new in PostgreSQL 13, we reviewed some of the new features of this version, but now, let’s see how to upgrade to be able to take advantage of all these mentioned...
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Intro To Key-value Stores
When the internet gained popularity and relational databases could not cope with the tremendous variety of data types in the mid-1990s, non-relational databases or commonly referred to as NoSQL was...
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ClusterControl - Advanced Backup Management - PostgreSQL
Information is one of the most valuable assets in a company, so you will need a good Disaster Recovery Plan (DRP) to prevent data loss in the event of an accident or hardware failure. Backups are a...
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A Comparison Between ClusterControl and MongoDB OPS Manager
There are various ways to provision MongoDB servers, e.g., manual installation by command line, configuration management tools (eg. ansible, saltstack), or specialized MongoDB deployment tools such as...
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ClusterControl - Advanced Backup Management - MongoDB
Disaster recovery does not complete without a proper backup system. When something bad happens, the data could be restored by using the backup preferably with the latest one. We might want to avoid...
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Proactive MongoDB Monitoring (Developer Studio/Advisors angle)
ClusterControl has many metrics related to the database, replication, and also operating system. You can also monitor the process that runs inside the database through the opscounter in the Overview.If...
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ClusterControl - Advanced Backup Management - mariabackup Part III
So far in the previous two parts of this short blog series we have discussed several options that may impact the time and size of the backup. We have discussed different compression options and a...
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Proactive MySQL Monitoring (Developer Studio/Advisors Angle)
Monitoring your MySQL database proactively is imperative nowadays. It plays a crucial and significant part for managing and controlling your database especially for your production-grade clusters....
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ClusterControl: Intro to the New Query Monitor
ClusterControl 1.9.0 was released on July 16th 2021 with a lot of new features introduced to the system. Those features include Redis Management and Monitoring, a new agent-based Query Monitoring...
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ClusterControl Schema Advisors: Why, When, How?
If you’re a database administrator, your database schema is probably one of the primary things you keep a watchful eye on. However, database schema design consists of many different things, and as a...
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