MariaDB offers built-in multi-host sharding capabilities with the Spider storage engine. Spider supports partitioning and XA transactions and allows remote tables of different MariaDB instances to be handled as if they were on the same...

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 1 10:40 . drwxr-xr-x...

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. Redis is an in-memory...

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 this blog, we will see...

In a previous blog, we already wrote on how to set up Redis Master-Slave replication with manual failover. The disadvantages of Redis Master-Slave architecture, as mentioned in a previous blog, refer to the ability to...

The use of in memory databases as a data structure layer for storing frequently accessed data is on the rise.  Infrastructure built for high concurrent traffic typically use an in memory database layer to implement...

Security is a must for all systems to protect your data as much as possible. Even when there is always a risk to be hacked, by following a security checklist will reduce this risk significantly....

As we discussed in one of our previous blogs, backing up Redis is quite important to do, even if all we use Redis for is a cache for your application or the database. We have...

Sysbench is a great tool to generate test data and perform MySQL OLTP benchmarks. Commonly, one would do a prepare-run-cleanup cycle when performing benchmark using Sysbench. By default, the table generated by Sysbench is a...

In the era that we are living in now, anything with a less secure environment is easily a target for an attack and becomes a bounty for the attackers. Compared to the past 20 years,...

Last week, we discussed how to configure AppArmor for MongoDB Replica Sets which basically has the same concepts applicable when configuring this for your MySQL-based systems. Indeed, security is very important because you have to...

Data is the most important asset in a company, so you should take all the security considerations into account in your database to keep it as safe as possible. One important security feature on RedHat-based...