Architecture

When it comes to MariaDB/MySQL Database consulting engagements we often see, that our customers are very confused by many different technologies advertised to them.

Below you will find some simple concepts and ideas we use during our consulting engagements to solve some issues and answer some questions.

General problem solving approach

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  . Written description of the problem to solve. This helps to learn about your problem and better understand your problem.
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  . Searching for a suitable method, technology or …

We have sometimes discussions with our customers whether to store LOBs (Large Objects) in the database or not. To not rephrase the arguments again and again I have summarized them in the following lines.

The following items are more or less valid for all large data types (BLOB, TEXT and theoretically also for JSON and GIS columns) stored in a MySQL or MariaDB (or any other relational) database.

The idea of a relational table based data-store is to store structured data (numbers, data and short character …

One of our partners recently asked me on what platforms do we usually see MySQL installed out there…

The last 5 years I gave the answer: Typically it is 80% Linux, 10% Windows, 5% Solaris and 5% all others. But this was only the picture of my limited view and I was not sure how objective this was.

This time I really wanted to know it and so I collected the information of about 570 MySQL installations of customers.

The following numbers came out:

Operating System

The following solutions are used with MySQL:

• Redhat Cluster Suite (RHCS)
• SteelEye LiefKeeper
• Heartbeat (from the Linux HA project), Using Linux HA Heartbeat
• Crossroads
• Failover
• DRBD, Using MySQL with DRBD
• MySQL Cluster

Database Architecture & Design

Application logic in the middle tier?

Reduce money spent on software licenses by moving logic to the middle tier. This means moving stored procedures into the application server or web server layer where it is much cheaper to scale out. Reducing or eliminating business logic running in the DB may reduce Database CPU utilisation and hence save support costs for the DB Portability is key! [1]

The complete Open Source MySQL High Availability and Scale-Out Architecture Stack …

One of the big advantages of MySQL is its concept of Pluggable Storage Engines. This means you can choose the most optimal Storage Engine for your needs. This also has a disadvantage: You have to know what you are doing…

If you need some help deciding which is the right Storage Engine or even strategy for you or if you want us to make an independent and vendor neutral comparison of those Storage Engines consider our FromDual Consulting Services!

MySQL provides the following storage engines:

mysql> …

The following presentations are available: