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The Foundation of Speed
All servers use disk to store files. Operating system libraries, webserver & application code, and most importantly databases all use disk constantly.
So disk speed is crucial to server speed.
Disk speed is crucial for MySQL databases. It has been a real challenge in multi-tenant environments like Amazon’s EBS. The provisioned IOPS feature addresses this head on, allowing customers to lock in great MySQL database performance!
Also check out: Five more things Deadly to Scalability.
Disk Performance on Multi-tenant EBS
Amazon’s EBS or elastic block storage, is a virtualized network storage solution. You can think of it as RAIDed disks but accessed & provisioned over a high speed network.
Since Amazon is a multi-tenant environment, other customers are using that same network, and hitting those same disks. So if your neighbors are seeing a lot of traffic to disk, your web application can slow down. Not good!
What is Provisioned IOPS
We’ll agree that it’s one of the worst branded features ever, but you should know about it and use it, especially for your MySQL databases.
Provisioned means that you’ll lock in performance in advance, and IOPS stands for I/O operations. Think of it as google juice for your cloud database servers!