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Download article as PDF Be sure to read through the previous post for a quick introduction of IOPS. Suppose that you’re copying a 10GB file from one disk to another. Let us assume that the only bottleneck is the disks’ own IOPS, which in case is 120. We are also only focusing on the disk [...]

Download article as PDF Many users tend to worry when the free memory on a Linux system is very low. Especially when the system is barely active. What many don’t know is that this is normal behavior for Linux. It simply takes your free memory and caches it. This caching behavior makes subsequent memory allocations [...]

This is part one of a series of guides on how to perform a proper migration of a Web application. Proper because the goal is to seamlessly and preparedly switch over to a new server or provider. We’ll set the bar high enough to only allow room for a 5-10 minutes of cumulative downtime.

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