1. Hardware 1.1 CPU Support for AVX/AVX-512, used for erasure coding computation and SIMD operations Support for AES-NI, used for object encryption Total storage per node Recommended vCPU count Up to 1 TB 8 Up to 10 TB 16 Up to 100 TB 32 Up to 1 PB 64 More

There are many performance tools on the Linux platform, enough to make your head spin, but long-term exploration and experience have shown that the most useful ones are still those time-tested, simple little utilities. Below are the command-line tools collected from system performance expert Brendan D. Gregg’s talk on Linux performance (Linux Performance Tools).