29 Dec '16, 9am

Improving Raspberry Pi Disk Performance

Usually, you think of solid state storage as faster than a rotating hard drive. However, in the case of the Raspberry Pi, the solid state “disk drive” is a memory card that uses a serial interface. So while a 7200 RPM SATA drive might get speeds in excess of 100MB/s, the Pi’s performance is significantly less. [Rusher] uses the Gluster distributed file system and Docker on his Raspberry Pi. He measured write performance to be a sluggish 1MB/s (and the root file system was clocking in at just over 40MB/s). There are an endless number of settings you could tweak, but [Rusher] heuristically picked a few he thought would have an impact. After some experimentation, he managed 5MB/s on Gluster and increased the normal file system to 46 MB/s . There are several other settings we might have investigated related more to the actual buffering and reading of the memory card and I/O sc...

Full article: http://hackaday.com/2016/12/29/improving-raspberry-pi-dis...

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@terzicigor

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