3 ms·
I would have loved to do more in depth measurement, but I couldn't get to any disk stats under /proc. Even iostat was crippled. I'm also not sure the distincti
by swalberg 16y ago
I would have loved to do more in depth measurement, but I couldn't get to any disk stats under /proc. Even iostat was crippled.
I'm also not sure the distinction was that important in that case. With their VPS implementation there were no knobs I could turn. The root cause of the problem had to be on their side of the fence. "Measure with a micrometer. Mark with chalk. Cut with axe"
- cperciva 16y agoWell, one common issue is filesystems slowing down if data structures (e.g. directories) get big. Creating a single file doesn't take a constant number of disk operations.