Tag
queue-depth
- Jun 11, 2026 Choosing an I/O Scheduler and Setting Queue Depth What an elevator can still do on a device with no seek cost, the difference between the none, mq-deadline, and Kyber schedulers, and how queue depth controls latency. filesystems
- Dec 8, 2025 Power of Two Choices and the Cost of a Random Probe Why sampling two backends and picking the less loaded one beats both random assignment and global state, and how stale or misleading load signals degrade the guarantee. backend systems
- Mar 24, 2024 Writeback Scheduling and Merging at the Block Layer How adjacent and overlapping requests become larger ones, what an elevator does with a mixed read and write stream, and why device queue depth changes the picture more than the scheduler name. performance engineering