A Small Video Seek Can Be A Big Cache Job
Cloudflare's range-cache redesign cuts the work behind partial downloads. The useful measure is how many origin bytes a small seek makes the system fetch.
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Storage
Linux Quirks A Few Bad SATA Links
Linux 7.2-rc6 is set to disable SATA link power management for several Western Digital drives that can disappear after boot.
RAID5 Still Has a Contention Budget
A new Linux MD RAID5 patch series is a useful reminder that storage performance is not only about disks. Once an array has enough drives and enough cores, the shared bookkeeping around stripes can become the workload.
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