3 ms·
The case of the disks not honoring fsync is famous. I learned about it from Brad Fitzpatrick, author of LiveJournal (later on the Go team at Google) writing abo
by wolf550e 7y ago
The case of the disks not honoring fsync is famous. I learned about it from Brad Fitzpatrick, author of LiveJournal (later on the Go team at Google) writing about it in 2005: https://brad.livejournal.com/2116715.html https://brad.livejournal.com/2116715.html
- da_chicken 7y agoOne of the first optimizations at basically every level is to not honor fsync requests. Network file systems lie. Operating systems lie about local volumes. RAID controllers lie. On-disk controllers lie. That's because these lies are caches, and cache buffers are one of the easiest ways to boost performance.