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Not if you are buying SSD disks. SSD disks offer very good random read performance, so it does make sense to use them for non often accessed items.
by anApple 17y ago
Not if you are buying SSD disks. SSD disks offer very good random read performance, so it does make sense to use them for non often accessed items.
- antirez 17y ago"Very good" compared to normal disks. RAM is still much faster. Btw a setup to try is to use Redis with an SSD disk as swap, and load it with more data than RAM can hold and let the OS swap to see how it performs.
- skorgu 17y agoThis is superficially similar to how varnish [1] handles caching: mmap it all and let the OS figure it out. [1] http://varnish.projects.linpro.no/wiki/ArchitectNotes http://varnish.projects.linpro.no/wiki/ArchitectNotes