3 ms·
Yeah it's cache all the way down. CPU has L1, L2, L3 for instructions cache. Server has ramcache, then SSD cache. Then apps with SQL almost always use redis/mem
by anvuong 3y ago
Yeah it's cache all the way down. CPU has L1, L2, L3 for instructions cache. Server has ramcache, then SSD cache. Then apps with SQL almost always use redis/memcache as first level cache. Then for network side we have CDN which is basically a glorified webcache, even at router/switch there is cache for all the stuffs.
- brookst 3y agoIndeed. And ultimately human neurons cache and we only scroll back, reload the page, or go back to the website when our cache ages out or the request isn’t cached yet.
- themoonisachees 3y agoMost serverside processors will only compile pages once they're hit and cache thz results. As the xkcd goes "there's a lot of caching"