socket.io - Do I need caching in my node.js app -


i making simple app in node.js , socket.io. thing aiming response speed. user types , on each keypress gets results fast. number of records in database: 100k start with. records changing.

its setup : receive data browser via socket.io , sphinx search, mysql query. , send data browser via socket.emit. simple!

will setup benefit kind of caching? don't intricacies of caching memcache/redis seem overkill.
hobby learning project btw


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