Macchiato: ClojureScript on the Server

Re:Macchiato: ClojureScript on the Server by ledgerdev on Saturday December 03, 2016 @11:57PM (#13098846)

Here's a couple significant disadvantages to the jvm.

A simple jvm clojure app running jetting deployed as an uberjar takes about 12 seconds to start on a 1GB digital ocean vm.

Using jvm clojure as with aws lambda, it takes ~20 seconds for a cold start. Normal java is typically a couple of seconds, and it's likely that a cljs/node instance will be sub-second cold start.

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Re:Macchiato: ClojureScript on the Server by dskrvk on Sunday December 04, 2016 @11:12PM (#13103316)

Note that with Lambda a cold start doesn't have to happen every time - if the function is executed frequently enough, the application will be kept around on the executing node.

Also, if your application has fairly stable load, then startup times are irrelevant 99% of the time, since you can just run persistent servers.

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