http-kit / Scale Clojure Web App
Show how many concurrent connections can be handled by http-kit
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scale clojure web application
Test how Clojure web application scales concurrent HTTP connections with http-kit
600K concurrent HTTP connections with 3G heap.
More info: 600k concurrent HTTP connections on PC, with Clojure & http-kit
If a more powerful hardware is at hand and you want to get a larger number:
Tuning TCP/IP buffer sizes
# edit run_server. give it more RAM, http-kit will use ~2k per connection
java -server -Xms3072m -Xmx3072m \
-cp `lein classpath` clojure.main \
-m main [email protected]
// edit ConcurrencyBench.java.
final static int PER_IP = 20000; // 63K is the upper bound
final static InetSocketAddress ADDRS[] = new InetSocketAddress[30];
// 600k concurrent connections
final static int CONCURENCY = PER_IP * ADDRS.length;
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