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Java puzzle (Single threaded client server)

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Java puzzle (Single threaded client server)

· Java Zone
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Learn how to troubleshoot and diagnose some of the most common performance issues in Java today. Brought to you in partnership with AppDynamics.

Without creating additional threads, create a ServerSocket on a random unused port, a client Socket connecting to localhost and a server Socket.

Part 1) Send messages from client to server and back again. (This can be useful in unit tests)

Part 2) Do the same with blocking NIO.

Part 3) Benchmark how many GB/s per second you can transfer this way.

Part 4) Measure the typical and 99.99% round trip latency, and estimate how much garbage is produced.

For bonus points try the same with Async NIO2 in Java 7.

 

From http://vanillajava.blogspot.com/2011/11/java-puzzle-single-threaded-client.html

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