On Wed, Jul 3, 2013 at 4:10 PM, Egor Egorov <[email protected]> wrote:
> Hello.
>
> I've got a server running 8 instances of a simple "port forwarder" written
> in node.js using .pipe(). I'm running 0.10.12 and I have coded the service
> using the 0.10 streams ('readable' event and .data()). The server is running
> latest debian.
>
> When the total network throughput on the server gets over about 60 mbits,
> all instances consume 100% CPU. In total I .pipe() about 3k connections on a
> server.
>
> What are my options to optimize raw network performance?
Profile your application first (--prof --log) and run the v8.log files
through deps/v8/tools/linux-tick-processor.
Make sure that each process writes to its own v8.log or you will get
bogus numbers. The cluster module takes care of that for you. If
you're using the child_process module, spawn each process with {
execArgv: ['--logfile=v8-%p.log'] }.
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