I am seeing really poor distribution of connections across a "cluster".
For example (count of connections served on left, PID on right):
$ node test.js | awk '/connection/{print$2}' | sort | uniq -c
438 4687
300 4688
1008 4690
293 4692
671 4693
3939 4697
1026 4698
2325 4699
This is on linux 2.6.32 with node 0.8.4.
Is this expected behavior?
Each connection is outputting a short string.
$ nc localhost 8765
Howdy there!
The distribution above is across 10,000 connections.
$ seq 10000 | xargs -n1 -I@ -P8 nc localhost 8765 > /dev/null
This is the source for "test.js".
'use strict';
var cluster = require('cluster');
var net = require('net');
var workerCount = 8;
if (cluster.isMaster) {
for (var i = 0; i < workerCount; ++i) {
cluster.fork().on('online', function() {
console.log('Worker ' + this.process.pid + ' online.');
}).on('exit', function(code, signal) {
console.log('Worker ' + this.process.pid + ' died (code:' + code +
', signal:' + (signal || 'none') + ').');
});
}
} else {
var server = net.createServer(function(stream) {
console.log('Worker ' + process.pid + ' received connection.');
stream.end('Howdy there!\n', 'ascii');
});
server.listen(8765, function() {
console.log('Worker ' + process.pid + ' listening.');
});
}
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