chat-server/qq-imsvr/node_modules/memwatch/examples/do_nothing_server.js

// a trivial process that does nothing except
// trigger GC and output the present base memory
// usage every second.  this example is intended to
// demonstrate that memwatch itself does not leak.

var memwatch = require('../');

memwatch.on('gc', function(d) {
  if (d.compacted) {
    console.log('current base memory usage:', memwatch.stats().current_base);
  }
});

setInterval(function() {
  memwatch.gc();
}, 1000);