nodejs查看内存的使用情况
by 伍雪颖
var showMem = function() {
var mem = process.memoryUsage();
var format = function(bytes) {
return (bytes/1024/1024).toFixed(2)+'MB';
};
console.log('Process: heapTotal '+format(mem.heapTotal) + ' heapUsed ' + format(mem.heapUsed) + ' rss ' + format(mem.rss));
console.log('----------------------------------------');
};
var useMem = function () {
var size = 20*1024*1024;
var arr = new Array(size);
for (var i=0;i<size;i++) {
arr[i] = 0;
}
return arr;
};
var total = [];
for (var j=0;j<15;j++) {
showMem();
total.push(useMem());
}
showMem();