Because the V8 only fires up the garbage collector to recover memory when it thinks it needs to.
On Fri, Aug 26, 2016 at 12:36 PM, Liujin Wu <[email protected]> wrote: > > var showMem = function(num) { > 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(num+'----------------------------------------'); > }; > > showMem(1); > (function(){ > var array = []; > for(var i = 0;i<1024*1024*10;i++){ > array.push(i); > } > showMem(2); > array = null; > })() > > > > setInterval(function(){ > showMem(3); > },3000) > > > > <https://lh3.googleusercontent.com/-MNQobHfys9I/V8AbTWuADQI/AAAAAAAAACM/J7pc0F2IGDQGE9uxDDot8MiEVaUlQPkOgCLcB/s1600/1.png> > > -- > Job board: http://jobs.nodejs.org/ > New group rules: https://gist.github.com/othiym23/9886289#file-moderation- > policy-md > Old group rules: https://github.com/joyent/node/wiki/Mailing-List-Posting- > Guidelines > --- > You received this message because you are subscribed to the Google Groups > "nodejs" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > To view this discussion on the web visit https://groups.google.com/d/ms > gid/nodejs/bf40d54a-9d67-4fe6-ba1d-b671d641098f%40googlegroups.com > <https://groups.google.com/d/msgid/nodejs/bf40d54a-9d67-4fe6-ba1d-b671d641098f%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- Job board: http://jobs.nodejs.org/ New group rules: https://gist.github.com/othiym23/9886289#file-moderation-policy-md Old group rules: https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines --- You received this message because you are subscribed to the Google Groups "nodejs" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/nodejs/CABg07fuCny41h0eaD3phjyPvdHtU310MCE%2BnNBtrGzJ-3E79Gw%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
