Status: New
Owner: ----
New issue 3925 by [email protected]: JSON.parse leak
https://code.google.com/p/v8/issues/detail?id=3925
Version: <Not sure, problem came from Node.js 0.12.0 and io.js 1.2.0
versions>
OS: <Linux Arch>
Architecture: <x64>
What steps will reproduce the problem?
1. Take Node.js 0.10.36 version and launch following code
var fs = require('fs');
var obj;
fs.readFile('ru.json', 'utf8', function (err, data) {
if (err) throw err;
obj = JSON.parse(data);
});
where 'ru.json' is 17.7 Mb file you can find here
(https://github.com/Arhangel64/lexic.js/blob/master/dic/ru.json), can't
upload it, form didn't provide uploading of files heavier than 10 MB
2. Do the same with Node.js 0.12.0 versoin
3. Compare the time of JSON.parse() execution
we've got
v0.10.36 - 1.1s
v0.12.0 - 33.7s
on ubuntu 12.04
Also JSON.parse allocating around a 1- 1.5 GB of RAM, so, sometimes node
crashes with OUT OF MEMORY exeption.
What do you see instead?
https://github.com/creationix/jsonparse
Please use labels and text to provide additional information.
We have a disussion of that problem here
(https://github.com/joyent/node/issues/9288#issuecomment-76171417), seems
like with io.js the situation is the same.
Thank you for attantion!
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