Nodejs is hanging after 6 concurrenty requests

[Rodrigo Nascimento]

I am writing a code that is downloading one file from server "A" to my server and I am streaming to the client at the same time, real time. The file is never full in my sever. Only chunks. Here is the code:

downloader.getLink(link, cookies[acc], function(err, location) {
    if (!err) {
        downloader.downloadLink(location, cookies[acc], function(err, response) {
            if (!err) {
                res.writeHead(200, response.headers);
                response.pipe(res);
            } else
                res.end(JSON.stringfy(err));
        });
    } else {
        res.end(JSON.stringfy(err));
    }
});

As I can see there is nothing blocking this code since response is comming from a simple http.response... The problem is, this way I can only stream 6 files at the same time. But the server is not using all the resources(cpu 10%, memory 10%) and it is a single core. After 6 files I only get the loading page and the stream doesn't starts, only after one of the others has completed.

This is not a limitation on the 1st server where I am downloading the files because using my browser for example I can download as many as I want. Am I doing something wrong or this is some limitation in node/ubuntu14.04 that I can change? 

I already changed: agent.maxSockets..

I already sent agent: false

I already tried to use hyperequest

I doubled the ulimit and still the same..

I don't know where to go from here hoping that somebody can help me.

Thanks

[Ryan Schmidt]

On Jul 25, 2014, at 11:27 PM, Rodrigo Nascimento wrote:

> I am writing a code that is downloading one file from server "A" to my server and I am streaming to the client at the same time, real time. The file is never full in my sever. Only chunks. Here is the code:
>
> downloader.getLink(link, cookies[acc], function(err, location) {

What's "downloader"?

[henrique matias]

might be your browser limitation, try different browsers / machines at the same time.

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