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youtube-dl downloading extremely slow (< 200KiB/s) #15271
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youtube-dl does not impose any implicit speed limitations. Low speed is the result of network issues between you and host you are being served by, shaping or any other network limitations. |
@dsftw Can you please try running the following command:
I've tried running it on 3 different servers with same terrible speed. I cannot accept that this is somehow a host network issue. |
That is definitely slow for YouTube. Strange, not sure what is going on. |
I urge moderators to reconsider placing the Invalid tag for this issue |
I got the same result as @Hrxn (2.42MB in 35 seconds). Most likely it's an YouTube side issue and youtube-dl can do nothing for that. |
Yes, I assume that this is not a persistent problem. Probably just some internal "restructuring" on their own network or something. |
Yes, I am also having the same problem since yesterday morning PST. I wonder if Google is throttling. I notice my downloads start very fast and the slow. For an example with a Verizon FIOS pipe (also seen on Time Warner/Spectrum Cable's pipe): $ youtube-dl https://www.youtube.com/watch?v=sC_qXF5UOtg |
Good lord.. let's hope that not.. |
I am willing to bet that the initial speed is buffered data. |
Hi. I'm experiencing these same issues when using |
I second that. After some testing I've come to conclusion that the speed of download starts off high but significantly drops after a short time. However, if you send consecutive requests, youtube-dl will always download from where it left off (it caches data), using high speed for each consecutive request (provided you keep them short enough). Of course this is terribly dirty but perhaps may give a further insight into the problem. |
FYI. No problems with vimeo.com's videos. Fast on there. |
Also having the same problem. Downloads start off fast and then abruptly slow down to really slow speeds. Only seems to happen on YouTube. From what I've witnessed, webm files seem to have the worst speeds. |
Have you try to remove ffmpeg and run youtubedl again ? My problem is same with you , but it solved after removing ffmpeg , so weird |
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That sounds great! I haven't had time to look into such a big patch, while I guess it's time to unlock this issue for user feedback? |
Seems to work, I'd say.. But I just have to ask: Where is the catch? There should not be one, I'm aware, maybe this is only paranoia.. Did someone compare the checksums of the downloaded data so far? |
Hmm. It is fast again today. Not sure if youtube-dl has a fix (2018.02.04) or something else was fixed? |
I just want to give props to whoever implemented the workaround. Good job and thank you. |
I was only having issues with super slow downloads for the last 2 weeks or so. At the same time we were having some issues just watching youtube normally. My ISP insisted that they were not the cause. Then watching youtube in the browser fixed it self, but youtube-dl would still download at like 50kb/s on a 20Mbps line. So I came here and saw others had a similar issue. Downloaded a new exe and it works. However, it would go at full speed, start to slow down, then jump back up to full speed. I assume this is expected behavior? Seems the youtube throttling is being implemented bit by bit across the globe. From South Africa here. Thanks to the people maintaining this. Being able to queue a bunch of vids for download at night in high quality means I can watch these HQ vids any time of the day, after downloading, without interfering with my brother's online gaming. Before my 20Mbps fiber, we had 4mbps ADSL... third world problems. youtube-dl was essential if we wanted to watch anything at higher than 360p without weird buffering issues. Google don't give a sh!t about us peasants. So the work you guys do does make a difference. Keep it up. |
Please follow the guide below
x
into all the boxes [ ] relevant to your issue (like this:[x]
)Make sure you are using the latest version: run
youtube-dl --version
and ensure your version is 2018.01.14. If it's not, read this FAQ entry and update. Issues with outdated version will be rejected.Before submitting an issue make sure you have:
What is the purpose of your issue?
The following sections concretize particular purposed issues, you can erase any section (the contents between triple ---) not applicable to your issue
If the purpose of this issue is a bug report, site support request or you are not completely sure provide the full verbose output as follows:
Add the
-v
flag to your command line you run youtube-dl with (youtube-dl -v <your command line>
), copy the whole output and insert it here. It should look similar to one below (replace it with your log inserted between triple ```):If the purpose of this issue is a site support request please provide all kinds of example URLs support for which should be included (replace following example URLs by yours):
Note that youtube-dl does not support sites dedicated to copyright infringement. In order for site support request to be accepted all provided example URLs should not violate any copyrights.
Description of your issue, suggested solution and other information
It was working fine until yesterday, but today the speed is ridiculously slow. I tried installing youtube-dl both locally and on my production server, but the speed remains painfully slow, hovering just above 100KiB/s.
I am running the newest version of youtube-dl, and I've pasted the log above. I don't know how to further debug this issue. Please help.
EDIT: running the following command:
curl -s https://raw.githubusercontent.com/sivel/speedtest-cli/master/speedtest.py | python -
gives me results:
Testing download speed................................................................................
Download: 81.56 Mbit/s
and everything besides youtube-dl seems to be working within expected speed parameters.
EDIT2: sometimes running youtube-dl command simply produces output 'Segmentation fault'
EDIT3: adding --force-ipv4 did not change anything
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