"Remux best video with best audio" will cause web server 504(Gateway Time-out) if I try to download another video.

[nxtreaming]

New issue

Your environment

ubuntu 20.04 LTS

Please answer these questions when reporting a new issue:

What is your operating system (Windows, Linux, OSX, etc.)?
Ubuntu 20.04.03 LTS

What is your web server (Apache, IIS, etc.)?
nginx

What version of AllTube are you using?

the master branch

How did you install AllTube (with Git or with a release package)?

git.

What version of PHP are you using?

PHP 7.4.25 (cli) (built: Nov 4 2021 04:41:34) ( ZTS )

What version of Python are you using?

Python 3.8.10

What version of youtube-dl are you using?

I use "yt-dlp-2021.12.01"

Do you get any PHP-related errors in your webserver's logs?

NO

What is the content of your config/config.yml file?

# Path to your youtube-dl binary
#youtubedl: vendor/ytdl-org/youtube-dl/youtube_dl/__main__.py
youtubedl: vendor/yt-dlp/yt-dlp-2021.12.01/yt_dlp/__main__.py

# Path to your python binary
python: /usr/bin/python

# An array of parameters to pass to youtube-dl
params:
    - --no-warnings
    - --ignore-errors
    - --flat-playlist
    - --restrict-filenames
    - --no-playlist

# True to enable audio conversion
convert: false

# True to enable advanced conversion mode
convertAdvanced: false

# List of formats available in advanced conversion mode
convertAdvancedFormats: [mp3, avi, flv, wav]

# Path to your ffmpeg binary
ffmpeg: /usr/local/bin/ffmpeg

# ffmpeg logging level.
ffmpegVerbosity: error

# Path to the directory that contains the phantomjs binary.
phantomjsDir: /usr/bin/

# True to disable URL rewriting
uglyUrls: false

# True to stream videos through server
# Set to "ask" if you want to allow it but not enable by default.
stream: false

# True to enable remux mode (merge best audio and best video)
remux: true

# MP3 bitrate when converting (in kbit/s)
audioBitrate: 128

# App name
appName: AllTube Download

# Generic formats supported by youtube-dl
genericFormats:
    bestvideo+bestaudio: Remux best video with best audio
    best/bestvideo: Best
    #worst/worstvideo: Worst

# Enable debug mode.
debug: false

# True to enable audio conversion mode by default
defaultAudio: false

# False to disable convert seek functionality
convertSeek: true

Please provide the URL of a video that causes the issue.

Describe your issue

I can only download another video after the first video has been finished in "Remux best video with best audio" option

Thanks.

[nxtreaming]

nginx output:
504 Gateway Time-out
nginx/1.21.4

error.log:
2021/12/02 02:21:13 [error] 475948#0: *7701 upstream timed out (110: Connection timed out) while reading response header from upstream, client: x.x.x.x, server: ytb.example..com, request: "GET / HTTP/1.1", upstream: "fastcgi://unix:/var/run/php7-fpm.sock", host: "ytb.example.com:8080", referrer: "http://ytb.example.com:8080/"

[nxtreaming]

the server will recovery from http 504 once the "remux " task has been finished.

[TylerHobanDotCom]

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