How to release the memory occupied by mopidy?

After mopidy adds and plays mp3, deletes the corresponding playlist and calls the clear instruction through the client, and the memory occupied by mopidy will not be released。

How to release the memory occupied by mopidy?

root@uranus:/home/ubuntu# mopidy deps
Executable: /usr/bin/mopidy
Platform: Linux-4.14.98-aarch64-with-glibc2.29
Python: CPython 3.8.10 from /usr/lib/python3.8
Mopidy: 3.0.1 from /usr/lib/python3/dist-packages
Mopidy-MPD: 3.2.0 from /usr/local/lib/python3.8/dist-packages
Mopidy: 3.0.1 from /usr/lib/python3/dist-packages
Pykka: 2.0.2 from /usr/lib/python3/dist-packages
setuptools: 45.2.0 from /usr/lib/python3/dist-packages
Mopidy-Iris: 3.62.0 from /usr/local/lib/python3.8/dist-packages
Mopidy: 3.0.1 from /usr/lib/python3/dist-packages
Pykka: 2.0.2 from /usr/lib/python3/dist-packages
setuptools: 45.2.0 from /usr/lib/python3/dist-packages
Mopidy-Local: 3.2.1 from /usr/local/lib/python3.8/dist-packages
Mopidy: 3.0.1 from /usr/lib/python3/dist-packages
Pykka: 2.0.2 from /usr/lib/python3/dist-packages
setuptools: 45.2.0 from /usr/lib/python3/dist-packages
uritools: 4.0.0 from /usr/local/lib/python3.8/dist-packages
GStreamer: 1.16.2.0 from /usr/lib/python3/dist-packages/gi
Detailed information:
Python wrapper: python-gi 3.36.0
Relevant elements:
Found:
uridecodebin
souphttpsrc
appsrc
alsasink
osssink
oss4sink
pulsesink
id3demux
id3v2mux
lamemp3enc
mpegaudioparse
mpg123audiodec
vorbisdec
vorbisenc
vorbisparse
oggdemux
oggmux
oggparse
flacdec
flacparse
shout2send
Not found:
flump3dec
mad

root@uranus:/home/ubuntu# mopidy config
[core]
cache_dir = $XDG_CACHE_DIR/mopidy
config_dir = $XDG_CONFIG_DIR/mopidy
data_dir = $XDG_DATA_DIR/mopidy
max_tracklist_length = 10000
restore_state = false

[logging]
verbosity = 0
format = %(levelname)-8s %(asctime)s [%(process)d:%(threadName)s] %(name)s\n %(message)s
color = true
config_file =

[audio]
mixer = software
mixer_volume =
output = autoaudiosink
buffer_time =

[proxy]
scheme =
hostname =
port =
username =
password =

[mpd]
enabled = true
hostname = 127.0.0.1
port = 6600
password =
max_connections = 20
connection_timeout = 60
zeroconf = Mopidy MPD server on $hostname
command_blacklist =
listall
listallinfo
default_playlist_scheme = m3u

[local]
enabled = false ; Extension disabled due to config errors.
max_search_results = 100
media_dir = ; Must be set.
scan_timeout = 1000
scan_flush_threshold = 100
scan_follow_symlinks = false
included_file_extensions =
excluded_file_extensions =
.cue
.directory
.html
.jpeg
.jpg
.log
.nfo
.pdf
.png
.txt
.zip
directories =
Albums local:directory?type=album
Artists local:directory?type=artist
Composers local:directory?type=artist&role=composer
Genres local:directory?type=genre
Performers local:directory?type=artist&role=performer
Release Years local:directory?type=date&format=%25Y
Tracks local:directory?type=track
Last Week’s Updates local:directory?max-age=604800
Last Month’s Updates local:directory?max-age=2592000
timeout = 10
use_artist_sortname = false
album_art_files =
*.jpg
*.jpeg
*.png

[iris]
enabled = true
country = NZ
locale = en_NZ
verify_certificates = true
snapcast_enabled = true
snapcast_host = localhost
snapcast_port = 1780
snapcast_ssl = false
snapcast_stream = Default
data_dir = $XDG_DATA_DIR/iris

[file]
enabled = true
media_dirs =
$XDG_MUSIC_DIR|Music
~/|Home
excluded_file_extensions =
.directory
.html
.jpeg
.jpg
.log
.nfo
.pdf
.png
.txt
.zip
show_dotfiles = false
follow_symlinks = false
metadata_timeout = 1000

[http]
enabled = true
hostname = 127.0.0.1
port = 6680
zeroconf = Mopidy HTTP server on $hostname
allowed_origins =
csrf_protection = true
default_app = mopidy

[m3u]
enabled = true
base_dir =
default_encoding = latin-1
default_extension = .m3u8
playlists_dir =

[softwaremixer]
enabled = true

[stream]
enabled = true
protocols =
http
https
mms
rtmp
rtmps
rtsp
metadata_blacklist =
timeout = 5000

Python periodically releases memory automatically. This is not something we control. If you monitor memory usage over a long period of time you should see the memory being released.