Yeah, something still seems very strange as here is an example of 50Gb file:
felix@gemini:/gmedia/Radarr_Movies/Tomb Raider (2018)$ ls -al
total 56455883
drwxrwxr-x 1 felix felix 0 Aug 27 14:13 Plex Versions
-rw-rw-r-- 1 felix felix 57810823461 Jul 1 23:27 Tomb Raider (2018).mkv
felix@gemini:/gmedia/Radarr_Movies/Tomb Raider (2018)$ time mediainfo Tomb\ Raider\ \(2018\).mkv
General
Unique ID : 248549693991481587955502839299685084104 (0xBAFCEE09832D52732BD74BE790C1EBC8)
Complete name : Tomb Raider (2018).mkv
Format : Matroska
Format version : Version 4 / Version 2
File size : 53.8 GiB
Duration : 1 h 57 min
Overall bit rate mode : Variable
Overall bit rate : 65.4 Mb/s
Movie name : Tomb.Raider.2018.2160p.BluRay.REMUX.HEVC.DTS-HD.MA.TrueHD.7.1.Atmos-FGT
Encoded date : UTC 2018-06-13 12:15:53
Writing application : mkvmerge v24.0.0 ('Beyond The Pale') 64-bit
Writing library : libebml v1.3.6 + libmatroska v1.4.9
Cover : Yes
Attachments : small_cover.jpg / small_cover_land.jpg / cover.jpg / cover_land.jpg / small_cover.jpg / small_cover_land.jpg / cover.jpg / cover_land.jpg
Video #1
ID : 1
Format : HEVC
Format/Info : High Efficiency Video Coding
Format profile : Main 10@L5.1@High
Codec ID : V_MPEGH/ISO/HEVC
Duration : 1 h 57 min
Bit rate : 52.4 Mb/s
Width : 3 840 pixels
Height : 2 160 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 23.976 (24000/1001) FPS
Color space : YUV
Chroma subsampling : 4:2:0 (Type 2)
Bit depth : 10 bits
Bits/(Pixel*Frame) : 0.264
Stream size : 43.1 GiB (80%)
Title : Tomb.Raider.2018.2160p.BluRay.REMUX.HEVC.DTS-HD.MA.TrueHD.7.1.Atmos-FGT
Default : Yes
Forced : No
Color range : Limited
Color primaries : BT.2020
Transfer characteristics : SMPTE ST 2084
Matrix coefficients : BT.2020 non-constant
Mastering display color primaries : R: x=0.708000 y=0.292000, G: x=0.170000 y=0.797000, B: x=0.131000 y=0.046000, White point: x=0.312700 y=0.329000
Mastering display luminance : min: 0.0050 cd/m2, max: 4000.0000 cd/m2
Maximum Content Light Level : 2971 cd/m2
Maximum Frame-Average Light Level : 112 cd/m2
Video #2
ID : 2
Format : HEVC
Format/Info : High Efficiency Video Coding
Format profile : Main 10@L5.1@High
Codec ID : V_MPEGH/ISO/HEVC
Duration : 1 h 57 min
Bit rate : 64.6 kb/s
Width : 1 920 pixels
Height : 1 080 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 23.976 (24000/1001) FPS
Color space : YUV
Chroma subsampling : 4:2:0 (Type 2)
Bit depth : 10 bits
Bits/(Pixel*Frame) : 0.001
Stream size : 54.5 MiB (0%)
Title : Tomb.Raider.2018.2160p.BluRay.REMUX.HEVC.DTS-HD.MA.TrueHD.7.1.Atmos-FGT
Default : No
Forced : No
Color range : Limited
Color primaries : BT.2020
Transfer characteristics : SMPTE ST 2084
Matrix coefficients : BT.2020 non-constant
Mastering display color primaries : R: x=0.708000 y=0.292000, G: x=0.170000 y=0.797000, B: x=0.131000 y=0.046000, White point: x=0.312700 y=0.329000
Mastering display luminance : min: 0.0050 cd/m2, max: 4000.0000 cd/m2
Audio #1
ID : 3
Format : Atmos / TrueHD
Codec ID : A_TRUEHD
Duration : 1 h 57 min
Bit rate mode : Variable
Bit rate : 3 214 kb/s
Maximum bit rate : 5 520 kb/s
Channel(s) : Object Based / 8 channels
Channel positions : Object Based / Front: L C R, Side: L R, Back: L R, LFE
Sampling rate : / 48.0 kHz
Frame rate : 1 200.000 FPS (40 spf)
Compression mode : Lossless
Stream size : 2.64 GiB (5%)
Title : Tomb.Raider.2018.2160p.BluRay.REMUX.HEVC.DTS-HD.MA.TrueHD.7.1.Atmos-FGT
Language : English
Default : Yes
Forced : No
Audio #2
ID : 4
Format : DTS
Format/Info : Digital Theater Systems
Format profile : MA / Core
Mode : 16
Format settings, Endianness : Big
Codec ID : A_DTS
Duration : 1 h 57 min
Bit rate mode : Variable / Constant
Bit rate : 4 138 kb/s / 1 509 kb/s
Channel(s) : 8 channels / 6 channels
Channel positions : Front: L C R, Side: L R, Back: L R, LFE / Front: L C R, Side: L R, LFE
Sampling rate : 48.0 kHz
Frame rate : 93.750 FPS (512 spf)
Bit depth : 24 bits
Compression mode : Lossless / Lossy
Stream size : 3.41 GiB (6%)
Title : Tomb.Raider.2018.2160p.BluRay.REMUX.HEVC.DTS-HD.MA.TrueHD.7.1.Atmos-FGT
Language : English
Default : No
Forced : No
Audio #3
ID : 5
Format : AC-3
Format/Info : Audio Coding 3
Mode extension : CM (complete main)
Format settings, Endianness : Big
Codec ID : A_AC3
Duration : 1 h 57 min
Bit rate mode : Constant
Bit rate : 448 kb/s
Channel(s) : 6 channels
Channel positions : Front: L C R, Side: L R, LFE
Sampling rate : 48.0 kHz
Frame rate : 31.250 FPS (1536 spf)
Bit depth : 16 bits
Compression mode : Lossy
Stream size : 378 MiB (1%)
Title : Tomb.Raider.2018.2160p.BluRay.REMUX.HEVC.DTS-HD.MA.TrueHD.7.1.Atmos-FGT
Language : English
Default : No
Forced : No
Audio #4
ID : 6
Format : AC-3
Format/Info : Audio Coding 3
Mode extension : CM (complete main)
Format settings, Endianness : Big
Codec ID : A_AC3
Duration : 1 h 57 min
Bit rate mode : Constant
Bit rate : 448 kb/s
Channel(s) : 6 channels
Channel positions : Front: L C R, Side: L R, LFE
Sampling rate : 48.0 kHz
Frame rate : 31.250 FPS (1536 spf)
Bit depth : 16 bits
Compression mode : Lossy
Stream size : 378 MiB (1%)
Title : Tomb.Raider.2018.2160p.BluRay.REMUX.HEVC.DTS-HD.MA.TrueHD.7.1.Atmos-FGT
Language : Japanese
Default : No
Forced : No
Audio #5
ID : 7
Format : AC-3
Format/Info : Audio Coding 3
Mode extension : CM (complete main)
Format settings, Endianness : Big
Codec ID : A_AC3
Duration : 1 h 57 min
Bit rate mode : Constant
Bit rate : 448 kb/s
Channel(s) : 6 channels
Channel positions : Front: L C R, Side: L R, LFE
Sampling rate : 48.0 kHz
Frame rate : 31.250 FPS (1536 spf)
Bit depth : 16 bits
Compression mode : Lossy
Stream size : 378 MiB (1%)
Title : Tomb.Raider.2018.2160p.BluRay.REMUX.HEVC.DTS-HD.MA.TrueHD.7.1.Atmos-FGT
Language : English
Default : No
Forced : No
Audio #6
ID : 8
Format : AC-3
Format/Info : Audio Coding 3
Mode extension : CM (complete main)
Format settings, Endianness : Big
Codec ID : A_AC3
Duration : 1 h 57 min
Bit rate mode : Constant
Bit rate : 448 kb/s
Channel(s) : 6 channels
Channel positions : Front: L C R, Side: L R, LFE
Sampling rate : 48.0 kHz
Frame rate : 31.250 FPS (1536 spf)
Bit depth : 16 bits
Compression mode : Lossy
Stream size : 378 MiB (1%)
Title : Tomb.Raider.2018.2160p.BluRay.REMUX.HEVC.DTS-HD.MA.TrueHD.7.1.Atmos-FGT
Language : French
Default : No
Forced : No
Audio #7
ID : 9
Format : DTS
Format/Info : Digital Theater Systems
Format profile : MA / Core
Mode : 16
Format settings, Endianness : Big
Codec ID : A_DTS
Duration : 1 h 57 min
Bit rate mode : Variable / Constant
Bit rate : 2 335 kb/s / 1 509 kb/s
Channel(s) : 6 channels
Channel positions : Front: L C R, Side: L R, LFE
Sampling rate : 48.0 kHz
Frame rate : 93.750 FPS (512 spf)
Bit depth : 16 bits
Compression mode : Lossless / Lossy
Stream size : 1.92 GiB (4%)
Title : Tomb.Raider.2018.2160p.BluRay.REMUX.HEVC.DTS-HD.MA.TrueHD.7.1.Atmos-FGT
Language : Italian
Default : No
Forced : No
Audio #8
ID : 10
Format : AC-3
Format/Info : Audio Coding 3
Mode extension : CM (complete main)
Format settings, Endianness : Big
Codec ID : A_AC3
Duration : 1 h 57 min
Bit rate mode : Constant
Bit rate : 448 kb/s
Channel(s) : 6 channels
Channel positions : Front: L C R, Side: L R, LFE
Sampling rate : 48.0 kHz
Frame rate : 31.250 FPS (1536 spf)
Bit depth : 16 bits
Compression mode : Lossy
Stream size : 378 MiB (1%)
Title : Tomb.Raider.2018.2160p.BluRay.REMUX.HEVC.DTS-HD.MA.TrueHD.7.1.Atmos-FGT
Language : Chinese
Default : No
Forced : No
Audio #9
ID : 11
Format : AC-3
Format/Info : Audio Coding 3
Mode extension : CM (complete main)
Format settings, Endianness : Big
Codec ID : A_AC3
Duration : 1 h 57 min
Bit rate mode : Constant
Bit rate : 448 kb/s
Channel(s) : 6 channels
Channel positions : Front: L C R, Side: L R, LFE
Sampling rate : 48.0 kHz
Frame rate : 31.250 FPS (1536 spf)
Bit depth : 16 bits
Compression mode : Lossy
Stream size : 378 MiB (1%)
Title : Tomb.Raider.2018.2160p.BluRay.REMUX.HEVC.DTS-HD.MA.TrueHD.7.1.Atmos-FGT
Language : Spanish
Default : No
Forced : No
Audio #10
ID : 12
Format : AC-3
Format/Info : Audio Coding 3
Mode extension : CM (complete main)
Format settings, Endianness : Big
Codec ID : A_AC3
Duration : 1 h 57 min
Bit rate mode : Constant
Bit rate : 448 kb/s
Channel(s) : 6 channels
Channel positions : Front: L C R, Side: L R, LFE
Sampling rate : 48.0 kHz
Frame rate : 31.250 FPS (1536 spf)
Bit depth : 16 bits
Compression mode : Lossy
Stream size : 378 MiB (1%)
Title : Tomb.Raider.2018.2160p.BluRay.REMUX.HEVC.DTS-HD.MA.TrueHD.7.1.Atmos-FGT
Language : Portuguese
Default : No
Forced : No
Text #1
ID : 13
Format : PGS
Muxing mode : zlib
Codec ID : S_HDMV/PGS
Codec ID/Info : Picture based subtitle format used on BDs/HD-DVDs
Duration : 1 h 56 min
Bit rate : 20.6 kb/s
Count of elements : 2244
Stream size : 17.2 MiB (0%)
Title : English-PGS
Language : English
Default : Yes
Forced : No
Text #2
ID : 14
Format : PGS
Muxing mode : zlib
Codec ID : S_HDMV/PGS
Codec ID/Info : Picture based subtitle format used on BDs/HD-DVDs
Duration : 1 h 56 min
Bit rate : 14.4 kb/s
Count of elements : 1850
Stream size : 12.1 MiB (0%)
Title : French-PGS
Language : French
Default : No
Forced : No
Text #3
ID : 15
Format : PGS
Muxing mode : zlib
Codec ID : S_HDMV/PGS
Codec ID/Info : Picture based subtitle format used on BDs/HD-DVDs
Duration : 1 h 56 min
Bit rate : 20.1 kb/s
Count of elements : 2304
Stream size : 16.8 MiB (0%)
Title : Italian-PGS
Language : Italian
Default : No
Forced : No
Text #4
ID : 16
Format : PGS
Muxing mode : zlib
Codec ID : S_HDMV/PGS
Codec ID/Info : Picture based subtitle format used on BDs/HD-DVDs
Duration : 1 h 57 min
Bit rate : 17.3 kb/s
Count of elements : 1816
Stream size : 14.5 MiB (0%)
Title : Chinese-PGS
Language : Chinese
Default : No
Forced : No
Text #5
ID : 17
Format : PGS
Muxing mode : zlib
Codec ID : S_HDMV/PGS
Codec ID/Info : Picture based subtitle format used on BDs/HD-DVDs
Duration : 1 h 56 min
Bit rate : 16.3 kb/s
Count of elements : 1700
Stream size : 13.6 MiB (0%)
Title : Spanish-PGS
Language : Spanish
Default : No
Forced : No
Text #6
ID : 18
Format : PGS
Muxing mode : zlib
Codec ID : S_HDMV/PGS
Codec ID/Info : Picture based subtitle format used on BDs/HD-DVDs
Duration : 1 h 56 min
Bit rate : 16.7 kb/s
Count of elements : 1694
Stream size : 13.9 MiB (0%)
Title : Portuguese-PGS
Language : Portuguese
Default : No
Forced : No
Text #7
ID : 19
Format : PGS
Muxing mode : zlib
Codec ID : S_HDMV/PGS
Codec ID/Info : Picture based subtitle format used on BDs/HD-DVDs
Duration : 1 h 56 min
Bit rate : 15.4 kb/s
Count of elements : 1712
Stream size : 12.9 MiB (0%)
Title : Bulgarian-PGS
Language : Bulgarian
Default : No
Forced : No
Text #8
ID : 20
Format : PGS
Muxing mode : zlib
Codec ID : S_HDMV/PGS
Codec ID/Info : Picture based subtitle format used on BDs/HD-DVDs
Duration : 1 h 56 min
Bit rate : 16.9 kb/s
Count of elements : 1694
Stream size : 14.1 MiB (0%)
Title : Portuguese-PGS
Language : Portuguese
Default : No
Forced : No
Text #9
ID : 21
Format : PGS
Muxing mode : zlib
Codec ID : S_HDMV/PGS
Codec ID/Info : Picture based subtitle format used on BDs/HD-DVDs
Duration : 1 h 53 min
Bit rate : 332 b/s
Count of elements : 38
Stream size : 276 KiB (0%)
Title : French-FORCED-PGS
Language : French
Default : No
Forced : No
Text #10
ID : 22
Format : PGS
Muxing mode : zlib
Codec ID : S_HDMV/PGS
Codec ID/Info : Picture based subtitle format used on BDs/HD-DVDs
Duration : 1 h 53 min
Bit rate : 458 b/s
Count of elements : 58
Stream size : 381 KiB (0%)
Title : Italian-FORCED-PGS
Language : Italian
Default : No
Forced : No
Text #11
ID : 23
Format : PGS
Muxing mode : zlib
Codec ID : S_HDMV/PGS
Codec ID/Info : Picture based subtitle format used on BDs/HD-DVDs
Duration : 1 h 57 min
Bit rate : 573 b/s
Count of elements : 78
Stream size : 494 KiB (0%)
Title : Chinese-FORCED-PGS
Language : Chinese
Default : No
Forced : No
Text #12
ID : 24
Format : PGS
Muxing mode : zlib
Codec ID : S_HDMV/PGS
Codec ID/Info : Picture based subtitle format used on BDs/HD-DVDs
Duration : 1 h 41 min
Bit rate : 281 b/s
Count of elements : 26
Stream size : 210 KiB (0%)
Title : Spanish-FORCED-PGS
Language : Spanish
Default : No
Forced : No
Text #13
ID : 25
Format : PGS
Muxing mode : zlib
Codec ID : S_HDMV/PGS
Codec ID/Info : Picture based subtitle format used on BDs/HD-DVDs
Duration : 1 h 53 min
Bit rate : 133 b/s
Count of elements : 16
Stream size : 111 KiB (0%)
Title : Portuguese-FORCED-PGS
Language : Portuguese
Default : No
Forced : No
Text #14
ID : 26
Format : PGS
Muxing mode : zlib
Codec ID : S_HDMV/PGS
Codec ID/Info : Picture based subtitle format used on BDs/HD-DVDs
Duration : 1 h 45 min
Bit rate : 222 b/s
Count of elements : 143
Stream size : 172 KiB (0%)
Title : Japanese-PGS
Language : Japanese
Default : No
Forced : No
Text #15
ID : 27
Format : PGS
Muxing mode : zlib
Codec ID : S_HDMV/PGS
Codec ID/Info : Picture based subtitle format used on BDs/HD-DVDs
Duration : 1 h 50 min
Bit rate : 11.9 kb/s
Count of elements : 1711
Stream size : 9.42 MiB (0%)
Title : Japanese-FORCED-PGS
Language : Japanese
Default : No
Forced : No
Menu
00:00:00.000 : en:Chapter 1
00:13:13.250 : en:Chapter 2
00:24:04.234 : en:Chapter 3
00:31:57.999 : en:Chapter 4
00:39:57.061 : en:Chapter 5
00:50:31.069 : en:Chapter 6
01:04:49.844 : en:Chapter 7
01:13:58.100 : en:Chapter 8
01:20:17.395 : en:Chapter 9
01:27:41.130 : en:Chapter 10
01:38:41.624 : en:Chapter 11
01:51:17.420 : en:Chapter 12
real 0m2.488s
user 0m0.084s
sys 0m0.012s
felix@gemini:/gmedia
That’s first time as the second time takes sub 1 second.
Are you running Ubuntu? It could be a similar kernel issue that other folks have reported. I run Debian personally.