Plex Crashes Every 3 Days at 3:30am Due to System "Out of Memory" Since PMS 1.24.4.5081

[sa2000]

The fix for the massive DB and very large number of Extras leading to memory allocation failures and crashes is now out in Plex Media Server beta 1.25.4.5426
See release notice

Plex Media Server

Plex Media Server 1.25.4.5426 is now available to Plex Pass users in the Beta update channel. NEW: (NOTE) Database changes may cause longer than normal start-up times after initial installation of this update, especially on larger libraries. Please be patient and do not interrupt this process. (Library) Refresh movie metadata periodically during scheduled tasks (#13250) (Metadata) Add Bulgarian language option for modern movie and TV agents (#13263) (TLS) Server-side HTTPS connection support…

• (Metadata) Some users could end up with massive amounts of duplicate extras (#13241)

The immediate issue of crashes, memory allocation failures get resolved on first launch. The database will shrink slowly over a number of weeks. For example if there are a million extras on a movie - it would take about 11 week to purge all the orphaned database items after the initial deletion of the extras - the purge is up to 100K at a time when the database is optimized and the scheduled task runs this once a week. Of course users can run manual database optimizes which would reduce the period. Note that during an optimize the server is effectively locked out and it may initially take 20 minutes or more

Anyone with the early alpha build with the initial fix should update to this beta

Thanks to everyone for help in tracking down this bug with investigations and diagnostics from @shayanzadeh @Volts @jakehoms @spartan018 - just to mention a few

[ElusiveZatchmo]

@sa2000

The immediate issue of crashes, memory allocation failures get resolved on first launch. The database will shrink slowly over a number of weeks. For example if there are a million extras on a movie - it would take about 11 week to purge all the orphaned database items after the initial deletion of the extras - the purge is up to 100K at a time when the database is optimized and the scheduled task runs this once a week. Of course users can run manual database optimizes which would reduce the period. Note that during an optimize the server is effectively locked out and it may initially take 20 minutes or more

I’ve updated to version Plex Media Server beta 1.25.4.5426 and I’m still crashing from memory issues (using way too much ram) during scheduled tasks and am looking for help options for a fix. Will optimizing my database frequently/often help accelerate a fix for this issue for me? I’ve tried setting Plex to not send crash reports so that I can send them, but that setting appears to get reset with every restart I have to do with Plex, so I don’t have any crash reports to upload here. I do have my logs from my most recent crash put up in the thread I had started about my issue months ago here:
https://forums.plex.tv/t/server-frequently-crashes-even-after-latest-update/761650/30

[ElusiveZatchmo]

So, I’ve been optimizing all day in the background the past couple days, and the size of my database hasn’t changed and I’m still crashing during scheduled tasks

Please help

[user49]

2022/1/2 plex continues to automatically deactivate. It’s been up to 1 week in a row.

[ElusiveZatchmo]

My Plex server (now using Version 1.25.5.5492) is still showing excessive RAM usage as notated in this post:

Plex Using 100+ GB of RAM during Schedule Tasks

Another update … another crash. Plex Media Server 1.25.4.5487 was released yesterday I installed it and I still crashed due to excessive RAM usage during scheduled tasks. I enabled the secret setting to log memory usage, so here’s my log files in hopes that something stands out for why this is happening. Plex Media Server Logs_2022-02-02_14-01-36.zip (5.1 MB) Here is a log from my server host showing Plex’s excessive RAM usage before the limiter is forced to kill my Plex process. plex_oom_…

[sa2000]

@ElusiveZatchmo

My Plex server (now using Version 1.25.5.5492) is still showing excessive RAM usage as notated in this post:

Thanks - I am following your issue in this forum thread Plex Using 100+ GB of RAM during Schedule Tasks - Plex Media Server / Desktops & Laptops - Plex Forum

I

[sa2000]

@user49

plex continues to automatically deactivate. It’s been up to 1 week in a row.

Please ensure debug logging is enabled on the server and when the problem arises download the server logs immediately after restarting the server and post here so that an investigation can be started

Thanks

[Rusty03]

I have been monitoring this and several other topics on the mater of crashing. I have 2 dedicated Syno NAS devices with more then enough RAM (16GB), but since version 1.23+ at some point, I keep getting random crashes. Sometimes even when the server is not even used.

I have set up 4AM local time a scheduled restarts of Plex server, but this does not mean that the server will not crash the same day or sometimes after several days.

I have just had a crash, and started the server up again. Fresh logs are attached.

This happens on both server as they run the same PMS version and are on the same CPU arch.

Ty
Plex Media Server Logs_2022-02-09_14-32-22.zip (3.1 MB)

[sa2000]

@Rusty03

have been monitoring this and several other topics on the mater of crashing. I have 2 dedicated Syno NAS devices with more then enough RAM (16GB), but since version 1.23+ at some point, I keep getting random crashes. Sometimes even when the server is not even used.

I have set up 4AM local time a scheduled restarts of Plex server, but this does not mean that the server will not crash the same day or sometimes after several days.

I have just had a crash, and started the server up again. Fresh logs are attached.

This happens on both server as they run the same PMS version and are on the same CPU arch.

Thank You

I found some uploaded crash reports - could you get me more up to date debug server logs to see if they would match the recently uploaded crash reports

and try latest beta to see if the situation changes - current beta 1.25.6.5577-c8bd13540

[sa2000]

@Rusty03

I have just had a crash, and started the server up again. Fresh logs are attach

I found dumps for these times
Do you have debug server logs for any of these times - the times are in UTC so add an hout

Feb 13, 2022 1:01:54 PM UTC
Feb 17, 2022 4:56:25 PM UTC
Feb 18, 2022 6:27:09 PM UTC

If you find logs - please attach

Can you look in this path for dump file
Path /volume1/Plex/tmp_transcoding/

Dump Files -

b5e0bbc3-030b-4e9a-487aafa8-e34fec11
08570041-f264-4c10-320563b8-677a0ff1

If you find please zip and attach

[Rusty03]

Atm I am on 1.25.6.5545, still haven’t update to 5577 as for the past 7 days I haven’t had a crash on either of the platforms until yesterday, when one of the servers crashed.

Adding its logs now. I will test the new version this weekend.

Plex Media Server Logs_2022-02-25_14-33-10.zip (3.0 MB)