Unity Creating Huge Editor.log file

When you're looking at the project in the Hub - look to the right, there are 3 vertical dots for each project, click them and you will see a drop-down with the option "Advanced Project Settings". This is what you need to add -logFile NUL

 

Hi,
@JeffDUnity3D : I think this has been reported before and left unanswered here : https://forum.unity.com/threads/bug-mega-logging-when-unity-is-in-background.672100/

As mentioned in that other thread, the error (at least for me) is

selector_thread_wakeup_drain_pipes: recv () failed, error (10054)

Edit : It doesn't happen systematically but still happens in 2019.1.14 and I don't have a VPN.

 

Happened to me too,

selector_thread_wakeup_drain_pipes: recv () failed, error (10054)

80GB of log file and I lost some unrelated work.
I use Windscribe VPN, and it wasn't even on!
What gives? I expect it's only time before somebody's SSD gets fried or somebody loses something valuable due to this 'feature' and all sorts of legal trouble could ensue.

 

Bumping both threads on a work day because this needs to be addressed. This is potentially causing hardware issues. On system SSDs too, because it's all in the AppData directories that are on system drives by default.
Edit : Apparently there's a 3rd thread too : https://forum.unity.com/threads/error-log-23gb-and-locks-up-windows.673534/

 

Just confirming NordVPN-problems. Opening NordVPN often crashes Unity. I just had a 65gb log file after having had NordVPN open for couple hours. It stopped at 65gb due to disk space. Cannot open log file in NP++ due to too large file size.

 

I confirm that sometimes having NordVPN connected slow down or crash Unity opening.
Why would NordVPN make that log file go bigger ? Unity is waiting for online validation :shrug: ?

 

I get the same problems with huge editor files. I also use a vpn (windscribe in my case, I have seen some random crashes). But mostly I have an issue with the editor log.

Can I start Unity from console and pass a parameter such that it doesnt save to a file? (Unity version 2018.x.x, 2019.x.x)

 

I have experienced this problem too: https://forum.unity.com/threads/cant-open-existing-projects-editor-log-file-suddenly-50gb.853447/. After reading this thread I remembered acidentally starting Windscribe VPN, while Unity was importing packages into a new project, around that same time. When I found out about the log file, I shift-deleted it in a panic. So there's no way to find out what the log said now.

 

Same happened to me ! 30 GB log file omg !!!

 

I found a 44GB file log file today - Unity 2019.3.10f1 (64-bit). Also using NordVPN and have had some troubles with blank Unity window and extremely slow startup because of it. Deleted it without looking though.

 

I found a 780 GB log file with WinDirStat - I'm guessing it's the NordVPN conflict as mentioned above, whew!

 

I've had this problem with different versions of Unity from 2017 onward. Usually it's a Shader script repeating an error, but I've had the log files fill my drive. I do have NordVPN, so that may be causing it now.

My thought is, why can't we configure the Unity Editor to enable/disable logging, rather than having to add "-logFile NUL" to each project? Or to set a limit to the Editor.Log filesize?

 

I just noticed suddenly over 100GB of free space disappeared from my SSD, and lo and behold, 100GB Editor.log is sitting there. Not cool, as it also hurts the SSD lifespan. And yes, I do use a VPN. This is on Unity 2020.1b8.

Also, there's a file called Editor-prev.log, it seems to have a modified date of today as well, and the last lines in this log have this to say, so maybe it could be a hint of some memory leak:

Code (CSharp):

1. Cleanup mono
2. debugger-agent: Unable to listen on 5156
3. [usbmuxd] Stop listen thread
4. [usbmuxd] Error:
5. [usbmuxd] Listen thread exiting
6. 10 TextureIDs were not freed
7. (Filename: C:\buildslave\unity\build\Runtime/GfxDevice/GfxDevice.cpp Line: 1588)
8.  
9. Checking for leaked weakptr:
10.   Found no leaked weakptrs.
11. [Package Manager] Server::Kill -- Server was shutdown
12. Internal: There are remaining Allocations on the JobTempAlloc. This is a leak, and will impact performance
13. (Filename: C:\buildslave\unity\build\Runtime/Allocator/ThreadsafeLinearAllocator.cpp Line: 582)
14.  
15. Internal: There are remaining Allocations on the JobTempAlloc. This is a leak, and will impact performance
16. (Filename: C:\buildslave\unity\build\Runtime/Allocator/ThreadsafeLinearAllocator.cpp Line: 582)
17.  
18. ##utp:{"type":"MemoryLeaks","version":2,"phase":"Immediate","time":1589120044567,"processId":1776,"allocatedMemory":2387222,"memoryLabels":[{"Default":-3444},{"NewDelete":463723},{"Thread":95},{"Manager":10824},{"VertexData":4128},{"Texture":456},{"Shader":2166},{"Material":5020},{"GfxDevice":200240},{"GfxThread":24},{"Physics":401},{"Serialization":40},{"Renderer":8},{"File":16916},{"String":205432},{"DynamicArray":196100},{"HashMap":39047},{"UTF16String":86},{"Utility":600},{"Curl":1440},{"PoolAlloc":179392},{"ScriptManager":109965},{"Sprites":96},{"GI":14208},{"VR":3572},{"NativeArray":36224},{"Secure":4237},{"Subsystems":96},{"VirtualTexturing":44960},{"EditorGui":352},{"EditorUtility":15176},{"AssetDatabase":787478},{"AssetImporter":32},{"RestService":56},{"ProgressiveLightmapper":-520},{"License":17184},{"UnityConnect":26628},{"Collab":760},{"Licensing":4024}]}
19. Internal: There are remaining Allocations on the JobTempAlloc. This is a leak, and will impact performance
20. (Filename: C:\buildslave\unity\build\Runtime/Allocator/ThreadsafeLinearAllocator.cpp Line: 582)
21.  

 

Had a unity project open over night and started working on it again this morning. After an hour of work I went to eat and opened a video, leaving unity running in the background. Half-way through the video, windows popped-up saying I'm out of space. It created a 268 GB Editor.log file....

 

Yeah, this seems to be VPN related, at least for me, activating VPN while Unity is running causes huge editor file, 100gigs+. Why can't Unity coexist with VPN services? Lots of people use them.

 

They said they fixed it with 2020.2.0a12, the next version to be release. https://issuetracker.unity3d.com/issues/editor-will-spam-log-file-until-hard-drive-fills

 

I have the same problem with unity 2019.3.14f1 , regarding vpn, I've used tunnel bear extension with chrome before, I can't see how it conflicts with unity

 

two points:

1. the bug might be caused by a 3rd party plugin that keeps throwing warnings
I Found one plugin that kept throwing warnings ( a favorites plugin that couldn't find a deleted game object )
I think this is probably the cause of the issue in my case.


2. another quick fix that I think worked for me was to set the editor log file to read only ( which should prevent unity from writing anything to it )

 

I have had this issue happen several times now. I can confirm that Editor.log file keeps growing despite the application is not running. It grows until disk is full, at which points evil things happen.

Yes, I am a NordVPN user. Yes, today it happened and I had used the VPN at some point.

I would appreciate an editor option for maximum log size. I will however try that -logfile NUL option

 

- Have you checked the warnings in the editor ? ( is there anything that keeps logging warnings or info ? )
- have you tried setting the log file to read only ?

 

I added the -logfile NUL parameter and problem disappeared. Didn't check the logfile content as I never use it. Thanks anyway.

 

This was fixed for me in the latest Unity 2019 version. Now putting the computer to sleep and waking it up doesn't flood the editor.log with errors. Thank you a lot!

 

Just looked at mine, 78,000 lines LOL

 

At least its not 100gb lol