So right now I've been trying to help Unraid support track down a memory leak in the Unraid dashboard. The memory leak is not in Unraid, it is in the tab viewing the Unraid Dashboard from a second system. This only occurs on the dashboard tab, no other tab in the interface.

Running 6.12.14 2024-11-26 of Unraid

Issue seen on Firefox 133.0.3-2 and Librewolf 133.0.3-1 (Flatpak)

on Manjaro Linux (Kernel 6.11.11-1-MANJARO 64bit), KDE Plasma Version: 6.2.4

 

Plugins installed in Unraid which could affect this:

Custom Tab

GPU Statistics (does display on dashboard)

Disk Location

Theme Engine, but I don't currently use anything in that.

 

Viewing it on my gaming pc, which runs Linux, it will eventually use up the rest of my 32GB of ram. I've seen that tab using up as much as 12GB of ram, which is way more than all my other tabs combined. Anyone else get this? If so, please provide details of the system you saw this on, and any plugins you might run in Unraid that could affect the display of the dashboard.

 

edit: Also, I viewed the specific tab's memory use using the Task Manager in LibreWolf/Firefox.

Edited December 19, 20241 yr by thor79
how to get the memory use of the tab

Please retest after booting in safe mode to rule out any plugins issues, I have left my servers with the page open on the dash for over 24H without any issues.

5 hours ago, JorgeB said:

Please retest after booting in safe mode to rule out any plugins issues, I have left my servers with the page open on the dash for over 24H without any issues.

 

Monitoring safe mode now. Dashboard got up to 1GB used before I switched over to check on it and it reset back down to 200MB. I've just been monitoring it in the librewolf task manager. Of all the tabs I have (yeah I have 3 windows of 50+ tabs open each)..it's the only one besides librewolf itself to get to 1GB. All other get no higher than like 525MB.

 

Had one crash due to no memory yesterday, when I went to dinner I left the dashboard open. I did realize last night that I had no swap file setup, so that is now up and running, and should help prevent the hard lockup I get due to no memory. Doesn't solve the consumption of memory, just mitigates the damage.

 

As I send this it's over 800MB again. edit: Pretty steady at 4GB... (blurred part is my ip for the server)

Edited December 20, 20241 yr by thor79
added screenshot of 4GB in use

1 hour ago, thor79 said:

Pretty steady at 4GB...

Just to confirm, this is in safe mode?

4 hours ago, JorgeB said:

Just to confirm, this is in safe mode?

Yes, rebooted into safe mode, and watched it a while....got up to 4GB before I had to end my testing to go take care of my dad this morning. Back in normal mode now.

Thanks for confirming, let's see if other users can reproduce it, I cannot.

 

 

I have been getting this error after leaving the tab open for a day or so in Chrome as well. I do use the GPU statistics plugin.

 

Edited January 5, 20251 yr by banthafodder

I uninstalled the GPU statistics plugin and still get the same issue.

13 hours ago, banthafodder said:

I uninstalled the GPU statistics plugin and still get the same issue.

 

Do you get it in Safe Mode too?

Looks like the event listeners keep piling up resulting in this.  Thanks for noticing.  Fix probably won't get into the next release however

Please retest with v7.0.0 to see if the issue is fixed.

16 hours ago, JorgeB said:

Please retest with v7.0.0 to see if the issue is fixed.

Loaded up 7.0. Been testing for a bit (regular mode, not safe). I saw it get up to 2GB while leaving it be as I worked on other things, but when I interacted with the dashboard again, it made a bunch of get calls and refreshed the page, resetting the memory usage back to around 200MB. Watching it, it looks like it slowly builds up to about 1GB and stays there a while. I'll need to test longer when I'm not at my computer (right now is my primary gaming time), such as tomorrow morning, to see if leaving it a long time without touching it leads to it building beyond 2GB. Looks like if you occasionally interact with it, it manages the memory well. Even when I was watching it and not interacting, the memory build up seemed A LOT slower. Will continue testing tomorrow.

Also having this issue for several months now. Recently just updated to 7.0 and have seen it happen since then, so decided to come here and see if anyone else has the same issue. I end up noticing the issue because it somehow causes my other tabs (using Firefox stable release on Win11) to seemingly lose their internet connection. Other programs on the computer will not, just limited to the browser, and if I close the Unraid dashboard tab, within a few seconds every tab starts working again just fine. Happy to do some tests to help if needed, but not really sure where to start.

3 hours ago, Serein said:

Recently just updated to 7.0 and have seen it happen since then

7.0.0 should include a fix, or at least minimize the issue, only 7.0.0-rc2 or older were reported as having an issue for some users.

 

 

8 hours ago, Serein said:

to do some tests to help if needed

If after upgrading to 7.0.0 and closing out all the other browsers, tabs, devices open to the webUI, then try it all again.

 

If problems still exist, let me know what computer you're using, browser, how long it took for the problem to manifest itself when sitting on the dashboard, and include your diagnostics

7 hours ago, JorgeB said:

7.0.0 should include a fix, or at least minimize the issue, only 7.0.0-rc2 or older were reported as having an issue for some users.

 

 

 

2 hours ago, Squid said:

If after upgrading to 7.0.0 and closing out all the other browsers, tabs, devices open to the webUI, then try it all again.

 

If problems still exist, let me know what computer you're using, browser, how long it took for the problem to manifest itself when sitting on the dashboard, and include your diagnostics

 

Thanks, I will try and replicate and report back! I believe I've only seen it once since 7.0, and while I know it was after I updated, I suppose there's the possibility it was unrelated to Unraid in that case. But I can ssh just fine and get diagnostics if I see it again, so I'll leave the Dashboard open today and see what happens!

Actually, I was able to reproduce it fairly easily. Did it twice just to make sure. Here is the system info:

 

Firefox 134.01 (64-bit) stable

Windows 11 Pro version 24H2

Lenovo Legion 5 (Ryzen 5800H, 32GB RAM)

 

I've attached the diagnostics as well as a screenshot of Task Manger showing the 11GB of RAM that the Dashboard tab is taking. I watched it slowly grow, took about 30-40 minutes before it seemed to "stabilize" around that size. Can leave it longer and see if it gets larger if that's helpful somehow, lol. Also if more system specs are needed I can provide, but I know that I've had the same issue happen on my work laptop, too (also Windows 11, Firefox).

 

It hasn't always done this -- I used to leave my Dashboard open in a tab for hours at a time, but for several months it has been happening and so I've fallen out of the habit. When I close the Dashboard tab, the problem goes away within seconds.

cayenne-diagnostics-20250120-1228.zip

I was on 6.12.14 when I first had the issue. Upgrading to 7.0 has not fixed it.

Have a follow-up to this. I had a thought on what might be causing it, so I did some A/B testing with my Dashboard. Since whenever it was added, or shortly after at least, I have been using the fancy "real-time graphs" for CPU usage and network activity. Not sure what they are officially called, but see the attached image just to be 100% clear. I turned one off and left the other on, and the same problem still happened, but took longer. Switched them, so one off and one on, same thing. So, I turned both off, and bam, I can leave the Dashboard open for hours now without any problems.

Thanks for your investigation.  The fix we put in for memory issues on 7.0.0 obviously didn't cover everything.  This gives us a good data point on solving this issue.

2 hours ago, Serein said:

I had a thought on what might be causing it,

Do you have multiple tabs / browsers / devices sitting on the dashboard by chance?

12 hours ago, Squid said:

Do you have multiple tabs / browsers / devices sitting on the dashboard by chance?

 

Nope, just the one.

following topic, i have been getting this since i upgraded to 7.0, havent tried safe mode but at least i now know im not alone.

Have the gpu and disk locations pluggin also

I believe that I've got this issue fixed, and should make it into the next OS release after refinements are done.

Still experiencing this on 7.1.4. Tab is left open, but will go inactive. Switching to tab will often produce a sluggish page refresh. Just verified the tab was using 7 gigs.