1891345 - Enourmous RAM usage (60Gig)

Status: UNCONFIRMED

(Core :: Performance, defect)

Description

[z_buffer]

Attachment: memory-report.json.gz

User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:124.0) Gecko/20100101 Firefox/124.0

Steps to reproduce:

waching a film on
https://www.canalplus.com/

Actual results:

After a while, Firefox Freezes and task Manager shows that RAM usage is over 64 gigs (I have 64Gig RAM), and NVidia 4080, running Windows Pro 11

Expected results:

... nothing ... (no freeze and 'normal' RAM usage)

Comment 1

[BugBot [:suhaib / :marco/ :calixte]]

The Bugbug bot thinks this bug should belong to the 'Core::Performance' component, and is moving the bug to that component. Please correct in case you think the bot is wrong.

Comment 2

[BugBot [:suhaib / :marco/ :calixte]]

This bug was moved into the Performance component.

:z_buffer, could you make sure the following information is on this bug?

• For slowness or high CPU usage, capture a profile with http://profiler.firefox.com/, upload it and share the link here.
• ✅ For memory usage issues, capture a memory dump from about:memory and attach it to this bug.
• Troubleshooting information: Go to about:support, click "Copy raw data to clipboard", paste it into a file, save it, and attach the file here.

If the requested information is already in the bug, please confirm it is recent.

Thank you.

Comment 3

[z_buffer]

(In reply to BugBot [:suhaib / :marco/ :calixte] from comment #2)

This bug was moved into the Performance component.

:z_buffer, could you make sure the following information is on this bug?

• For slowness or high CPU usage, capture a profile with http://profiler.firefox.com/, upload it and share the link here.
• ✅ For memory usage issues, capture a memory dump from about:memory and attach it to this bug.
• Troubleshooting information: Go to about:support, click "Copy raw data to clipboard", paste it into a file, save it, and attach the file here.

If the requested information is already in the bug, please confirm it is recent.

Thank you.

Hello,
Due to file size (> 10 Mo) I could not upload the profiler data.
Here is a WeeTransfer link to the profiler data:
https://we.tl/t-bm6LQKn0mV

Hope tjhis can help,
Kind Regards

Comment 4

[Markus Stange [:mstange]]

The memory report contains the following:

webIsolated=https://canalplus.com (pid 9584)
Explicit Allocations

40,708.04 MB (100.0%) -- explicit
├──38,210.27 MB (93.86%) -- window-objects/top(https://www.canalplus.com/live/?channel=296, id=43)
│  ├──37,737.00 MB (92.70%) -- active
│  │  ├──37,736.65 MB (92.70%) -- window(https://www.canalplus.com/live/?channel=296)
│  │  │  ├──29,838.27 MB (73.30%) -- data-documents/dom
│  │  │  │  ├──25,729.68 MB (63.21%) ── element-nodes

That's 25GB of element nodes! Someone is leaking; could be Firefox, or an add-on, or canalplus.com.

Comment 5

[z_buffer]

Hello,
Thanks for you insight.
Anything else I should do on my side ?

What should I do to try to resolve this ?
Regards,

Comment 6

[Bas Schouten (:bas.schouten)]

(In reply to z_buffer from comment #5)

Hello,
Thanks for you insight.
Anything else I should do on my side ?

What should I do to try to resolve this ?
Regards,

Can you see if the issue reproduces with a clean profile without any add-ons installed?