Firefox starts consuming >10GB RAM when idle
Categories
(Core :: Performance: General, defect)
Tracking
()
People
(Reporter: pjrzto462, Unassigned, NeedInfo)
Details
Attachments
(1 file)
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889.76 KB,
application/x-zip-compressed
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User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:97.0) Gecko/20100101 Firefox/97.0
Steps to reproduce:
- Start Firefox
- Open a couple of tabs on the same or diffrent websites (actual visited website per tab does not matter)
- Let firefox idel for 2-3h in the background
After a while firefox slows down, temporarily freezes.
A look in the windos taskmanager shows, fiefox consuming up to 10GB of RAM, sometimes even more. (See: Screen_WindowsTaskManager)
Interestingly this behaviour can't be viewd in the internal firefox TaskManager (See: Screen_FFtaskManager)
Attached are:
- Windows TaskManager scereenshot
- Firefox TaskManager screenshot
- Frefox memory report
- about:support information
Actual results:
- Single Firefox process hogging >8GB of RAM without beeing related to any actual web-content.
Expected results:
I guess firefox is not supposed to allocate that much memory?
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Comment 1•3 years ago
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The Bugbug bot thinks this bug should belong to the 'Core::Performance' component, and is moving the bug to that component. Please revert this change in case you think the bot is wrong.
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Comment 2•3 years ago
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Could you try running Firefox in troubleshoot mode to see if you are still able to reproduce the problem. This will help us to determine if one or more of your addons are causing the performance issue.
Here's an article on enabling troubleshoot mode: https://support.mozilla.org/en-US/kb/diagnose-firefox-issues-using-troubleshoot-mode#w_how-to-start-firefox-in-4troubleshoot-modesf5safe-modesf
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Comment 3•3 years ago
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With no answer from the reporter, we don’t have enough data to reproduce and/or fix this issue. Please reopen or file a new bug with more information if you see it again.
Description
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