HIgh memory usage seems to continually increase!
I realise that Firefox uses up a lot of Memory (particularly as it tries to run each Tab separately). However, my Firefox seems to keep increasing its usage!
I can start with a number of Tabs open & (after refreshing each Tab - to ensure it is "lice" & "active") I will get (according to Windows Task Manager) about 1,300MB in use.
Without opening up any more Tabs & without trying to run any Web-Based Videos, over a period of a few hours it will increase & increase & increase - perhaps getting up to 4,000MB!
I've cross checked with "about:performance" (to open FF's own Task Manager), to show the individual Tab usage, & that NEVER totals up to anywhere near the figures shown by the Windows Task Manager!!
Obviously, my FF is fully up to date!
Any comments!
All Replies (10)
Start Firefox in Safe Mode {web link}
A small dialog should appear. Click Start In Safe Mode (not Refresh). Is the problem still there?
https://support.mozilla.org/en-US/kb/firefox-slow-how-make-it-faster
https://support.mozilla.org/en-US/kb/firefox-uses-too-many-cpu-resources-how-fix
https://support.mozilla.org/en-US/kb/firefox-uses-too-much-memory-ram
https://support.mozilla.org/en-US/kb/firefox-hangs-or-not-responding
https://support.mozilla.org/en-US/kb/firefox-takes-long-time-start-up
https://support.mozilla.org/en-US/kb/quick-fixes-if-your-firefox-slows-down
MemTest LAST UPDATED : 12/04/2020
Could you please run a tool from http://memtest.org/
in order to check the integrity of your RAM?
You will need a thumb or disk drive to install it on.
Do you let Windows handle the page file or did you set a fixed size ?
If you use a fixed size for the page file then try the former and let Windows handle the page file.
Hi, @FredMcD,
Thanks for your response!
Have just re-started in Safe-Mode & the total memory used (as reported by Windows Task Manager) is still approx 1,300MB & the FireFox Task Manager (about:performance) is still showing considerably less (approx under 500MB).
However, my main problem is the fact that (over a number of hours) is seems to gradually use more & more memory!
Have previously read most of those Links & they also seems to be based on basic High-Memory usage (i.e. High ALL of the time), NONE of them mention anything about the gradual & increasing Memory Usage (in my case, increasing by a factor of 3!)!
Windows Page File is set to "Default" (which I assume is that Windows handles it) & never had cause to change it!
It is late evening in the UK, I'll leave it running overnight & see if there is any dramatic change!
Hi,
After running FireFox overnight (& carrying out a Refresh on all open Tabs) the Total Memory used by FireFox (according to Windows Task Manager) is now up to 1.600MB - a slight increase from just below 1,300MB - whilst FireFox's own Task Manager is still showing a total of less than 500MB!
I called for more help.
Hi, @FredMcD,
You wrote:-
"I called for more help."
I assume that you were unsuccessful in getting more help?
Thank you, anyway, for your efforts - they are really appreciated!
Best wishes, John-B
I put out the call. That's all I can do.
I too have this problem for a while now. The memory that all the tabs and add-ons use is not more than 1GB. But the memory that Firefox uses as reported by windows 10 can even reach 7GB. I have version 87.0 running on Windows 10 Pro OS build 19041.867.
You guys don't even have a problem, my Firefox is currently using 15 GIGS OF RAM!! And i restarted it just a few hours ago! This is so ridiculous.... The FF app alone is using almost 5 GIGS, and over 100% of my CPU!!!
With every new update I hold out hope it will finally run without sucking up so much RAM & CPU Usage....but not happening.
Hi, @StevenCee,
Sorry to hear that you have the same Issue (albeit, a much more difficult situation)!
I note that @FredMcD did a very good job at attempting to assist, but eventually having to escalate it - what I don't understand is why the Developers do NOT seem to be trying to address this Issue!
Regards, John-B
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I manage the memory Firefox uses by closing certain tabs if I am no longer using them. Sites such as Facebook use a lot of memory if you leave their pages open. It is easy enough to restore a tab provided you don't close more than the number specified in about:config. I also, for example, close tabs containing articles or forum threads which I have read. On some sites (such as this) I don't open separate tabs for individual threads. I notice use of ram increasing if I leave my computer unattended for an hour or so. In that case I use a button on about:memory to minimise memory usage. It has reduced memory in use by as much as 600 MiB. Firefox isn't the only application I have open and it isn't necessarily the application using the most memory. System apps are also running. This article may shed some light: https://support.mozilla.org/en-US/kb/firefox-uses-too-much-memory-or-cpu-resources
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