Join the AMA (Ask Me Anything) with the Firefox leadership team to celebrate Firefox 20th anniversary and discuss Firefox’s future on Mozilla Connect. Mark your calendar on Thursday, November 14, 18:00 - 20:00 UTC!

为提升您的使用体验,本站正在维护,部分功能暂时无法使用。如果本站文章无法解决您的问题,您想要向社区提问的话,请到 Twitter 上的 @FirefoxSupport 或 Reddit 上的 /r/firefox 提问,我们的支持社区将会很快回复您的疑问。

搜索 | 用户支持

防范以用户支持为名的诈骗。我们绝对不会要求您拨打电话或发送短信,及提供任何个人信息。请使用“举报滥用”选项报告涉及违规的行为。

详细了解

Firefox 85 uses lots of memory on 1 tab

  • 7 个回答
  • 1 人有此问题
  • 10 次查看
  • 最后回复者为 FredMcD

more options

Well this problem exists since i first time use firefox (84.0). Problem: Firefox uses 500MB memory with 0 tab, uses more with more tabs This is not a question raised by computer noobs but i am sure that something goes wrong in my computer. I asked my friends and their firefox uses 200MB with 1 tab This is very strange. I would provide all debug information if you need. The picture provided is captured after clicking "minimize memory usage" on about:memory

Well this problem exists since i first time use firefox (84.0). Problem: Firefox uses 500MB memory with 0 tab, uses more with more tabs This is not a question raised by computer noobs but i am sure that something goes wrong in my computer. I asked my friends and their firefox uses 200MB with 1 tab This is very strange. I would provide all debug information if you need. The picture provided is captured after clicking "minimize memory usage" on about:memory
已附加屏幕截图

所有回复 (7)

more options

task manager

more options

well in safe mode

more options

More than one process is normal for the current Firefox. http://www.ghacks.net/2016/07/22/multi-process-firefox/

Multi-process Firefox is codenamed "e10s". https://wiki.mozilla.org/Firefox/multiprocess


Eric15342335 said

well in safe mode

Does that mean the problem is gone in Safe Mode?


It could be the work of one of your add-ons, or it could be Hardware Acceleration. How to disable Hardware Acceleration {web link}

Type about:addons<enter> in the address bar to open your Add-ons Manager. Hot key; <Control> (Mac=<Command>) <Shift> A)

In the Add-ons Manager, on the left, select Extensions. Disable a few add-ons, then Restart Firefox.

Some added toolbar and anti-virus add-ons are known to cause Firefox issues. Disable All Of them.

If the problem continues, disable some more (restarting FF). Continue until the problem is gone. After, you know what group is causing the issue. Re-enable the last group ONE AT A TIME (restarting FF) until the problem returns.

Once you think you found the problem, disable that and re-enable all the others, then restart again. Let us know who the suspect is, detective.

more options

Hello FredMcD!

Thanks for your response!

I havetried Safe mode + disable hardware acceleration and FF only uses 220MB memory (1 tab with about:memory) (It is the first time firefox use that less memory). It's happy to see it but I think it still didn't solve my confusion.

As I said before, my friend's FF uses ONLY 180MB memory with no safe mode + have hardware acceleration + have some add-ons enabled. Firefox memory footprint is a bit frustrating for me because chrome uses less memory than firefox on my laptop!

I also tried out firefox nightly and it starts with around 400MB memory usage. It seems that the problem is about my system not firefox. I set my virtual memory to 8GB (not on C: drive) and 400MB in C: drive before, is this possible to make firefox allocate more physical memory?

Sorry for my inappropriate grammar and the unorganized passage. Thanks for your help!

more options

also a question: in my task manager firefox has 6 processes (has 5 after disabling hardware acceleration) but in my friend's case he has only 4. how?

由user3345223于修改

more options

Eric15342335 said

also a question: in my task manager firefox has 6 processes but in my friend's case he has only 4. how?

The processes other than firefox on the task manager are the processes for the addons

more options

Basically, an OOM (Out Of Memory) means the system is having issues with the RAM.

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. How to determine the appropriate page file size for 64-bit versions of Windows {web link}