We're calling on all EU-based Mozillians with iOS or iPadOS devices to help us monitor Apple’s new browser choice screens. Join the effort to hold Big Tech to account!

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Èròjà atẹ̀lélànà yii ni a ti fi pamọ́ fọ́jọ́ pípẹ́. Jọ̀wọ́ béèrè ìbéèrè titun bí o bá nílò ìrànwọ́.

Absurd amounts of RAM used

  • 2 àwọn èsì
  • 1 ní ìṣòro yìí
  • 8 views
  • Èsì tí ó kẹ́hìn lọ́wọ́ Bithiah

more options

I used to be able to run Firefox without problems, but after updating to Monterey beta 8, I started getting pop-ups from MacOS telling me to force close programs. Firefox is using upwards of 30GBs of ram and swap on my 8GB M1 Macbook Air.

Measuring using about:memory spits out the following:

Main Process (pid 2140) Explicit Allocations

25,429.92 MB (100.0%) -- explicit ├──24,686.22 MB (97.08%) ── heap-unclassified ├─────472.45 MB (01.86%) -- heap-overhead │ ├──415.69 MB (01.63%) ── bookkeeping │ └───56.76 MB (00.22%) ++ (2 tiny) └─────271.25 MB (01.07%) ++ (31 tiny)

How do I limit the amount of RAM Firefox uses?

I used to be able to run Firefox without problems, but after updating to Monterey beta 8, I started getting pop-ups from MacOS telling me to force close programs. Firefox is using upwards of 30GBs of ram and swap on my 8GB M1 Macbook Air. Measuring using about:memory spits out the following: Main Process (pid 2140) Explicit Allocations 25,429.92 MB (100.0%) -- explicit ├──24,686.22 MB (97.08%) ── heap-unclassified ├─────472.45 MB (01.86%) -- heap-overhead │ ├──415.69 MB (01.63%) ── bookkeeping │ └───56.76 MB (00.22%) ++ (2 tiny) └─────271.25 MB (01.07%) ++ (31 tiny) How do I limit the amount of RAM Firefox uses?

All Replies (2)

more options

Hey there!

See the following website on what to do to fix the performance issue:

https://support.mozilla.org/en-US/kb/firefox-uses-too-much-memory-or-cpu-resources

Hope I helped!

Kind regards,

Bithiah

more options

Hey there!

If your problem has been solved, please mark a solution so others can know this thread is solved.

Thank you!

Bithiah