Firefox uses too much ram

My FIrefox has been using too much RAM as of late. I have followed all the steps in the firefox support page about checking for possible plugins that may or may not be using too much RAM, but after starting firefox in safe mode, there really wasn't much of a difference. Maybe like 5k kb less, but it's still not enough to account for the 1.7million kb that firefox ends up using with one tab open.
I like to leave my pc on for a bit, and sometimes I'll leave firefox running with a tab open while I'm using other applications, but even if i restart my firefox, the RAM usage does not decrease. After closing all applications and leaving only firefox running, it appears to be around 1.5million kb. Only if i restart my whole pc does the RAM usage drop back to normal levels, and then it ramps back up after a period of time.
I would like to get this resolved soon, or at least figure out the cause of this.
http://puu.sh/9ihMr/585bac7192.png
http://puu.sh/9ihPx/4a9da78104.png
My system has:
2x2GB DDR3 Kingston memory modules
Radeon HD5850 with 1 GB of RAM
AMD Phenom II X4 955 processor 3.20GHz
Windows 7 Professional, SP 1 64-bit OS

Start your Computer in safe mode with networking. See if there
is still a problem.
It could be the work of one of your add-ons, or even add / mal-ware.
Look thru your add-ons list and make sure you know what each one is
there for. Also, check the programs that are on your computer
'''Windows > Start > Control Panel > Uninstall Programs.'''
'''Mac: Open the "Applications" folder'''
Go thru the list and use a web search to check any that you don't
know what they are.
'''''[https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-caused-malware Troubleshoot Firefox Issues Caused By Malware]''''' {web link}

Similar Messages

Firefox using too much RAM

When starting (or restarting Firefox) everything is fine - even with loads of tabs open. Slowly, even if I'm not using it the RAM usage increases 500M and up.
I'm running 35.0.1, but the problem existed with earlier versions too. Reading various threads looks like I'm not the only one, but none of the threads come up with a solution.
I have however tried all the things suggested, disabled hardware acceleration, running in safe mode, etc. Makes no difference. The problem remains. The only thing that works is closing Firefox and reopening it, say every 30 minutes - that's a pain.
As I say this has been going on for a long time in various version (certainly a year or two) and on various PCs. On 64 bit machines with loads of RAM it's a nuisance, but I have some applications which will only run in a true 32 bit environment, and in on those machines Firefox is to all intents and purposes unusable.
The other thing that works is using explorer, but I've been a Thunderbird user almost since day 1 - back in the days when real mozilla techs gave real technical support - so I really don't want to have to do that.
Would be good, as a starting point if someone could say how much RAM Firefox should use running in safe mode with only one tab open. That would at least put a stake in the ground.

What programs do you have installed on your machine? You said you already "altered" the about:config variables. Which ones did you alter? You can try using an earlier version and/or a portable one. Have you tired refreshing Firefox? Try starting Firefox in private browsing mode.
I cannot replicate this problem you are having, I have currently 10 tabs open and it is barely pushing the 400mb mark. It may be an issue with Windows 7. Have you used Ccleaner to clean out the registry, after an uninstall, before you reinstall it?

Firefox use too much memory

Hi
I had this problem one weak ago, I did all suggestion that this link said and it didn't help:
https://support.mozilla.org/ar/kb/firefox-uses-too-much-memory-ram#w_disabling-memory-consuming-plugins
I don't have many taps oppened only 47 taps.
My firefox now usiing 2GB ram, can anyone help me how to fix it?
Thank you

Hello,
Can you please follow the instructions in the ''Memory troubleshooting tools'' section of the [[Firefox uses too much memory (RAM) - How to fix]] support article and provide the about:memory section details in this ticket. We can take a look at it and suggest possible options.
Thank you

Firefox consumes too much RAM, caused by js

I'm having problems with Firefox consuming too much RAM memory. Several people are complaining about this but I did some further research before posting here, using about:memory, and I found out that js-non-window and js-main-runtime are causing this.
When I start up a blank Firefox session I immediately have an allocation of 260MB of RAM. About 75-80% of this is taken up by those two js (javascript?) processes.
After opening about 10 tabs with different webpages the RAM usage has gone up to about 750MB. During the time the tabs are open most of the extra MB's are consumed by the window-objects (40MB per page, still seems quite a lot to me for just a news site with one article...) but after closing them the memory usage didn't go down and it transferred to the two already mentioned js processes. This transfer to the js processes is not always the case, it seems to happen only if I open a lot of tabs, let's say 10+ perhaps.
I tried disabling Javascript using the plugin SettingSanity, but this makes browsing quite uncomfortable of course and worst of all it doesn't solve the problem. The mentioned processes keep using the same amount of RAM.
I have this exact same problem on all my computers and laptops so it can't be a coincidence. Is there nothing I can do about this? Is this under investigation? How can a browser with 10 web pages open need almost 800MB of RAM?
And please don't answer "install more RAM". The pc I have most problems with has 2GB of physical RAM and I really do think that opening 10 web pages should be possible on such a computer. Doing the same in Internet Explorer consumes less than half the amount of RAM memory.
P.S: I sent this query using IE because I could't get to this page in Firefox. The "Ask This" button didn't work...

Try in Firefox's safe mode disable all plugins, and open with only a new tab set by using ''about:blank'' . As suggested above also consider as a test creating and using a new Firefox profile.
When I start like that I have around 70MB explicit shown in ''about:memory'' and that includes ''js-non-window'' of around 30MB
I know in the past I have opened more than 10 tabs on a machine with less than 1GB ram installed and not noticed problems.

Firefox uses too much cache when commenting in Facebook - 45MB when the text is only 1kB - why?

Firefox uses too much cache when commenting in Facebook. I wrote a comment up to 1000 characters and my PC crawled. I had to wait several times for the text to catch up with my typing. I cleared caches after entering my comment and it freed up 45MB of RAM from the firefox.exe process in Windows Task Manager. Why does Firefox use 45MB when the text is only 1kB?
Another time the firefox.exe process began at 88MB and went up to 250MB whilst writing a comment, reducing to 170MB afterwards. Firefox hogs the CPU too (I tried the CPU hogging tips but none was the solution to this), but the memory usage is the issue because the CPU would not be hogged if less data was being moved or cached.
I accept some slowness on an old 1.2GHz 512MB PC but the facebook issue is much worse than other sites.

Dheart wrote:
signor_rossi wrote:
schivmeister wrote:this is a flash issue
Of course it is, but there isn't much we can do about it, isn't it? Therefore I suggested firefox3, to alleviate things a little (it does it for me). Flash doesn't even work at all for me in Opera, I only get a grey window where the video should be.
Bye, signor_rossi.
The newest version of flash Plugin only works with Opera 9.5 beta. If you want to use flash with the stable Opera find an older version of the flash plug in.
Thanks for the hint, will keep that in mind in the case I will switch to Opera again (used it for a while because Firefox2 scrolling was bad, with 3 it is much better). Besides, there is a new flash version in the repos.
Bye, signor_rossi.

My MBP mid 2014 is using too much RAM

My MBP mid 2014 is using too much ram on kernel task, and some others what can I do to fix this?

To add to Tim's excellent advice, look at my numbers for my quad-core i7 iMac with 12GB RAM installed:
As you can see, the system has reserved almost all the available RAM but the swaps are zero and the memory pressure is on the bottom of the scale. My computer runs very fast.
RAM handling in OSX changed with OS10.9 and continues in 10.10. The measures you were using only apply to Mac OSX 10.8 and older.
If your swaps move up into the Gig range, you are probably using a bunch of RAM. You cannot upgrade RAM in a 2014 Retina model so it behooves you to avoid third-party utilities like "FreeMemory," keep an eye on Safari extensions, and be frugal with your user login items (System Preferences > Users and Groups > {your account} > Login Items tab).

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Hello,
I have got Apple MacBook Pro 13.3” (ME865LL/A) with OS X Mavericks 10.9.3 and I’ve noticed that my MacBook is using too much RAM. I'm doing nothing, I've got opened only my Google Chrome web browser and my notebook is using about 6,6 GB RAM of 8,0 GB... Have you ever had problem like my? I was reading about Memory Booster - RAM Optimizer. What do you think about that?
Thanks in advance for your help!

I don't use any AV software - if you just keep a watch on what you download and where it's from, you've no need for it, either.
See The Safe Mac -> Mac Malware Guide. There is some malware and adware for Macs, but no viruses (although you can pass them along to your Windows friends!).
Clinton

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I have 15" MacBook Pro, purchased in February, 2013. It has 2.6 Ghz Intel i7 processor, 8 GB RAM and a 750 GB hard drive. The HD is about 25% filled, mostly with photos. It came with Mountain Lion, I upgraded to Mavericks, then to Yosemite. I go back and forth between Safari and Chrome for my browser. (I've heard Chrome uses too much memory, but I've found the opposite to be the case for my computer.) All upgrades went smoothly, no problems. I love using it, EXCEPT...
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Hey danfrompeoria,
Thanks for the question. If I understand correctly, you are using a lot of memory. I would recommend that you read this article, it may be able to help you isolate or resolve the issue.
OS X Yosemite: If your Mac runs slowly
Thanks for using Apple Support Communities.
Have a great day,
Mario

FF using too much RAM and getting slow

FF is using too much RAM
After I start FF, like 5 minutes later, it's using like 1gb of ram, and if i dont restart it, i grows to 3gb~4gb of RAM used

the article above didn't help
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I have tried to analize better what happens. In the dashboard I only have a calendar, a calculator, a clock and one postit (but there is nothing writen on it). If I use something in the dashboard, for example, the calculator, and I do some multiplications, after a couple of minutes the use of memory of the dashboard starts to increase. I closed any other program and in some minutes I have sen how it increased until I stopped the process when it was using more than 2GB! (you can see it in the picture). It's very strange! (Thank you very much for your help!)

Firefox uses too much memory

I've been using Firefox as the default browser on my systems (both Windows and Linux and in 32 or 64 editions) and for some reason Firefox consumes too much memory. Now trust me. I have a very fast machine and so I get very frustrated with this issue as it seems to be a Firefox only issue. Its true that I might have up to 40 tabs open at times but Chrome can handle it Safari can handle it and even Explorer can handle it. Sometimes Firefox's memory consumption peaks to an astonish 3GB of memory which is unheard of. My machine is so fast that I can have up to 10 programs open (Maya, Photoshop, Cinema 4d, Autodesk Suites MySql server and PHP5, MS Office) and still be able to work with them all at the same time, but Firefox crashes suddenly and that is very annoying as I've customized it to my needs adding extensions and making sure all my online baking is done using Firefox. This memory issue is far more noticeable when I'm using Windows 7 64 bits. The same amount of tabs and extensions opened on Linux have no effect on memory and I often switch to Linux just to be able to enjoy a smooth Firefox browsing experience. I've invested so much money into building an amazing machine and it takes 10 minutes of having Firefox running to crash it all completely. I've lost track of the amount of times I've lost my profile and had to rebuild all my customizations but I can stand that. What is beyond my comprehension is the fact that when I'm using Windows XP or Linux the memory used by Firefox is far lower than when I'm using Windows 7 or 8.1 .
Can you help me out? I really love Firefox and would like to keep using it as my default browser but can't afford losing my profile info every time Firefox crashes or having Windows Explorer crashing and losing all the work I'm doing on other software programs.
Much appreciated;
Sam

Are there any tabs reopened from the previous session when this happens?
Do you keep a large history?
You can check for problems with the places.sqlite database file in the Firefox Profile Folder.
*http://kb.mozillazine.org/Bookmarks_history_and_toolbar_buttons_not_working_-_Firefox
*https://support.mozilla.org/kb/Bookmarks+not+saved#w_fix-the-bookmarks-file
You can try to check and repair the places database with this extension:
*https://addons.mozilla.org/firefox/addon/places-maintenance/
Try to create a new profile as a test to check if your current profile is causing the problems.
See "Creating a profile":
*https://support.mozilla.org/kb/profile-manager-create-and-remove-firefox-profiles
*http://kb.mozillazine.org/Standard_diagnostic_-_Firefox#Profile_issues
There may be extensions and plugins installed by default in a new profile, so check that in "Tools > Add-ons > Extensions & Plugins" in case there are still problems.
If the new profile works then you can transfer some files from the old profile to that new profile, but be careful not to copy corrupted files.
See:
*http://kb.mozillazine.org/Transferring_data_to_a_new_profile_-_Firefox
You can also try to reset Firefox:
*https://support.mozilla.org/kb/Basic+Troubleshooting

I cannot watch Flash vids because Firefox uses too much CPU.

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I've tried disabling or changing the values of plugins. Installing older versions. Nothing helps. It just sucks. It makes me want to pull someone's lungs out.

Everyone has this problem, since Firefox rigged one of its Plug-ins (something to do with crash reports) about 06 months ago, to max out CPU, thereby sabotaging computer performance (including Flash videos).
Why or how they haven't fixed it before now strains belief. I have seen the same complaint everywhere. It is a major fuck-up. People want to abandon Firefox in droves, except that none of the other browsers have decent add-ons like pop-up blocker.
Sort it out, Firefox.

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Plz show some methods to prevent them and why it is happening.?
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2) windows shows me some low disk error sometimes.
plz help me out here i am stuck here for week.
thanks & regards

Post your VI if you are allowed, we cannot help you without that info...
If you are a beginner in LabVIEW, it will not take 1 day to gain some level. LabVIEW is a full featured programming language, it is very easy to program it wrong. I suggest you to start learn it using the online resources. You have an active LabVIEW licence? If so, you can access the "self-paced online training" via menu point "MyNI", see top of this website just next to your name (you need to connect your account to your licence in order to use the online training). Another option could be to pay for a virtual classroom course, get more info here: http://sine.ni.com/tacs/app/overview/p/ap/of/lang/en/pg/1/sn/n5nline,n24:12725/id/1582/ I did this a few years ago (Core 1 and 2.) and the tutor from NI was very professional, and it was also comfortable since you attend the class via internet from yoour home or workplace.

Firefox uses too much memory, gets bloated, and won't respond.

For the past several versions of FF....I have posted here about it's 'behavior' under OS X.
The browser uses too much memory. After a short period of time, it becomes 'bloated', slow to respond, and requiring a 'force quit' to get out of it.
Being as I've posted about this before, for a previous version, and only received feedback from other Mac users experiencing the same thing, and not getting answers or help...I've stopped using it once more. It was a one day trial, and I didn't make it past 6 hours of use.
Welcome back, Safari!!!

For the past several versions of FF....I have posted here about it's 'behavior' under OS X.
The browser uses too much memory. After a short period of time, it becomes 'bloated', slow to respond, and requiring a 'force quit' to get out of it.
Being as I've posted about this before, for a previous version, and only received feedback from other Mac users experiencing the same thing, and not getting answers or help...I've stopped using it once more. It was a one day trial, and I didn't make it past 6 hours of use.
Welcome back, Safari!!!

Firefox uses too much CPU ff3.6.3 any HELP?

Firefox uses way too much CPU. Running MAC OSX and ff 3.6.3 using "activity monitor" shows Firefox uses typically 96% of my CPU !!
== This happened ==
Every time Firefox opened
== I noticed my computer was getting s- l -o w- e -r

Hello Kr.
This kind of issues are, unfortunately, more common and the we'd like. Thankfully, 99% of the cases are very easy to solve. However, you do need to diagnose what your exact problem is. Do this:
#run Firefox in [http://support.mozilla.com/en-US/kb/Safe+Mode safe-mode] to disable all extensions, themes and plugins. If this fixes your issues, be them with RAM or CPU usage, then you know it's a problem with plugins, themes or extensions. Proceed to number 2. If safe-mode doesn't fix the issues, then read bellow, after this list;
#update all extensions, themes and plugins in your Firefox. If this doesn't solve the issues, proceed to the following number;
#disable all extensions, themes and plugins in your Firefox (not running safe-mode). Being certain that, as in safe-mode, the problems you're having have gone away, enable one plugin at a time. You should be certain that you WANT that plugin to be enabled, so keep your overall number of plugins as low as possible. When you encounter the problems, you know you've found a problematic plugin, so disable it for good. Keep enabling all plugins (except problematic ones) until you've gone through them all.
#enable one extension at a time. Again, be certain that you WANT that extension to be enabled, so keep your overall number of extensions as low as possible. Also, try the theme you want to have installed so see if that is what's causing the problem. When you encounter the problems, you know you've found a problematic extension/theme, so disable it for good. Keep enabling all your extensions (except problematic ones) until you've gone through them all;
#you're done! You've fixed your problems with problematic add-ons. If you want to keep using those problematic add-ons, please contant their author for support.
Ok, if disabling all extensions and plugins through safe-mode didn't work to bring Firefox's CPU and RAM usage to good levels, then you have different issue. The most likely scenario is that you have a third party software running on your computer that is messing with Firefox. Do as follows:
#try reinstalling Firefox. No data will be lost. You can get the latest version for free at [http://www.getfirefox.com/ getfirefox.com]. If that doesn't fix the problem, proceed;
#do a virus/malware check on your computer. If this doesn't fix it, proceed;
#disable all software running in the background that you don't want to have running in the background (in windows, this is done by pressing WINDOWS+R in your keyboard, typing "msconfig" (without the commas) and pressing enter. Now, under the "Startup" tab, you can uncheck the software you don't want, and reboot your system for changes to take effect. If you're unsure of what software you want running, ask someone with more experience). If this doesn't fix your issues with Firefox, proceed;
#check your firewall/antivirus/security suite for enabled functions/features that you don't want and/or may be conflicting with Firefox. You'll find that these features are most likely tied to Internet Security features, such as link scanners or URL checkers and the like. If you're not sure they are conflicting with Firefox, simply try to disable them to see whether or not that's true. As long as you don't browse the web with your antivirus completely off and your firewall completely turned off, there should be no problems. If this doesn't solve the issues, proceed to the following number;
#check your operating system security options, mainly advanced options that are not configured by default. While it's very unlikely that this may be the cause of the problem (after all, it's the last item on the list), it's remotely possible. If this doesn't work, proceed to the following point;
#update your modem/router software. There have been some reports that some modem/router software may cause Firefox and other browsers to loose performance and/or stability. If updating doesn't fix your issue, try other versions of the software, if possible. If you need support with this, contact your modem/router manufacturer. If this doesn't help, proceed;
#clean up your OS registry, using appropriate software. Make sure you've followed my instructions correctly, but if this all doesn't work, [http://support.mozilla.com/en-US/kb/Managing+profiles create a new Firefox profile] (this can be temporary, of course) and see if the issues persist. Report here the results, so we can't help you further.

Firefox uses too much ram

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