Firefox takes up 2.6 million RAM after just an hour...

Hi,
I've had a problem for about a year now where Firefox takes up too much physical memory. Recently it's been getting so bad that my RAM (6GB) usage is at 95% or higher and the freezing and lagging from Firefox gets so bad that I can't even close the program properly...
I heard recent news that an add-on extension I had was to blame for this, and now that I've gotten rid of it, it should be better, right? Well, it isn't; and I even looked at my about:memory.
As it turns out: vsize, resident, private, and heap-mapped are taking up over 1000MB each.
Any way I can reduce this?
notes: I've already tried "Minimize memory usage". the browser crashed for ten minutes to do this and it went down by about 200k, but it was momentary. It's still building memory.

PS: I tried uploading a picture, but big surprise, it didn't show.
Here's the section from my about:memory scan a few hours ago.
http://i.gyazo.com/82f9f0bf37772a8c4e886b990b9595bd.png

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Firefox taking up to 3 GB ram after a few hours

Long story short, Firefox RAM usage gets really high after a few hours causing it to not display pages correctly (e.g. Google turns out all black at 3GB usage)
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I did not have this problem before. I moved everything from the Mozilla folder in C:/users/USERNAME/appdata/roaming to a new pc (cause Firefox Sync is shit and doesn't even host EVERYTHING in its cloud), updated to 29.0.1 and it started to get these problems. All i can do is to close it down, wait a few minutes (cause the firefox process also runs hours after i closed the actual window; I have to shut it down manually with taskmanager) and restart it again just to repeat it every 1-2 hours.
I always love mozilla on PC (even though it's bad on Android) and am really disappointed.
The ram usage currently is more than Final Fantasy XIV on maxed out settings (firefox.exe 322.752 K, ffxiv.exe 300.000 K)
Fix this please, otherwise I am forced to switch to another browser.

Even though this has indeed run down the ram usage, the problem didn't exist before the update. I saw a video wrapping up the adblock-firefox problem:
The uploader navigated to this page: http://vimcolorschemetest.googlecode.com/svn/html/index-html.html
Basically displays 300 i-frames, and the ram usage was at 300.000 K
After installing Adblock Edge (EasyList Germany), the ram usage skyrocketed to 1,2 gb in a few seconds.
Thing is, adblock basically loads the easy list to check for adverts 301 times, causing ram to be this high
According to this blog (https://adblockplus.org/blog/on-the-adblock-plus-memory-consumption), the devs claim to have given the addon a global rule, which brings us back to Firefox 29.0.1
I honestly think firefox has a problem there
And for those who are interested, this is the video i was talking about:
https://www.youtube.com/watch?v=c4ifjQfPP8Y

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firefox take's a lot of ram !! why and how can i fix it ?

Okk dnt remv history bt othr should be remov !! This is beczz catch memory doesnt let FF to work well so u have to do !! N if u wont remov these junk files from any browsers you using , one day they will get struck ....

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Older Firefox takes up quite a few disk space after auto update.

After several auto updates, <Firefox install directory>/updated/ directory takes up a few hundreds MB of disk space. I would like to be able to safely delete it (after quite some time with the newly installed version).

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Firefox takes a long time to close since a recent update and hogs memory.

Since one of the recent updates that started using plugin containers, Firefox takes a long time to close. If I try to go back it, it tells me it is still running. I liik in Task Manager and about seven plug-in container. exe's are running and I have turned off or disabled mostplugins and addons, even Quicktime. Firefox uses an obscene amount of RAM on my XP machine and has made it sluggish. I use XP SP3. This started after you added the plugin containers in one of the recent updates earlier in the year. For the features it offers me or doesn't offer me, rather, it uses way too much RAM and is too sluggish. And takes a very long time to close out when I close the browser. It uses about twice as much RAM as it used to.

Use "Firefox/File > Exit" (Mac: "Firefox > Quit"; Linux: "File > Quit") to close Firefox if you are currently doing that by clicking the close X on the title bar.
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*Don't make any changes on the Safe mode start window.
*https://support.mozilla.org/kb/Safe+Mode
*https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes
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== This happened ==
Every time Firefox opened
== installing updates for extensions or plug-ins or while running java updates

Hello Chaitanya.
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 safe-mode to disable all extensions and plugins. If this fixes your issues, be them with RAM or CPU usage, then you know it's a problem with plugins or extensions. Proceed to number 2. If safe-mode doesn't fix the issues, then read bellow, after this list;
#update all extensions and plugins in your Firefox. If this doesn't solve the issues, proceed to the following number;
#disable all extensions 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. When you encounter the problems, you know you've found a problematic extension, 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.
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#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;
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#clean up your OS registry, using appropriate software. If this doesn't do it, I'm out of ideas. Except make sure you've followed my instructions correctly.

Firefox takes very long time to open and often crashes for some websites

i have used firefox 3.6 with windows xp, vista and now windows 7. there is same problem i am facing at all after well usage of week. firefox takes very long time to open approx. 1 minute at first click. after refreshing computer when i click again, it becomes ready to use but meanwhile you re working firefox opens in another window perhaps for the first click. what is this please? i have reinstalled firefox but it is not fixing problem
== Troubleshooting information ==
how can firefox be ready for use at first click?

Open Activity Monitor and kill this process - rapportd.
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Reinstalling OS X Without Erasing the Drive
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Firefox takes forever to open/startup. How can I fix this?

I am running Windows XP. All updates are current. IE opens up fast, but Firefox takes forever. Also, it is using way too much memory. Please advise.

A possible cause is security software (firewall) that blocks or restricts Firefox or the plugin-container process without informing you, possibly after detecting changes (update) to the Firefox program.
Remove all rules for Firefox from the permissions list in the firewall and let your firewall ask again for permission to get full unrestricted access to internet for Firefox and the plugin-container process and the updater process.
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*https://support.mozilla.com/kb/Server+not+found
*https://support.mozilla.com/kb/Firewalls
Create a new profile as a test to check if your current profile is causing the problems. 
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*https://support.mozilla.com/kb/Basic+Troubleshooting#w_8-make-a-new-profile
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*http://kb.mozillazine.org/Transferring_data_to_a_new_profile_-_Firefox

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== This happened ==
Every time Firefox opened
== when updated to 3.6

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'''[[Troubleshooting extensions and themes]]'''
'''[[Troubleshooting plugins]]'''
'''[[Basic Troubleshooting]]'''
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Hi,
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perhaps dxdiag.txt needed?
Issue:
when Firefox 3.6 (in the past) or 8.0 (now) remains open, after 6-9 hours I become issues with Flash plugin for FF.
ALL YT videos (240p up to 1080p) playback with jumpiness!! with or without acceleration.
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best regards.

Hi,
Thank you both for your reply!
@Campbell:
the same effects with or without having the flash acceleration enabled.
I dont know if I am enough able to file a bug request.
I have done (hopefully it is right?
I warmly hope that the Adobe Engineers will read and reproduce my issue and they may want to send me an email if the issue will be resolved.
this were wonderfull.
my OS/hardware seems not too old
no problem in watching/editing full HD content.
if you mean that my bug report looks correct and exhaustive, please forward him to the developers.
(I hope that the report will not be closed, even if it becomes poor votes). thanks.
@ ɹəuəllıʍ :
Yes the same problem in Firefox 8.0 too
(in my old FF 3.6: no issues regarding the jumpiness in Silverlight, therefore I think that this was/is perhaps an issue in "Flash player for FF" only: jumpiness after 6-9 hours usage).
But the new FF 8.0 offers the same behaviour after 6-9 hours.
@both Campbell and ɹəuəllıʍ:
here the url:
=>
https://bugbase.adobe.com/index.cfm?event=bug&id=3046928
thank you both
in advance.
kind regards.

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Hi,
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[http://support.mozilla.com/en-US/kb/Uninstalling+add-ons Uninstalling Add-ons]
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Firefox takes up 2.6 million RAM after just an hour...

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