Firefox 12.0 fresh install uses 919 MB of memory within 5 minutes.
Firefox started to take up too much memory since a month back. Just recently I installed version 12.0 and it still uses crazy amount of memory.
Much appreciated if you can share any fixes or solution for this issue.
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Perform the suggestions mentioned in the following articles:
- Firefox uses too much memory or CPU resources - How to fix
- http://kb.mozillazine.org/Reducing_memory_usage_-_Firefox
- Firefox uses too much memory or CPU resources - How to fix
- http://kb.mozillazine.org/Firefox_CPU_usage
Check and tell if its working.
Checked those articles and they're not helping. Do take a look at the screencast. Disabled most of the plugins and all extensions. No extra theme either.
Just opening up Firefox alone and leave it for 5 minutes will still take 900 MB.
If you use about:memory you will see exactly what is using the memory, and have buttons to reduce memory use. To do that all you need do is type about:memory into the location bar and hit return.
If you open Firefox in safe mode on a blank tab it will probably not use anything like 900MB try it and see what happens. Then try more normal use a step at a time and compare the results.
Create a new profile as a test to check if your current profile is causing the problems.
See "Basic Troubleshooting: Make a new profile":
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: