Firefox 51 eat too much RAM
Firefox version : 51.0.1 Add-on installed : uBlock, Quickjava, IDM CC https://s30.postimg.org/q5645rmq9/image.png
Opened at least 8 tabs then firefox took around 700MB+ of RAM. Closed all the tabs but the memory consumption still didn't goes down, it's still at 700MB for no reason. And then firefox slowed down to a crawl, after that it become unusable (freeze / crash). My guess is FF garbage collection not working or not fast enough cleaning off the data / content of closed tabs.
I found out that Chrome which is notorious for sucking off RAM (in old version), is actually much leaner now on RAM usage (Chrome latest version). It also crash much lesser than FF, and faster.
Chrome really improving on something that really matter to end user like me, instead of adding a features which no one cares about. I really wish firefox was like that....
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Start Firefox in Safe Mode {web Link} by holding down the <Shift>
(Mac=Options) key, and then starting Firefox.
A small dialog should appear. Click Start In Safe Mode (not Refresh).
Is the problem still there?
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-hangs-or-not-responding
Try to disable multi-process tabs in Firefox.
You can disable multi-process tabs in Firefox by setting the related prefs to false on the about:config page.
- browser.tabs.remote.autostart = false
- browser.tabs.remote.autostart.2 = false
You can open the about:config page via the location/address bar. You can accept the warning and click "I'll be careful" to continue.