Mozilla to crack down on add-ons that slow down Firefox

Re:Mozilla to crack down on add-ons that slow down Firefox by pbz on Saturday April 02, 2011 @04:13PM (#2400831)

Firebug is well worth it, in my opinion. I installed FF4 recently and was happy to notice that Firebug was a lot faster. Unfortunately, either FF4 or Firebug is leaking memory like crazy. I'm talking 800MB in 20 minutes with only two tabs open debugging a simple local application. I had to go back to FF3.6. Hopefully they'll fix that soon.

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Re:Mozilla to crack down on add-ons that slow down Firefox by pcwalton on Saturday April 02, 2011 @04:41PM (#2400899)

Mozilla developer here - If you have steps to reproduce, I'd love to hear them and I'll get them forwarded to the proper people.

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Re:Mozilla to crack down on add-ons that slow down Firefox by pbz on Saturday April 02, 2011 @05:05PM (#2400944)

Well, I can tell you that I only had the latest FF4 and Firebug installed (this was 3 days ago). No other add-ons were installed.

The only other change was to disable the video acceleration because I was getting some weird flashes on page reloads. My home page (Google.com) was flashing for a few milliseconds while reloading my local app. From what I remember, disabling the hardware acceleration fixed that issue.

Other than this it was basically make changes to my local site, hit refresh in FF, make changes, refresh again, and so on. Nothing special about this site, basic HTML / CSS / Javascript (jQuery), no Flash. You could see the memory steadily go up in the Task Manager.

The only reason I even noticed it was because the whole system was slowing down. I only have 3GB of RAM (Windows 7 64 bit), but I never noticed any memory pressures before. I could "feel" Windows paging the memory to disk which was slowing down everything on the box.

Good luck, and let me know if there's something else I could do to help.

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Re:Mozilla to crack down on add-ons that slow down Firefox by ronnoch on Saturday April 02, 2011 @04:35PM (#2400889)

The memory problem is pretty serious. I've been using the Memory Restart addon (https://addons.mozilla.org/en-us/firefox/addon/memory-restar...), which shows memory use in the bottom corner and lets you click to restart when it goes over a certain amount.

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Re:Mozilla to crack down on add-ons that slow down Firefox by planckscnst on Saturday April 02, 2011 @08:53PM (#2401420)

Wow. I leave FF open for weeks with many tabs on a netbook with 1GB of memory.

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Re:Mozilla to crack down on add-ons that slow down Firefox by coolgeek on Sunday April 03, 2011 @12:21AM (#2401798)

hmmm... I have to reboot daily - sometimes more than once a day - on an ASUS Eee 1GB running XP

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Re:Mozilla to crack down on add-ons that slow down Firefox by maxxxxx on Saturday April 02, 2011 @06:51PM (#2401197)

If I leave Firefox open during the day the memory goes up to 1.2 GB. The performance slows down at about 800BM memory. I have 8 GB so it's not a big deal but it still seems an awful lot of memory.

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