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Multiple processes running when they shouldn't be!

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I am tight for memory on my PC and have Firefox running a single process. I have made changes to the config (dom.ipc.processCount and remote.autostart), I have the content process limit set to one in the options and have the 'prevent accesibility services' box checked.

Yesterday 1 process, today 4 processes and my PC is currently using 99% of it's avaible CPU and memory - does anyone have any ideas why, and a fix for it?

Thanks

I am tight for memory on my PC and have Firefox running a single process. I have made changes to the config (dom.ipc.processCount and remote.autostart), I have the content process limit set to one in the options and have the 'prevent accesibility services' box checked. Yesterday 1 process, today 4 processes and my PC is currently using 99% of it's avaible CPU and memory - does anyone have any ideas why, and a fix for it? Thanks
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Additional System Details

Installed Plug-ins

  • Shockwave Flash 32.0 r0

Application

  • User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:68.0) Gecko/20100101 Firefox/68.0

More Information

My_Cheese_Is_Slippin'
  • Top 10 Contributor
85 solutions 885 answers

Hi Countbelisarius, Actually, 4-6 processes running is normal for Firefox at startup. Firefox has a built-in Safe Mode: Troubleshoot Firefox issues using Safe Mode to help determine why you are using so much memory and CPU.

Hi Countbelisarius, Actually, 4-6 processes running is normal for Firefox at startup. Firefox has a built-in Safe Mode: [https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode Troubleshoot Firefox issues using Safe Mode] to help determine why you are using so much memory and CPU.
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Question owner

It is m6 understanding that setting processcount to 1 overrides this. But the essence of question is what changed overnight for Firefox to run multiple recesses and override the pricesscount value. Is there something else I need to change?

It is m6 understanding that setting processcount to 1 overrides this. But the essence of question is what changed overnight for Firefox to run multiple recesses and override the pricesscount value. Is there something else I need to change?
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jscher2000
  • Top 10 Contributor
8773 solutions 71719 answers

Firefox 68 doesn't have the option from Firefox 48-67 to disable multiprocess -- if they still appear in about:config they are ignored now.

I think the minimum number of processes in multiprocess Firefox is 2-4 processes (when you have reduced content processes to 1, see: Firefox's performance settings).

Firefox 68 doesn't have the option from Firefox 48-67 to disable multiprocess -- if they still appear in about:config they are ignored now. I think the minimum number of processes in multiprocess Firefox is 2-4 processes (when you have reduced content processes to 1, see: [[Firefox's performance settings]]).
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My_Cheese_Is_Slippin'
  • Top 10 Contributor
85 solutions 885 answers

Here's an article on ghacks which might help: Multi-Process Firefox: everything you need to know

Can you expand memory in paging file or ready boost?

Here's an article on ghacks which might help: [https://www.ghacks.net/2016/07/22/multi-process-firefox/ Multi-Process Firefox: everything you need to know] Can you expand memory in paging file or ready boost?
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McCoy
  • Top 10 Contributor
545 solutions 5141 answers

Hello Countbelisarius,

You can no longer disable e10s on the "about:config" page, but you can set an environment variable:

MOZ_FORCE_DISABLE_E10S - 1

In this thread (you'll have to scroll down) is explained how :

http://custombuttons.sourceforge.net/forum/viewtopic.php?t=44997&p=95499

Hello Countbelisarius, You can no longer disable e10s on the "about:config" page, but you can set an environment variable: MOZ_FORCE_DISABLE_E10S - 1 In this thread (you'll have to scroll down) is explained how : http://custombuttons.sourceforge.net/forum/viewtopic.php?t=44997&p=95499
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