iM 4,1-14,4 Grinding to a halt

[spacebiscuit]

I have a mid-2011 27" iMac with 8gm RAM, I used opencore to install Monterey around a year ago on a 500gb SSD. All has been working fine but the last few weeks performance is becoming so sluggish that it is almost unusable.

I notice it when I am using Chrome, with several tabs open I keep getting a spinning wheel when I click between tabs and my fans start to spin up and go crazy (I am using SSD Fan Control).

Quite often on the taskbar of Chome I see "waiting for cache", I've tried clearing the cache and what's more I have cache disabled on the network tab when I open "insepct".

My machine relatively clean, I use it for developing on so I am using VSCode, Chrome and my terminal - and that's about it. After an hour or so the machine is just in a real hot mess and every click takes an eternity. If I close Chrome thing clam down, I then open Safari and all seems ok.

My Chrome version is 118.0.5993.88 x86_64

Any ideas, tips or pointers, happy to run any speed tests if that would help?

Thanks in advance.

 

[Bigwaff]

I notice it when I am using Chrome, with several tabs open I keep getting a spinning wheel when I click between tabs and my fans start to spin up and go crazy (I am using SSD Fan Control).

Classic memory leak behavior. Do you have any custom extensions installed in Chrome?

 

[spacebiscuit]

I have 6 extensions installed, I've disabled them all and things seem much better. I'll re-enable one at a time to trying and identify the culprit!

Many thnaks!

 

[DCBassman]

Use Chrome = good idea to max out your RAM. That will go to 32GB, so plenty of scope for improvement.