Yosemite gets slower for every hour (with Video)

[fratey]

After upgrading to Yosemite: Performance grows slower every hours after not rebooting. If I don't reboot in about two days, I get roughly this performance.
First scene: Mission Control. Second scene: Zooming in using Accessibility. Doesn't really matter how many or how few programs I have running.
http://youtu.be/VNsquI2EvAY

I could personally feel that spending $3400 on a computer should give me slightly better performance after ten months than a Raspberry Pi after an OS update.

Any real remedy for this, other than "wait for a software update"?

 

[Beavix]

Welcome to the club, now wait for a software update.

 

[simonsi]

Do a fresh, clean install, that sorts many issues out from what people have posted.

If you have done one install then try another, perhaps by a different method, if out of patience then downgrade to Mavericks.

 

[h9826790]

My Mac basically run 24/7 apart from when carrying out some maintenance actions.

After I finish upgrade to Yosemite and recover all the user profiles 11 days ago. I keep it run for something like 5-7 days without reboot. No problem at all. And no slow down observed.

Anyway, do your rMBP has a discrete graphic card?

 

[Weaselboy]

After upgrading to Yosemite: Performance grows slower every hours after not rebooting. If I don't reboot in about two days, I get roughly this performance.

Next time this happens, open Activity Monitor and look in the memory tab then look at the bottom. Is the memory pressure section green? Then look in the CPU tab and sort by CPU%... is anything there chewing up CPU cycles?

 

[emporiky]

Same experience here. After a day and a half it becomes significantly slower.

 

[fratey]

Next time this happens, open Activity Monitor and look in the memory tab then look at the bottom. Is the memory pressure section green? Then look in the CPU tab and sort by CPU%... is anything there chewing up CPU cycles?

No. Happens even with no to few applications running.

My Mac basically run 24/7 apart from when carrying out some maintenance actions.

After I finish upgrade to Yosemite and recover all the user profiles 11 days ago. I keep it run for something like 5-7 days without reboot. No problem at all. And no slow down observed.

Anyway, do your rMBP has a discrete graphic card?

Yes. You could basically look at performance as a staircase: After one day, the integrated chipset becomes unusable. After about two days, even the discrete card becomes slow.

Do a fresh, clean install, that sorts many issues out from what people have posted.

If you have done one install then try another, perhaps by a different method, if out of patience then downgrade to Mavericks.

I suppose this would work – but it feels so odd to spend so much money and having to reinstall every ten months like it's a $400 Dell. But I suppose this is as close as I can get to a solution unless Apple decides to release an update fixing this.

 

[brunosh]

It happens with me as well. I used to just close the macbook lid at night, but now I'm forced to turn it off or i will get very bad performance the next day :/

 

[h9826790]

Yes. You could basically look at performance as a staircase: After one day, the integrated chipset becomes unusable. After about two days, even the discrete card becomes slow.

Any strange thing in the Activity monitor? e.g. Kernel_task or Ruby run at 100% etc.?

 

[fratey]

Any strange thing in the Activity monitor? e.g. Kernel_task or Ruby run at 100% etc.?

CPU is not taxed. I can have 0-5% CPU usage.

Currently after 4 days of uptime (with lots of sleep in between, of course – meaning since the latest hard restart), Mission Control isn't even an animation anymore – it basically freezes for one second and then ends up in Mission Control view. I don't know what Apple is doing, but it isn't nice.

 

[h9826790]

Interesting, may be sleep mode really cause the problem.

My Mac run 24/7, therefore I won't suffer from this.

And I've installed some PCIe card which may screw up from sleep anyway. So can't really test it.

 

[fratey]

Going to try "soft reinstall" (without deleting user applications).

 

[h9826790]

I think it's better to do a clean install and then recover only the user data / applications by migration assistant.

 

[St. Germain]

After upgrading to Yosemite: Performance grows slower every hours after not rebooting. If I don't reboot in about two days, I get roughly this performance.
First scene: Mission Control. Second scene: Zooming in using Accessibility. Doesn't really matter how many or how few programs I have running.
http://youtu.be/VNsquI2EvAY

I could personally feel that spending $3400 on a computer should give me slightly better performance after ten months than a Raspberry Pi after an OS update.

Any real remedy for this, other than "wait for a software update"?

I just unboxed my new 2014 MacBook Pro this week and am seeing this problem as well after I upgraded to Yosemite, my specs:

2014 MBP 2.5 GHz i7
16GB RAM
Intel Iris Pro graphics

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I think it's better to do a clean install and then recover only the user data / applications by migration assistant.

That's what I did when I moved from my old MBP to my new one this week. Clean install, then used Migration Assistant to restore user data/applications. But I'm still having the issue.

Not sure if I want to nuke from orbit and start over.

 

[jhfenton]

Interesting, may be sleep mode really cause the problem.

My Mac run 24/7, therefore I won't suffer from this.

And I've installed some PCIe card which may screw up from sleep anyway. So can't really test it.

Could be. It's a small sample size, but everyone in the thread with issues does have a laptop.

I have two late 2012 Mac minis, a base model i5 and the top model i7, both running Yosemite, and both running constantly without any issues. They both host Plex video servers and get daily use. They never get turned off, and they seldom get rebooted. They also never sleep.