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Helpful answers
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Oct 19, 2014 2:34 PM in response to Todd Getzby Eric Root,Activity Monitor is the same in Yosemite.
Activity Monitor in Mavericks has significant changes
Why your Mac runs slower than it should
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Oct 19, 2014 6:51 PM in response to Eric Rootby shpankey,having same issue. after upgrade, everything is much, MUCH, slower. ugh.
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Oct 19, 2014 7:26 PM in response to shpankeyby shpankey,forgot to mention, mid 2011 iMac. 16gb ram, OWC Mercury Accelsior Extreme SSD hard drive (via thunderbolt [it's super fast, trust me]).
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Oct 20, 2014 4:04 AM in response to Todd Getzby snig27,I'm having exactly the same issues. Mine's a late 2012 15" with 8gb ram and 2.6 L7 processor. I've tried everything and Yosemite is a dog. If I reboot it goes well for 10mins or so then slows and slows until it's unusable.
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Oct 20, 2014 5:17 AM in response to Stekorby CakemanPA,So far so good on the transparency setting change
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Oct 20, 2014 7:57 AM in response to CakemanPAby Road Hog,Unfortunately the transparency settings did not solve my only issue, OS X Yosemite takes a long time to load up on a MacPro 2010, 4GB memory, 5400 RPM hard drive which is not fragmented and has 120GB of free space.
Of note, the Apple startup screens grey. The bar under the apple logo moves very slowly until it reaches just under the apple logo which is about 1/2 through the progress bar. Then the progress bar speeds up and completes the last 1/2 of the loading very quickly.
I'm starting to suspect the issue might be solved by more RAM based on what I see in the activity monitor's memory stats but other people with 8GB seem to have a slow load up time too.
Hmmmm. I might try a reinstall.
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Oct 20, 2014 8:04 AM in response to Road Hogby ShadowDancer1000,Yosemite will run like a bit of a pig on machines that:
(A) Still use the Toshiba 5400RPM HDDs. No way around this. At this point one must upgrade to SDD. I recommend the MX100 or Samsung 840EVO.
(B) Have 4GB of RAM. Again, time to upgrade to 8GB. All the transparency and additional processing happening in the background put pressure on the system resources.
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Oct 20, 2014 8:08 AM in response to Road Hogby ShadowDancer1000,In so much as loading time, no, RAM will not improve this.
You need a faster hard drive. Quality 250GB SSDs are only $120-140 at the moment. Less if you can find a sale.
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Oct 20, 2014 8:16 AM in response to Road Hogby CakemanPA,After more playing with the compute, transparency settings helped a bit but didn't solve the issue. And I am not buying a new hard drive for this computer. I'll go back to Maverick first.
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Oct 20, 2014 8:17 AM in response to Road Hogby Road Hog,BTW here is the load time of Yosemite on my macbook pro 2011, 5400 RPM drive with about 120 gigs free and not fragmented, 4GB RAM.
1 minute and four seconds.
Once loaded everything is as snappy as OS X 10.9 even with transparency active.
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Oct 20, 2014 8:19 AM in response to CakemanPAby Road Hog,I'll be buying a new hard drive or SSD if it will fit in the machine along with more RAM (hopefully 16GB) as well as a new battery (it needs it). For me it is cheaper than buying a new system.
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Oct 20, 2014 9:30 AM in response to Road Hogby ShadowDancer1000,Road Hog, be careful.
Depending on your system, the max amount of RAM it can 'read' may only be 8GB.
The SSD should be able to fit into any system short of Macbook Air, in which case you would already have an SSD.
Trust me, an SSD alone is going to make your system feel like it was hit with a 100 shot of Nitrous. I dumped the Toshiba drive (why Apple used such a slow spinning platter vs. 7500/10000 I'll never get) in 2012 when SSD drive prices got a little more rational. I still paid a premium but haven't regretted it since, and this year upgraded to a larger capacity SSD with nearly DOUBLE the speed of my former SSD and it costs $50 less than what I paid 2 years ago.
The performance leap will make you slap your hand to your head and wonder why you didn't do it sooner as well as question if you need a new machine for another 2/3 years.
Unless there's some groundbreaking shift in technology before 2016, I certainly won't.
BTW - My system load time from a cold boot using a 256GB Crucial MX100 SSD is in the 20-25 second range including the few seconds it takes me to input my password. I could shave 2 seconds off that time had I bought the Samsung 840EVO, maybe another second with the 840PRO, and probably another 2 seconds with the 850 ... when the 850PRO is released, probably down another 2 seconds. The PRO version have marginally faster Read speeds, but much faster Write speeds.
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Oct 20, 2014 9:31 AM in response to ShadowDancer1000by Road Hog,You are correct. My system max's out at being able to access 8GB of RAM. I checked Apple's upgrade guides & Otherworld Computing and noticed this too.
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Oct 20, 2014 9:57 AM in response to Road Hogby shpankey,PRAM and SMC reset did the trick for me on my iMac.
