The crazy thing I did to fix Yosemite performance

[Jeff Singleton]

Hi Gustavo,

Yes, please do not read too much into my post. I should have stated this 
may not affect everyone. However, just in case, and to make things a bit 
easier...I will provide an alternative method, that achieves the same 
results.

Keep in mind, that my convoluted method was because I tinkered with 
files I shouldn't have and made my Mac not boot. That was on me.

Time Machine is probably the most secure method, and guarantee of 
restoring things to a date and time of your choice. However, if you get 
into a bind, where time machine is not an option, then below are some 
easier steps.

FIRST

If you have not already started the upgrade. What I would do is first 
find an 8GB USB stick to make a bootable installer of Mavericks.

Here is Apple's method: http://support.apple.com/en-us/HT5856

Here is an article from TechRepublic that may be easier to follow: 
http://www.techrepublic.com/blog/apple-in-the-enterprise/how-to-create-a-bootable-usb-to-install-os-x-mavericks/

This will save you a lot of heartache just knowing you can reinstall OS 
X without much effort.

SECOND

Using this application (my favorite, the little raincoat icon): 
http://www.macupdate.com/app/mac/17007/ibackup

You can backup anything and everything or just your user folder. This 
application basically does exactly what I did on the command line, but 
gives you a GUI.

When you restore from your backup with iBackup it will not overwrite 
anything deemed critical to your system, and if you just restore your 
home folder which would include your user Library folder, all you have 
to do is download and install the applications you had, and you will be 
back in business.

I hope this will help...I also hope you never need to go through this, 
but its better knowing you have a plan.

Jeff


On 11/4/14 8:11 AM, Gustavo Seabra wrote:
> That’s reassuring, thanks!
> Gustavo Seabra
>
>
>
> Em 04/11/2014, à(s) 08:28, Dominik Reichardt <domiman at gmail.com> escreveu:
>
>> Just run the installer. After the installation ran through you only need to fix MacPorts (migration guide).
>> Don't worry about edge cases and you don't necessarily need to do a "clean" install if you have no problems.
>>
>> Dom
>>
>>
>> Am 04.11.2014 um 12:08 schrieb Gustavo Seabra <gustavo.seabra at gmail.com>:
>>
>>> Hi all,
>>>
>>> I've been following this thread with great interest, and have learned a lot here!
>>>
>>> However, I noticed that the whole process of installing Yosemite seems a bit convoluted, maybe even scary,  for someone who is not as versed in the peculiarities of MacOS / BSD.
>>>
>>> So, how would you advice a person who has Mavericks installed with everything in its default location and who has just basic knowledge of the system to go about the upgrade to Yosemite?
>>>
>>> Thanks a lot!
>>> Gustavo Seabra.
>>>
>>> Em 02/11/2014 15:07, "Jeff Singleton" <gvibe06 at gmail.com> escreveu:
>>> Hi,
>>>
>>> So after much frustration, much stress, and of course, I broke my Mac in the process. Backed up my user folder from single-user mode (since my mac would not boot all the way). Then I wiped and reinstalled Mavericks, upgraded to Yosemite, and then restored my user folder.
>>>
>>> Back story: In an attempt to figure out why the services mds and mdworker were running away with my CPU. Nothing I did resolved this, including putting every single folder except /Applications in the exception list for Spotlight. This is where I started editing LaunchDaemons and LaunchAgents and where breakage occurred.
>>>
>>> So...
>>>
>>> This literally resolved all of the performance issues I saw reported from many others besides myself about the performance of Yosemite via the standard upgrade path.
>>>
>>> On to MacPorts...
>>>
>>> - Broken link checks
>>> - Binary database updates
>>>
>>> Both go within seconds, except for the binary database initial creation, which took a couple of minutes. After which, everything is running like new.
>>>
>>> I know it is and was a pain in the rear to have to do all of this, but if there is one thing Apple has done correct it is that restoring a backed up user folder to a fresh install, puts all configurations, accounts, and other customizations right back to where they were with no hassle.
>>>
>>> I hope this gives some insight on a sure fire way of resolving Yosemite performance issues.
>>>
>>> Good Luck,
>>> Jeff
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