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Slow loading project on iMac and fast loading on Macbook

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Artem Ibatullin
Slow loading project on iMac and fast loading on Macbook
on Apr 9, 2019 at 9:17:19 am

I edit big documentary project in ppro. It consists of 3TB (26 hours) source from different cameras on a disk Lacie 4TB.

I work on imac and macbook. For some reason, sometimes my project opens very quickly on a macbook and too long on the imac (it can take an hour and a half).
But sometimes, after I waited for loading and worked on the imac, then I return to the macbook, open the project there, and it loads just as long. So if I don't return to the computer and work only on a macbook, the project opens without delay.
I just can't understand why this is happening on my iMac? Is there a mistake here or it's normal?

Please help
-

I keep the project on an external disk.
Of course I made DNxHD proxy files.
Media Cash Files and Database locations are set the same for both: Users/Library/Application Support/Adobe/Common/

iMac 2017
3.6 GHz Intel Core i7
16GB 2400 MHz DDR4
Radeon Pro 555 2048 MB

Macbook mid 2014
2.2 GHz Intel Core i7
16GB 1600 MHz DDR3
Intel Iris Pro 1536 MB


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John Pale
Re: Slow loading project on iMac and fast loading on Macbook
on Apr 9, 2019 at 6:35:30 pm

Media Cache may be corrupt on the iMac.
You can delete it. It will rebuild automatically...though initially, it will take a long time. Maybe do it overnight. Should open fairly quickly after that.

If its still slow, then the problem lies elsewhere.

Does the MacBook have an SSD and the iMac a spinning drive?


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Artem Ibatullin
Re: Slow loading project on iMac and fast loading on Macbook
on Apr 9, 2019 at 7:31:32 pm

Yep, I already did a test:
I deleted all media cache from imac and completely restored them on the external hard drive. After that, imac is still incredibly long loaded, and macbook handled it in a few minutes.
So strange.

Both have SSD 256gb. And it seems that everything was the same on both machines.
Where else could the problem be?


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John Pale
Re: Slow loading project on iMac and fast loading on Macbook
on Apr 9, 2019 at 10:42:40 pm

Test the drive speed on on the iMac. Blackmagic and AJA have free tools to do this.
An SSD in need of a TRIM operation will perform very slowly.


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