Dngallagher wrote:
Lightroom does not make use of a scratch disk, but you might want to keep your catalog and possibly plugins and or presets on your SSD to maximize performance.
http://www.computer-darkroom.com/blog/will-an-ssd-improve-adobe-lightroom-performance/
I recently added a 240 GB Thunderbolt external SSD to my Mac and put Lightroom, Bridge & Photoshop on the SSD. I also moved my catalog for Lightroom to the SSD as well. All my images remain on another spinning hard drive connected via Thunderbolt.
Loading Lightroom & Photoshop was sped up greatly. Any access to the catalog also improved - it is a tad slower to bring in a large image from the spinning disk to edit, but still acceptable.
For me, I did not place my system files on the SSD, my Mac still boots from the SATA internal, but I hardly ever shut my Mac down, just let it go to sleep, so I only placed copies of specific apps on my SSD with links to launch them on my Dock.
Typical launch times:
Lightroom, 600 MB catalog - internal SATA, 20-30 seconds from launch to editing
Lightroom, 600 MB catalog - Lightroom and catalog on SSD, 5-7 seconds from launch to editing.
Lightroom does not make use of a scratch disk, but... (
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Don, do have a fusion drive on your Mac and if so, how is the SSD portion used? Is this decided by the OS, or does the user have some input?