But if you have a smallish solid-state drive (SSD) the catalog bloat may require you to use another storage device for your Lightroom catalogs. If you have images scattered across multiple storage devices that you have to retrieve periodically, this may come in quite handy. SPs for 9,410 files took 7.17GB of disk space (in contrast, the minimal previews for 20,847 files took only about 5.2GB). Since they're regular DNG files, you can even open them in Photoshop, which is nice, though the folder structure is annoyingly discrete, creating a separate folder for each file. The Smart Preview files reside in a separate catalog that lives in the same folder as the main LR catalogs. You can also export from the Smart Preview. When a drive is disconnected, you can work on these proxies when you reconnect the drive, the application automatically syncs the changes. By using the new Has Smart Preview metadata flag I quickly built a Smart Collection of images without proxies with the final software it took just under 26 minutes to generate about 1,400 Smart Previews, far slower than the 45 minutes to generate the SPs for a little more than 6,000 images with the beta. You generate them via a globally applied check box on import, select to generate them individually on already-imported files, or set a global preference for it. Called Smart Previews, LR5 can selectively or automatically generate roughly 2,560x1,596-pixel (size depends on original aspect ratio), 1.5MB (or smaller) versions of images that it stores in its lossy DNG format. Lightroom plays catch-up with Phase One, adding the really useful proxy editing Smart Preview feature for working with images stored on disconnected drives. Overall, however, working in the application feels zippy enough on a reasonably powerful system. (Please, Adobe, the import pane could use a date-sort option.) The pause when switching between modules as it loads the full image also remains. Import in place doesn't copy files, so this is mostly CPU performance with some file reading that might bog it down a little. Oddly, it took about 4.5 minutes to import in place 11,850 files for the beta but about 13 minutes to do so for 6,568 files, 133GB, with the final version (on a 2.2GHz Core i7 system with 8GB RAM equipped with a 2GB Nvidia Quadro 2000M and running 64-bit Windows 7, from an external drive connected via USB 3). This is something you'll probably want to leave for overnight.Īs far as I can tell, performance hasn't improved in fact, it seems a little slower on my system. I gave up timing the import at 40 minutes, when the progress bar indicated it was about 10 percent of the way through. Upgrading from LR4 entails importing your old catalog file(s) LR5 offers to back up the old version, and the import parses the file to add the new searchable metadata fields added in LR5.
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