Lightroom: Face Recognition Data across Multiple Catalogs

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  • Updated 1 year ago
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As of a year ago I noticed my main catalog was getting very large and slow to work with. As a result I decided to use yearly catalogs. This did speed things up. However I lost some extremely important database information from my main catalog which was not made available to my new catalog. That information is namely "Face Recognition". IMHO, I think that information should be stored in a somewhat global or relational database that can be accessed by any and all catalogs. Since Adobe does not make this feature available at this time, I have had to resort back to using ONE Master Catalog. Which is now 5.56GB in size and contains over 95,000 photos and is somewhat slow to use. 
I sure wish Adobe would solve this issue.
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SnapSAR

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Posted 1 year ago

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Victoria Bampton - Lightroom Queen, Champion

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What's slow about the catalog? 95k is quite small, as catalogs go, so there may be some ways of making your life easier in the meantime.
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Simon Chen, Principal Computer Scientist

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For face recognition, what you can do is to create a special collection of photos with named faces that you want to carry over from one catalog to another. You can export the collection as your seeding catalog that you can import into your new catalog. Alternatively, you can export the photos (JPEGs are fine) in the collection into a folder (make sure that people keywords are exported). Then afterwards, you can import the photos with the named people keywords from the said folder into your new catalog. Both approach will help you seed the new catalog with the faces that you care about. Hope this helps.
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SnapSAR

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Thank you for your comment.
That is an idea I had thought about trying a year or so ago, when I realized, Face Recognition is not in a global database. I actually started doing so, and found it to consume far too much of my time. So I threw that idea out. That is when I decided to go back to a single catalog, even though it works a bit slower than a smaller catalog. 
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Simon Chen, Principal Computer Scientist

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Ok. You could try to optimize your catalog once a while and purge the develop history settings for old photos.
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SnapSAR

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Thank you Simon. I do consistently optimize the catalog daily during backup process. I will play with deleting history of older images.
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Simon Chen, Principal Computer Scientist

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FYI. In develop module, you can select the photos and do the menu command Develop>Clear History... The most recent develop settings would remain with the photo in the catalog. It only purge the past develop history and steps.
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SnapSAR

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Yes, I am familiar with it. Thank you