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Why is saving my images taking so long?
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Nov 29, 2022 18:37:16   #
bajadreamer Loc: Baja California Sur
 
CHG_CANON wrote:
Best action is to open a technical support chat with Adobe and ask their opinions, as they can remote in and watch & investigate.


OK. Did contact Adobe. Good customer service, although I was on chat line for 2.5 hours. Never did determine what was causing issue, but by completely resetting Preferences back to default, resolved problem. Files now save in 3-10 seconds as before. I will go back and attempt to reset all my Preferences back to what I had and see what happens. Biggest issue is all my Actions disappeared. I have no doubt they are still there (Adobe PS 2023 Settings-old) but with my limited computer skills may be a challenge to find and restore. But, there is always time. Thank you for your thoughts.

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Nov 29, 2022 19:45:03   #
CHG_CANON Loc: the Windy City
 
One step forward, one back ...

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Dec 5, 2022 08:39:48   #
bajadreamer Loc: Baja California Sur
 
CHG_CANON wrote:
What did Adobe say?


Adobe acknowledges problem saving TIFFs using ZIP as compression method. Switching to LZW compression solves problem. 500-800 MB files save in seconds with LZW vs 2.5 minutes using ZIP. So, for the time being will use LZW. Probably for my files, will not make much difference and I do not worry too much about storage space-use 14 TB HDs for back up and Amazon Photos is free and unlimited (for now).

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Dec 5, 2022 08:40:16   #
bajadreamer Loc: Baja California Sur
 
burkphoto wrote:
Do you have at least 20% and preferably 50% of your startup drive EMPTY and ready to perform memory swap operations? Are you saving to an ancient 5400 RPM spinning platter hard drive or a modern SSD? Do you have a scratch drive enabled?

Drives are the #1 bottleneck in most systems, followed by RAM. Be sure your system meets and preferably exceeds the minimum specifications for running Ps 24:

https://helpx.adobe.com/photoshop/system-requirements.html


Adobe acknowledges problem saving TIFFs using ZIP as compression method. Switching to LZW compression solves problem. 500-800 MB files save in seconds with LZW vs 2.5 minutes using ZIP. So, for the time being will use LZW. Probably for my files, will not make much difference and I do not worry too much about storage space-use 14 TB HDs for back up and Amazon Photos is free and unlimited (for now).

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Dec 5, 2022 09:54:31   #
burkphoto Loc: High Point, NC
 
bajadreamer wrote:
Adobe acknowledges problem saving TIFFs using ZIP as compression method. Switching to LZW compression solves problem. 500-800 MB files save in seconds with LZW vs 2.5 minutes using ZIP. So, for the time being will use LZW. Probably for my files, will not make much difference and I do not worry too much about storage space-use 14 TB HDs for back up and Amazon Photos is free and unlimited (for now).


Interesting. I tried a little test on my 2020 M1 MacBook Air.

Six 17.6 MB raw files took about four seconds to export from Lightroom to 16-bit TIFFs in ProPhoto RGB with NO compression. 334.4MB saved to disk

The same six files took about four seconds to export from Lightroom to 16-bit TIFFs in ProPhoto RGB with ZIP compression. 131MB saved to disk. So it saved almost 61% of the SSD space by compressing, and the time difference was negligible. In fact, I consider the time to export was negligible in the grand scheme of things. The M1 Mac writes to a 1TB internal SSD at three Gigabytes per second!

Lightroom doesn't do LZW compression, probably for the same reason Adobe states about Photoshop.

Compression may take longer with gigantic images, where the individual file size exceeds available RAM. I haven't tested that.

One thing that may help is to install a super fast SSD, or use a Thunderbolt 3 or Thunderbolt 4 external drive, if your computer supports that connection. The best Thunderbolt 4 drives can run about as fast as my internal SSDs.

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Dec 5, 2022 10:03:39   #
CHG_CANON Loc: the Windy City
 
bajadreamer wrote:
Adobe acknowledges problem saving TIFFs using ZIP as compression method. Switching to LZW compression solves problem. 500-800 MB files save in seconds with LZW vs 2.5 minutes using ZIP. So, for the time being will use LZW. Probably for my files, will not make much difference and I do not worry too much about storage space-use 14 TB HDs for back up and Amazon Photos is free and unlimited (for now).


Hooray!

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Dec 5, 2022 10:32:32   #
bajadreamer Loc: Baja California Sur
 
burkphoto wrote:
Interesting. I tried a little test on my 2020 M1 MacBook Air.

Six 17.6 MB raw files took about four seconds to export from Lightroom to 16-bit TIFFs in ProPhoto RGB with NO compression. 334.4MB saved to disk

The same six files took about four seconds to export from Lightroom to 16-bit TIFFs in ProPhoto RGB with ZIP compression. 131MB saved to disk. So it saved almost 61% of the SSD space by compressing, and the time difference was negligible. In fact, I consider the time to export was negligible in the grand scheme of things. The M1 Mac writes to a 1TB internal SSD at three Gigabytes per second!

Lightroom doesn't do LZW compression, probably for the same reason Adobe states about Photoshop.

Compression may take longer with gigantic images, where the individual file size exceeds available RAM. I haven't tested that.

One thing that may help is to install a super fast SSD, or use a Thunderbolt 3 or Thunderbolt 4 external drive, if your computer supports that connection. The best Thunderbolt 4 drives can run about as fast as my internal SSDs.
Interesting. I tried a little test on my 2020 M1 M... (show quote)


Thank you. Actually the time it takes to save a ZIP compressed layered file (500 MB) or a flattened (100 MB) file is the virtually the same whether saved to my external spinning hard drives (USB-B) or my internal SSD. So, the problem is within PS, not my system.

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Dec 5, 2022 12:13:46   #
burkphoto Loc: High Point, NC
 
bajadreamer wrote:
Thank you. Actually the time it takes to save a ZIP compressed layered file (500 MB) or a flattened (100 MB) file is the virtually the same whether saved to my external spinning hard drives (USB-B) or my internal SSD. So, the problem is within PS, not my system.


THAT is good news. I won't waste my time with LZW then!

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