Lightroom 4.1 extremely slow export speed

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  • Problem
  • Updated 4 years ago
Lightroom LR 4.1 take more than 20 second to export one photo!!! this totally unacceptable for any working photographer.

I am a wedding photographer and need to export more than 1500+ photos for a wedding. Can you tell me how many hours required?

We are losing our client and money ....
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Piero Kwong

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  • frustrated

Posted 4 years ago

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jdv, Champion

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Obviously, this is not typical. You are going to have to provide more information if we are going to solve it.

Please provide:

- Platform details
- Image type that is the source of the rendition
- Export settings
- Where you are exporting the renditions to

If this is a Mac, you can easily "sample" the process via Activity Monitor. More modern Windows release have a similar gesture.
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Rob Berrade

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I am noticing the export slow down as well. Exporting DNG files to jpgs is taking a very long time.

Original file from 5D MKII RAW imported to DNG (24.9 MB) and then exported to 800px (long edge) 8 (quality) sRGB jpgs (290 KB).
It took 42 minutes to export 196 pics to hard drive.

This is a common type export for me and with LR 3.6 on the some computer I could export 400 pics in under 15 minutes.

Win7 64 bit on Dell XPS 1645 Laptop
Intel i7 Q740 @ 1.73GHz
8 Gig ram
Lightroom 4.1
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Alan Garrett

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I have this problem too. During a recent test, exporting 10 5D2 files to hd in LR3.6 took approx 3 to 5 seconds per file, yet LR4.1 takes approx 8 to 12 seconds for the same files. This is on my Desktop (Windows 7 64-bit OS, i7 940 CPU @ 2.93GHz, 12Gb RAM). I recently had to export some 2,400 photos for a client, and this took some 8 hours to export!

The situation with LR4.1 on my Laptop (Windows 7 64-bit OS, 2GHz CPU, 4Gb RAM) is even worse - around 25 seconds per photo.

During a long export, Windows Task manager shows LR4.1 using around 3Gb of Memory, and all 8 cores of the CPU used varying between 10% and 60% capacity. I have tried this with as much other software as possible (Kaspersky Anti-Virus, MS Outlook ...etc... the usual 76 running processes stopped down to 52) with the same results on 4.1.

Thanks

Alan
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Piero Kwong

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Please provide:

- Platform details
Mac OS X 10.6.8

- Image type that is the source of the rendition
NEF

- Export settings
From NEF to Jpeg, no resize and 300 dpi
Sometimes with watermark, sometimes without watermark. All very slow

- Where you are exporting the renditions to
Sometimes export to my internal hard drive, sometimes to my external hard drive. All extremely slow compare to LR3
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Piero Kwong

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I have already tried every different way PS suggest, including:
- Increase the Cache to 50GB
- Minimise Library
- Catalog & Cache file are all in the same folder
- Keeping my hard drive around 2/3 free, huge capacity.

Non of this are improving the performance on the export.

I tired to export a set of wedding for my client, I start that first thing in the morning, it is still exporting when I leave the studio at the end of the day. Around 3000 images. That is absolutely ridiculous!!!

If LR3 can read my Nikon D4 file, I will definitely go back to use my LR3, export shouldn't take more than 1 hour even with 3000 photos.