minicraig's profile

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Fri, Apr 15, 2016 4:35 AM

Lightroom: Queue operations (e.g. HDR merge) when out of RAM

If I start 15 HDR merges at around the same time, Lightroom uses more memory than my 16gb of RAM, and it ends up taking ~5 minutes. If I start 5 merges, it only takes 20 seconds.

Instead of queueing operations once it gets to capacity, Lightroom is trying to get more virtual memory and the PC ends up thrashing (constantly swapping RAM to disk). This is really slow (about 5 times slower on my machine).

It would be nice if Lightroom was aware of memory usage, or at least let you set a limit for concurrent jobs.

This conversation has been merged. Please refer the main conversation:

Lightroom: Ability to batch process Photo Merge (HDR and panorama)

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