5 Replies Latest reply on Apr 9, 2017 1:59 AM by fxgeek

    Lightroom 2015.7 Performance Issue in Develop Mode

    drloksoft Level 1



      I'm experienceing massice performance Issues with Lightroom 2015.7 on Windows 10 64bit, when in Develop Mode. Even just with Smart Previews, the performance is quite bad. The Processor is a 6 core I7 3.5GHz, the files are on a RAID, the Cache is on a M.2 Drive and the system is on a SSD. The Machine has in total 64GB RAM and a nVidida 980 GTX Graphics card. I do not see the performance issue in the hardware itself.


      The original pictures are RAW files taken with a Sony Alpha 7R II, but I'm just dealing with Smart Previews here. So the file size cannot be the issue. In fact, it's not faster or slower when usign the original files comparing to the smart previews.


      I've recorded a video highlighting the issue.

      Lightroom Performance Issue - YouTube


      Here are my system infos:



      Any ideas how to solve this?






        • 1. Re: Lightroom 2015.7 Performance Issue in Develop Mode
          99jon Adobe Community Professional & MVP

          Do you see any difference when not working from a smart collection e.g. if the source is a folder or ordinary collection?

          • 2. Re: Lightroom 2015.7 Performance Issue in Develop Mode
            drloksoft Level 1



            the issue is the same in smart collections compared to ordinary collections.

            I'Ve realized I've opened a thread on 2015.6.1 a while ago with the same issue.


            Lightroom CC / 2015.6.1 hangs and freezes on Windows 10


            Not sure, but it looks like it is an issue with the preset I've applied.

            • 3. Re: Lightroom 2015.7 Performance Issue in Develop Mode
              dj_paige Level 10

              Do these photos have a lot of brushing or spot healing?


              Do all presets have this slowness, or just some?

              • 4. Re: Lightroom 2015.7 Performance Issue in Develop Mode
                drloksoft Level 1



                no brushing, no spot healing.

                It looks like simple presets are faster than complex presets, but I did not figure out, which setting actually kills the computer.

                Any preset (even simple ones) causes an unresponsiveness for at least 1 second.


                I've renamed my complex preset names into simple one,s as I was wondering if it is the file name. It's not.

                Here are the presets:



                And here's a recording highlighting the performance issues with each preset.

                Lightroom_issue_performance - YouTube


                Does it help?

                • 5. Re: Lightroom 2015.7 Performance Issue in Develop Mode

                  I have the exact same problem. It started with 2015.7 and hasn't been addressed in subsequent updates. For me the problem seems specific to Sony ARW files. this issue, which is exactly as the video show, only occurs when I'm editing files from any Sony camera. I have both A7 and A6000 and it's the same on both. I also use a X-Pro 2 and this problem doesn't occur with those. I have tried converting to DNG, which makes no difference. I have tried GPU acceleration on and Off, which makes no difference, and I've tried a new catalogue with no other files. I have a 12 Core Mac Pro with 20GB ram, so it's not like it's an underpowered machine. It also occurs on my laptop, a MacBook pro retina, but it doesn't last as long and is not as frustrating.


                  Incidentally, I have not added any preset, other than at import, to set profiles etc, so I guess that is technically a preset?


                  This definitely occurred with 2015.7 because I noted it at the time, because it occurred when the smart preview feature was added.


                  Please Adobe take this seriously and look into addressing it. There have been several point releases since then and this is still broken. I'm sure it's not affecting everyone, but it's definitely affecting some people. For me, Lightroom is virtually unuseable with Sony files at the moment.


                  If there's any information you need to help address this I'll be happy to provide. This isn't a software configuration, but it may be specific to hardware, although the original poster's was significantly different from my setup.