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Experiencing performance related issues in Lightroom 4.x

Aug 6, 2012 3:58 PM

  Latest reply: Victoria Bampton, Dec 18, 2012 11:37 AM
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  • Currently Being Moderated
    Mar 11, 2012 7:18 AM   in reply to A C G

    Don't worry George.

     

    Dr Google told me "Select one or more photos in the Grid view, or select a single photo in the Filmstrip in Loupe, Compare, or Survey view. Then, choose Library > Convert Photo(s) To DNG."

     

    I'll see what magic it performs.

     

    EDIT. None.

     

    Tony

     
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  • Currently Being Moderated
    Mar 11, 2012 8:13 AM   in reply to Kirk Kelln

    No I don't get that error. Catalog with >20 k images on a core 2 duo Mac

    book air (so pretty slow machine)  LR4 is not noticeably slower than LR 3.

     

    Sent from my iPad

     
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  • Currently Being Moderated
    Mar 11, 2012 8:36 AM   in reply to George Murphy

    I tried the "convert one file to DNG workaround" and that appears to have worked for me.  I'll convert my LR3 catalog again as I did a fresh reinstall and give it LR4 a workout.  Thanks for the tip - I hope it holds!  (Win7 install).

     

    Dave

     
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  • Currently Being Moderated
    Mar 11, 2012 8:39 AM   in reply to Robbie2006

    I presume everyone who's having this problem has submitted a "bug report".  I don't know how Adobe assigns priority to thier issues and problems but I can't imagine that the number of people reporting the same issue is not a factor.    Here's the link to the "Feature request and bug reporting" web page

     

    https://www.adobe.com/cfusion/mmform/index.cfm?name=wishform

     
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  • Kirk Kelln
    16 posts
    Nov 20, 2009
    Currently Being Moderated
    Mar 11, 2012 9:13 AM   in reply to Jao vdL

    I find it interesting that you dont get the error ...and that is consistent with your experience that Lr4 is responsive.

     

    Anyone that finds Lr4 slugish, can you please try the following experiment: Just open lr4, go into develop, make a change to your photo then immediately exit lr4 by clicking the X in the corner. Do you get an error?

     

    I think we will find that there is a 1 to 1 correlation between situations where Lr4 is slufgish and the error being generated, which is good news. It gives Adobe a great place to start to look at what is going on under the hood that is causing the error. Solving that problem is very likely the same as solving the responsiveness issue generally.

     

    Thanks

    Kirk

     
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  • Currently Being Moderated
    Mar 11, 2012 9:16 AM   in reply to Kirk Kelln

    Sounds like there is a bug that is triggered by some specific

    circumstances. I also find the observations of others that just touching a

    single image (converting it to dng) fixes it for them. That is very strange.

     
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  • Currently Being Moderated
    Mar 11, 2012 9:56 AM   in reply to Jao vdL

    After further testing, I can say that converting a single image to DNG has greatly improved performance.  Though it still lags LR3.6, it is now at least usable.  I do run into the out-of-memory error when LR4 memory usage gets up over 1GB (on 32-bit Win7) though memory is still available.  LR4 definitely chews up more resources than 3.6.

     

    As another user notes, people do need to submit a bug report to get Adobe's attention.  I have a problem with another Adobe product and though the bug report on it has over 30 additional inputs, Adobe has said there are no current plans to address it because there have not been enough users reporting impacts.

     

    Dave

     
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  • Currently Being Moderated
    Mar 11, 2012 9:58 AM   in reply to sparksdjs

    Dave,

     

    Unless I was looking in the wrong place not many of the participants of this thread have filed a bug report. It ought to be 'compulsary' from now !!!

     

    Tony

     
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  • Currently Being Moderated
    Mar 11, 2012 12:21 PM   in reply to sparksdjs

    I also did the convert a single image to DNG trick, which has at least made basic generating a preview on initial loading an image faster.

     

    I am using a second monitor though, and actual image editing is then basically unusable - takes several seconds to adjust anything. If I disable the second monitor from LR4 menu, then it's fine. With the second monitor on (and using PV2012 or PV2010, but worse with PV2012), it's just 2-3 seconds of Mac progress spinner before anything happens. Defintely for me related to the rendering time for the second display - which is in full-screen Loupe mode. With LR3.6 performance with 2nd display was occasionally slow, but always tolerable. With LR4 it's unusable.

     

     

    Should say - on further testing, the slow/intolerable editing performance is only with editing of images imported as part of an LR3.6 catalog. For images which are direct new imports to LR4, the editing performance of those new images with two monitors seems OK (under any PV). [Suggestive that what I am seeing is related to LR4's management of the image records in an LR3.6 imported catalog base].

     

     

    [OS X 10.7.3, 17" MBP 2009, 3.06GHz Core 2 Duo, 8GB RAM, 7200rpm HDD, NVIDIA GeForce 9400M, NEC3090WQXi external, ~75k images in LR catalog]

     
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  • Currently Being Moderated
    Mar 11, 2012 11:50 AM   in reply to BCormier

    Lightroom 4 isn't *slow*, here it's *unbearably slow*. every single action takes 2-5 seconds. literally. press "D". wait. drag a slider. wait. press "R" wait. change crop. wait. drag a sider. wait. press "G". wait.

     

    i have a resonably large catalog (almost 50k photos), but LR3 handled that fine. i've also freshly rendered previews for of the last years photos that im working on. the catalog wa simported from LR3, yes. but i can;t really be reasonably expected to start with a fresh catalog, when i have 50k images already i LR, can i?

     

    also, this is a 8-core Mac Pro with 14GB of RAM.

     

    this is ridiculous, i'll most likely have to go back to LR3 (and live with losing the bit of work i did in LR4, so far).

     
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  • Currently Being Moderated
    Mar 11, 2012 12:18 PM   in reply to dwarfland

    Mark and dwarf,

     

    Have you filed your bug reports......please.

     

    Tony

     
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  • Currently Being Moderated
    Mar 11, 2012 1:00 PM   in reply to dwarfland

    @ Dwarfland:  Lightroom 4 isn't *slow*, here it's *unbearably slow*. every single action takes 2-5 seconds. literally. press "D". wait. drag a slider. wait. press "R" wait. change crop. wait. drag a sider. wait. press "G". wait.

     

    Seems like there's definitely a problem with the install, or from the look of this thread a problem with the software, but only in certain environments.

     

    I have similar specs to yours (i7 3.4, 16gb ram, win7-64, 50k images in catalog), and I don't wait at all for anything like what you mention above, it's all instantaneous. It was with LR 3 as well.

     

    For me LR4 is noticeably faster than LR3, especially search and filtering. The new dng fast load data also speeds up the develop module. Batch writing of metadata to the catalog (keywords in particular) is also faster than with LR3. Oddly, batch writing of metadata to files from the catalog seems quite a bit slower.

     
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  • Currently Being Moderated
    Mar 11, 2012 12:27 PM   in reply to A C G

    Tony. Not posted any bug report yet. Still playing with various things to try and narrow down what it might be based on what I am reading around the various forums.

     

    I just updated what I'd earlier said with more info related to it seems to be only those images brought in as part of a 3.6 catalog. Editing fresh images directly imported to LR4 does not seem to be slow.

     

    I am also assuming that Adobe folks are monitoring this forum. I'd be pretty sure they are...

     
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  • Currently Being Moderated
    Mar 11, 2012 12:48 PM   in reply to Mark Wycherley

    I updated Lightroom from version 3.6 to 4 (no beta has been installed) and I noticed a serious (unacceptable) lag when dragging the sliders - especially the Clarity slider.
    The problem was only there when using 2 monitors AND the secondary monitor was using Lightroom's Loupe view (i.e. both monitors showed the same picture).

     

    My system: 
    Intel i7 975 overclocked to 4 GHz.
    6 GB RAM (1866 MHz).
    Videocard:  ASUS ENGTX280 OC.
    Windows 7 64-bit Ultimate.

    I use 2 CRT-monitors:  21'' (1920x1440, 85Hz) and 19'' (1600x1200, 85 Hz).

     

    I uninstalled the rather old videocard NVIDIA driver version 258.96. Rebooted and installed the brand new version 295.73 WHQL (dated February 22 2012), and that solved the problem with the lagging sliders.

    Conclusion:  it may be worth updating the videocard drivers if you experience the problem with the lagging sliders.

     
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  • Currently Being Moderated
    Mar 11, 2012 12:59 PM   in reply to Gudselv

    @Gudselv - I use 2 CRT-monitors:  21'' (1920x1440, 85Hz) and 19'' (1600x1200, 85 Hz).

     

    Adobe does say dual monitors can seriously hurt LR performance

     
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  • Currently Being Moderated
    Mar 11, 2012 1:02 PM   in reply to Scooby007

    Yes but in my case the newest videocard driver solved the "lagging" problem.

     
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  • Currently Being Moderated
    Mar 11, 2012 1:42 PM   in reply to Scooby007

     

    B r e t t wrote:

     

    Adobe does say dual monitors can seriously hurt LR performance

     

    Just out of interest, do you have a reference for that?

     
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  • Currently Being Moderated
    Mar 11, 2012 1:51 PM   in reply to martin-s

    @Martin...reference for that?

     

    Optimizing LR perfromance, by Adobe (good document)

     

    http://kb2.adobe.com/cps/400/kb400808.html

     

    "Options that can help increase performance include:

    • 64-bit, multiple core processor (for best performance, up to 6 cores. The extra power is especially important if you use multiple or high resolution monitors which require more power)."

     

    I guess I over-paraphrased it, but I take "especially important" to mean the impact of multiple monitors can be significant

     
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  • Currently Being Moderated
    Mar 11, 2012 2:35 PM   in reply to Scooby007

    It is certainly correct that two monitors slows down LR relative to with one monitor, but in my case with LR3 it was never to the point of unusability.

     

    Now I find that editing an image from my LR3.6 catalog in LR4 set in dual monitor mode is unbearable, BUT editing a new image imported directly into LR4 in two monitor mode is fine - the sliders react almost as fast as in one monitor mode. Import-as-catalog LR3.6 images are editable fine in LR4 in single-monitor mode (this is after doing the convert one file DNG trick which I think did improve things).

     

    So for me the LR4 unworkably slow problem is a combination of import-as-catalog LR3.6 images AND dual monitor/loupe mode.

     

     

    [The thing I have not yet tried is force LR4 to rebuild all my previews; I guess that is my next step, once I've re-read how to do it, but others have said it has not really improved their poor performance].

     
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  • Currently Being Moderated
    Mar 11, 2012 3:03 PM   in reply to BCormier

    I just upgraded to Lightroom 4 on Saturrday.  Yesterday, I took over 600 photos and have been simply trying to rate and keyword them.  Lightroom is unbelievably slow.  Switching images in the devlop module can take around 8 seconds.  1:1 views take at least 5 seconds to come up.  Evebn selecting a photo and then havbing the develop settings come up for that selected photo takes 5 seconds.  People have said the sliders are problematic.  Mine appear to be jerky but the results come up quickly after adjusting.

     

    I did clear the preview folder which improved the performance somewhat but it comes to a crawl later on during my workflow.

     

    Lightroom 3 was never a problem and I could switch between photos  really quickly and have its metadata and keywors appears virtually instantly.

     

    I never have had Lightroom 4 beta and my PC is using the follows:

     

    Asus P5T SE with 12GB RAM

    Intel Core i7 920

    Windows 7 (SP1) 64-bit

    120GB OCZ Vertex Plus SSD system drive

    and  Western Digital 2TB SATA

     

    I only run one monitor and am using the latest AMD drivers for my Radeon HD6870.

     

    I think I'm going to have to upgrade Ligthroom back to version 3.6 as it'll take me forever to go through those newly imported 600+ images and rate or reject and keyword them.

     
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  • Currently Being Moderated
    Mar 11, 2012 3:40 PM   in reply to Mark Wycherley

    "I am also assuming that Adobe folks are monitoring this forum. I'd be pretty sure they are..."

     

    Mark. It is the weekend but I cannot believe they are.

     

    When I moved to digital ten, or more, years ago I was lucky to be pointed to Picture Window Pro, BreezeBrowser and Qimage. I did not go down the Photoshop route.

     

    All three programs have web fora that are monitored daily by the software writers and hourly when the post upgrades. When an upgrade fails like the LR4 one clearly has then (a) they respond with a comment and (b) a fix is supplied within 24 hours. We are unlucky that Lightroom is now subsumed into the vastness of Adbobe where quickness of response is no longer a priority. Sadly this is the price we are paying. I did not want this thread to drift into an attack on Adobe and it is better that it should concentrate in finding ourselves the fix whilst the congromerate trundles on.

     

    So do not respond, please and clog this this thread with moans. Mine should not be here anyway.

     

    It is Monday tomorrow. No doubt they will arrive back at their office bright eyed and bushy tailed and LR4.1 will be with us early this next week.

     

    In the meantime. Anyone who follows on my file a bug/fault report PLEASE.

     

    Tony

     
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  • Currently Being Moderated
    Mar 11, 2012 3:43 PM   in reply to A C G

    Tony, have now also posted across here:

    http://feedback.photoshop.com/photoshop_family/topics/lr4_0_reacts_ext remely_slow

     

    after someone else has outlined the exact same I am seeing. I presume that is the right place then to get Adobe's attention???

     
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  • Currently Being Moderated
    Mar 11, 2012 4:18 PM   in reply to BCormier

    I just want to add another message to Adobe that LR4 is extremely slow, but for me now there is no way back to LR3.   I really hope Adobe is working on a fix for this problem.

     

    Kjell Roar

     
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  • Currently Being Moderated
    Mar 11, 2012 4:37 PM   in reply to Mark Wycherley

    I have the same problem with LR4 slidders having a sluggish response when compared to LR3. I see a lot of post dealing with LR4 performance issues.

     
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  • Currently Being Moderated
    Mar 11, 2012 4:46 PM   in reply to BCormier

    6-core AMD Phenom 3.4GHz, 8GB RAM, high-end nVidia graphics card, SSD, single monitor, and LR4 is almost unusably slow. Just browsing through pictures in Develop mode takes about 3 seconds per picture, WB slider is extremely unresponsive, and so are most of the other ones.

     

    This is clearly not a problem that requires more computing resources, but some kind of a bug that's exposed on certain systems only. Hopefully Adobe figures it out quickly.

     
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  • Currently Being Moderated
    Mar 11, 2012 6:28 PM   in reply to BCormier

    I'm experiencing a similar issue.  Lightroom 3 is very fast.  Lightroom 4 is unbearably slow.  Even applying a rating to a photo takes a couple of seconds.  It took me forever to process images from a volleyball match last night.  Moving from the Develop Module back to the Library Module takes a few seconds.  Previews take forever to render.

     

    I originally did my processing using Capture NX2.  I switched to Lightroom 3 a few months ago--and was amazed how much faster it was!  Now, Lightroom 4 is slower than NX2!  I would go back to Lightroom 3, but going back and forth between Lightroom 3 and 4 makes managing the catalogues quite complex.

     

    I recently purchased a new ThinkPad computer.  I'm using Windows 7 (64 bits).  The computer has an Intel Core i7 Processor and 8 GB of RAM.  It works great with Lightroom3, but is unacceptable with Lightroom 4.  I hope that Adobe introduces a fix very soon.

     
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  • Currently Being Moderated
    Mar 11, 2012 6:52 PM   in reply to gnagel99

    Same here. I have a Intel Quad Core with 16GB RAM and LR4 is completely unusable. even scrolling from 1 image to the next in Library takes forever. LR3.6 was significantly faster.....

    Hoping Adobe wakes up and sends out a fix.

     
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  • Currently Being Moderated
    Mar 11, 2012 9:40 PM   in reply to George Murphy

    Wow, I've been having nothing but problems with slow, jerky slider behaviour and slow preview renderings, ESPECIALLY with a second display in Loupe View.  But this "convert one file to dng" trick (post 116) seems to have worked some sort of magic on my LR4 installation!  It is now actually usable - not 100% perfect, but vastly improved.  I don't get it, but it seems to be working!

     

    [Win7 64, i7-950, 12GB, LR4 upgraded from beta, catalog upgraded from beta]

     
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  • Currently Being Moderated
    Mar 11, 2012 11:50 PM   in reply to aross4242

    After importing the first photos (upgraded from LR3, uninstalled LR4 beta earlier) LR4 was really unusable due to UI response times of several seconds.

    Converting one file to dng helped a lot or maybe LR4 completed something which it was doing on the background.

    Rendering standard preview after editing with 2012 process version causes the same sluggish effect when moving immediately to library view.

     

    Win7 x64, Q9550, 6GB, catalog and preview data on SSD

     
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  • Currently Being Moderated
    Mar 12, 2012 1:01 AM   in reply to aross4242

    >But this "convert one file to dng" trick (post 116) seems tohave worked some magic on my LR4 installation!

     

    acros4242 - can you attach a link to post 116 - i cannot find it, dont see post numbers anywhere....

     

    thx

     
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  • Currently Being Moderated
    Mar 12, 2012 3:39 AM   in reply to nph2go

    "   "I am also assuming that Adobe folks are monitoring this forum. I'd be pretty sure they are..."

     

    Mark. It is the weekend but I cannot believe they are."

     

    I take that back. During the UK night someone moved my initial slow slider post to the other bug reporting forum.

     

    So Adobe are on to the case.

     

    Tony

     
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  • Currently Being Moderated
    Mar 12, 2012 4:12 AM   in reply to Pulzar2

    I have an XEON 2,67GHz, 6GB RAM, Nvidia Quattro FX1700, WD Velociraptor HDD, Single Monitor and LR4 is almost as fast as LR3. No trouble browsing through photos, geotagging photos etc. But it is certainly EATING MOMORY compared to LR3. Starting with 300 MB rising to about 3.5-4GB. The CPU Fan is running a lot - so it's certainly rather ressource hungry. But not slow to use.

    I have not installed the beta prior to installing release version of LR4

     

    So it realy seems like LR4 is having some hardware compability issues

     
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  • Currently Being Moderated
    Mar 12, 2012 6:07 AM   in reply to BCormier

    2.7GHz i7 / 6GB (Lenovo G770)

    MS Win Home Premium 64-bit

     

    LR4 64-bit

     

    Extremely slow ... click an image to enlarge and I can almost watch the screen redrawing. Touch any slider, but perhaps especially denoise, and the fan comes on full blast and the whole machine slows; Export 6 2048*1536 jpegs - takes 20 seconds and CPUs at 100% much of the time; single click on a filmstrip image - 80-90% CPU; animated activity icon is whirring for almost any activity I care to try.

     

    Catalogue is < 3K images at the moment. I always build 1:1s on import; the slowness is the same whether I edit newly imported images or images which were already in the catalogue from LR 3.6

     

    LR3.6 was fine on  the same machine.with the same catalogue.

     

    I have to say I didn;t notice this level of poor performance  with the beta, but then I didn't try to import all my old images either ...

     
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  • Currently Being Moderated
    Mar 12, 2012 7:23 AM   in reply to Kaur 100

    Kaur 100 wrote:

     

    I run i5@4.5ghz, 8GB ram, W7sp1. Initial impressions with LR4 beta were also general sluggishness in navigating around and when switching between 100% pictures to build the 1:1 previews. For me it improved when I deleted the folder "Previews.lrdata" (but kept the catalogue file!) and had LR4 rebuild the previews/100% views from scratch not relying on old database import from LR3.5 (appx 25000 pics). Also, the thing which I noticed is that in Library mode initially zooming into 100% view to build full view takes a bit more time than in Develop mode. But as it is currently only about 1.5 seconds for LR to build full 100% view, then it is not too bad compared with LR3.5 (roughly 1 sec). Sliders move around very smoothly and adjustments appear instantly as well.

     

     

    This thread is virtually identical to threads about the LR1-LR2 and LR2-LR3 upgrades. LR3 was unuseable for me until I deleted all of my previews and recreated the standard previews for my entire catalog- a lengthy process on the system I was using at the time.

     
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  • Currently Being Moderated
    Mar 12, 2012 8:25 AM   in reply to BCormier

    I had intermittent slowness in LR3. ranging from unusable to highly annoying. Other times it ran smoothly.    the only thing I could puin down the slownewss was disc activity. As soon as the HDD LED was either constantly on or flashing rapidly, LR3 slowed down to a crawl and slider repsonsiveness was terrible.. like 5 seconds before a change happened.

     

    LR4 has upto now been fairlry responsive

     

    I have an i7 930 with 6Gb of RAM overclocked to 3.8Ghz

     

     

    Adobe should look to the disc drive handling IMHO

     
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  • Currently Being Moderated
    Mar 12, 2012 9:34 AM   in reply to BCormier

    I just wanted to include my experience of LR4 in this forum.

     

    I too have upgraded from LR3.6 and initially I came to this forum after experiencing performance issues that would have, in my opinion, made LR4 unusable.

     

    I removed LR4 Beta  - as a matter of good practice - before loading the release version of LR4. I installed LR4 alongside LR3.6 (i.e did not remove 3.6 before 4).

     

    I opened LR4 and pointed it at my "old" LR3.6 Catalogue and was promted to convert the catalogue for use in LR4.

    I ran through the automated process and thought nothing of it. I converted all my photos to PV2012

    Note: LR4 created a COPY op my LR3.6 CAT that sat alongside the old one.

    400 images in my catalogue, some tiff, some NEF, some JPEG, some DNG!

    I then noticed the performance issues, especially with flicking between images in the film strip ( ~3 second delay between redraw). I also noticed this with WB, Exposure and a number of other sliders lagging typically 1-2 seconds behind.

     

    Note: I did not notice slow performance or other performance issues within the Beta (created a fresh catalogue anyway)

     

    # My Resolution:

    - Removed 3.6CAT (backed up to another folder of course)

    - Renamed the LR4 CAT and Deleted .irdata folder and previews folder.

    - Loaded LR4 and pointed it to the catalogue, waited for LR to create the default folders. (1-2 minutes, it did not take long)

    - Rendered all previews in catalogue:  library>render previews and render 1:1 previews

    - Ran optimize catalogue (as a peace of mind option)

     

    LR4 not runs as well as 3.6, which, is all I could ask for.

    If anything is not clear of you want to know more if i left anything out, let me know.

     

    For what it is worth I have included my PC spec:
    AMD Phenom, 3.7Ghz, 4GB RAM, ATI4850, WD Black 640GB.

    LR4 is, IMO, a little more RAM hungry than 3.x

     

    Message was edited by: Screenynamettr That should say LR4 NOW runs as well as 3.6

     
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  • Currently Being Moderated
    Mar 12, 2012 12:04 PM   in reply to BCormier

    Shame that some people are having issues. Upgrades should be seamless IMO, and the kind of performance issues mentioned here would drive me insane.

     

    Lucky for me I guess LR4 is blazing fast - better across the board than LR3, especially in bulk handling of metadata and develop adjustments (WIn7-64 tower, i7 2600k 3.4ghz, 16gb ram, 4.5tb, migrated LR3 cat of 50k images).

     

    Adobe has a good guide to speeding performance here, but you really shouldn't have to change anything to accomodate the upgrade, and the kind of outrageous slowness people are describing here - waiting five seconds for things that should definitely be instantaneous - can only be bugs it seems. Either that or there is (for some user segment) a best practices routine required for LR4 that is different than LR3, and Adobe hasn't informed everyone.

     

    Seems like a lot of people talking about higher memory usage, and a lot of people with problems posting saying that they have 6gb of ram. I wonder if people aren't just swapping. 6gb is perhaps not enough for guaranteed swap-free performance, especially if you're multi-tasking with other applications and if you have some system bloat in general. RAM is so cheap it's certainly an easy fix.

     

    Also I wonder if people are doing things such that their camera raw cache has to be rebuilt, and they are misinterpreting the cache re-do as general slowness in the Develop module. As far as sliders, all slider operations should always be smooth and instantaneous I think, even on slower machines, and definitely on faster machines.

     
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  • Currently Being Moderated
    Mar 12, 2012 11:04 AM   in reply to Screenynamettr

    I have during today tried some similar things as per Screenynamettr.

     

    Main thing was change the way I got my LR3.6 catalogue into LR4. This time I first optimised the catalog in LR3.6 and then directly opened that catalog in LR4 (NB open not import-from-another-catalog which was how I had done it before); LR4 prompts/warns that it will need to update the catalog and regenerate the previews. I let it do so, and actually forced it to re-update at a prompt as it warns it has already updated the LR3.6 catalog (as part of the earlier import-as-catalog process).

     

    What I then get is a different behaviour to when I imported-from-catalog. Firstly the LR4 update/open process did not take anywhere as near as long as the import-as-catalog process (which took several hours, this took a few mins only). Now when I go into folders in the opened LR3.6 catalog I can see LR4 is regenerating the previews (whereas with the import-as-catalog they were already there).

     

    Now for the important bit, having done it this way, LR4 is much faster at editing those original LR3.6 images that it was with an import-as-catalog (NB all along I am driving two monitors with the second one a 2560x1600 in loupe mode).

     

    If I then do the convert one image to DNG it actually slows down.... so I went back and re-did the open LR3.6 step.

     

    Now I am exploring further with deleting the LR4 previews file totally and just seeing what happens.

     

    Also will do some experimentation with my display layouts swapped over in OS X. Then the main display would be the 2560x1600 and the second would be 1920x1200. There's a critical factor maybe in that once a display is over 2048px, then LR uses 1:1 previews for the loupe view on that. My images are also typically 24MP RAW.

     

    Whatever is going on to create my LR4 slowness is clearly related to (maybe it's only 1:1) previews (as 1:1 is what is needed by a second 2560x1600 monitor) and how those are reference/related/generated/updated alongside especially to the structure of an imported 3.6 catalog. Opening rather than importing the LR3.6 catalog seems to be a different process resulting in a different structure (maybe, my deduction) in the LR4 catalog, and on my machine that has definitely resulted in faster LR4 editing performance, but a slower folder "open" inside LR as the previews are dynamically generated rather than pulled from a regenerated cache.

     
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  • Currently Being Moderated
    Mar 12, 2012 11:22 AM   in reply to BCormier

    I am also experiencing downspeed using Lightroom 4.0 when switching from one module to another several times, and tremendous downspeed when using the local brush adjustment and observed that my Random Access Memory usage is reaching 98%.

     

    Hoping that Adobe Lightroom Team will fix this issue like what they did in Adobe Photoshop CS6, I watched the sneak peek featuring the Liquify Filter in Adobe Photoshop CS6 and it seems like a charm.

     

    Overall, Lightroom 4.0 is a great application for digital photographers.

     
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    Mar 12, 2012 11:27 AM   in reply to BCormier

    Lightroom 4 is VERY slow for me, but I wish it was "only" that... I also find the way he converts the image to the new version, really horrible.

    In the new engine, all my images look greyish.

    Here's a sample (crops), first the original (Lightroom 3 "2010" engine), then the new version (Lightroom 4 "2012" engine):

     

    Cattura1.JPG

    Cattura2.JPG

    I simply can not accept this detriment in image quality.

     

    Orio

     
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