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Frequent rebuilding image cache for cataloged folders

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20 comments

  • Rick Sammartino Community moderator

    On1 is always scanning folders, even on a fixed disk system. Not sure how it handles a drive that's suddenly missing, but I wouldn't be surprised if that triggers a full scan, and another when it's plugged back in again.

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  • Brian Lawson Community moderator

    It shouldn't be rebuilding the entire catalog but it does have to re-scan the entire directory structure to see if anything has changed since the last time the program saw the drive connected.

    Is it taking as long to re-scan as it did to build the catalog originally? If it is I would talk with support about it. If it re-scans faster than building the catalog I would look for I/O bottlenecks. Is the external 4TB drive connected directly to the computer or is it connected through a hub or dock with other drives ON1 is using at the same time?

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  • George Fletcher

    Thanks for the responses!

    It's definitely rebuilding the entire case. This time I saw it go through 13% 50% 84% (which it was at when I had to shutdown the app). It doesn't happen every time I start the app but more frequently that I would have expected.

    The scanning step itself can take multiple seconds and it often comes up when I open the apps and I have to wait for it to complete before any of the images render in the browse pane.

    At the moment I have three folders set to be cataloged (the last 3 yrs of images). There are likely a very large number of files in those three folders considering there is the image file (CR2 or CR3), the XMP and the ON1 files.

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  • Rick Sammartino Community moderator

    If it was scanning to rebuild your whole library it would take hours, not seconds. If it's just scanning from 0 - 100 within a few minutes, this is normal. How long it takes depends on how many photos you have.

    Have you seen this?

    https://on1help.zendesk.com/hc/en-us/articles/360035750991-Catalogs-and-Caches-ON1-Photo-RAW-2020

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  • Brian Lawson Community moderator

    If you can measure the time to complete in seconds it most definitely is not rebuilding everything. To rebuild my catalog with only 13K images takes more than a day to complete. It is re-scanning everything and how long that will take depends upon how large the directory structure is and the number of images within it as well as the access time for the drive.

    You didn't mention how the drive is connected or what type it is — NAS, HD, SDD. I've got a 4TB NAS connected via Ethernet and it is slow to work with. I do not use if with ON1 except as a backup location when I import new photos.

    Your original question was if this was to be expected. In my experience, yes, this is normal.

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  • George Fletcher

    The rebuilding of the actual cache takes hours. The scanning sometimes takes seconds. I shutdown the app (cleanly) this morning and it was 84% done rebuilding the image cache. This evening when I started it up, I saw the scanning window for a few seconds (no new files had been added) and then I clicked the import button (as I had some new photos to import). The import window came up, I selected the files from the card I wanted imported and selected import. Then a "searching" window came up and the program has been sitting there with the "searching" button for the last 30minutes or so and no photos have been imported. It seems like when it gets in this state I have to start up the app and let it sit there and figure everything out and rebuild stuff before I can use it to do something new.

    However, given your responses, I suspect I'm the only one dealing with this:)

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  • George Fletcher

    Of course, once I post that last response, the images do import. Sigh. At least I don't have to force quit the app and start over so that's a win :)

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  • George Fletcher

    Now it's started rebuilding the 2017 folder which hasn't had any updates that I can think of for months.

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  • Brian Lawson Community moderator

    If it is truly rebuilding everything something is definitely wrong and you'll need to contact support about it. Be sure to include your log file and the other info requested at https://on1help.zendesk.com/hc/en-us/articles/360018405111-How-to-submit-a-problem-to-ON1-Tech-Support-A-Step-by-step-Guide.

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  • George Fletcher

    Thanks! I'm a little worried it's not reproducible though I could force a thread dump via the Activity Monitor.

    To continue the saga, after selecting the rejects from my imported files, I chose delete and the app has been "beach balling" for the last say 10mins. It's almost like if it's trying to rebuild the cache and you ask for any other file system activity, it takes a long time.

    I really appreciate all the help and feedback. On1 has become my go to image editor so I'm becoming more dependent on it:)

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  • Rick Sammartino Community moderator

    The 'beach ball' is a whole different thing. There are other threads here dedicated to just that.

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  • Brian Lawson Community moderator

    There is one other possibility. Are you sure the program has finished cataloging the external drive? If that process has never finished for that drive you would see the symptoms you describe. It would appear that the cataloging process has started over again as it figures out where to continue and gets started rendering the remaining images. While it is doing all that rendering the program's performance will suffer but once it has finished the impact is minimized to just a few seconds every now and again as it makes sure everything is up to date.

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  • George Fletcher

    I don't think that is the case as I've left it running for hours in the past and seen the little pie symbol completely fill in for the folders. I'm assuming the application is only cataloging the folders that I've specified and not the entire external hard drive. Even if it hasn't finished, I'm not sure why it would start over with a folder it has completed (like it appears to have done with the 2017 folder).

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  • Rick Sammartino Community moderator

    This is mine. An hour ago it was done. Now it's at 70%. It does this all the time. I've been dealing with it for 2 years now, you'll get used to it. At least it's not completely locking up my PC now like it used to.

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  • George Fletcher

    Thanks Rick! Good to know I'm not alone. Most of the time it's not an issue to leave it running but sometimes there are time crunches and I'm always worried that shutting it down in the middle of what it's doing is going to cause it to make it worse the next time I start it up :)

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  • Raymond Griffiths

    I think cataloguing is responsible for many of the frustrations and glitches that come as part and parcel of running ON1. Contrary to claims that cataloguing runs in the background, it seems to be very much in the foreground at times, grabbing all available resources. It is a greedy bully and steals attention. I’ve learned to live with most delays but I still end up occasionally screaming at my computer. Customer service is not much help, but a nice bottle of red wine, I find, works a treat.

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  • Rick Sammartino Community moderator

    I agree. I have seen improvements in how they work, I no longer have my whole PC lock up while cataloging, but if On1 is in the background while I'm doing something else, the CPU is usually 90% or higher with On1 using most of that.

    I posted an 'Idea' that there should be a way to either suspend catalogues or manually trigger the scan yourself when you're away from the PC, but I can't find it on the list, so I guess it was rejected outright.

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  • Ingemar Svensson

    I have same experiences. It's seams that cataloging starts without any reason. No changes in my photos, no new photos added. I can leave my computer up and running over the night with ON1 started, and when I logon at the morning a cataloging sequence is starting. I have not measured for how long time, but it seams strange and very unnecessarily. I prefer to manage this process for my self, exactly as in Lightroom.

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  • Brian Lawson Community moderator

    That is just how the program insures it is staying up to date. When it wakes up it checks for any changes to the filesystem.

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  • George Fletcher

    I like that the program is looking for changes but I would like a little more control over when major efforts (like rebuilding caches) take place. It might be nice to get a "popup" that says, your catalogue is n% out of date would you like to sync it up now. A bit like the old disk defragmentation programs used to work:)

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