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LibaryScanner on program-start extremely slows down program #5452
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Commented by: asantoni Hi Florian, Can you tell us a little bit about your music library? How big is it? Thanks, 2010/7/10 Florian Schrön :
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Commented by: florian-itzoo Hi albert, the library is 64GB big and contains 15833 mp3-files. the laptop is a hp pavillion with a AMD Turion(tm) 64 X2 Mobile Technology TL-58 and 2GB RAM. Greetings, |
Commented by: rryan 4 minutes on a 15k files is not terrible, thats 16ms per song, which is not too bad. Is that how long it takes on the first scan or is that how long it takes on every bootup of Mixxx? If it's the latter, that is not good. If nothing in your library has changed, our library scanner should be able to skip over directories that have not changed. Do you have all your music in many subdirectories or is it all in one big folder? Thanks, |
Commented by: rryan We do not set the priority of the library scanner thread, so maybe we should set it a little lower. Albert? |
Commented by: florian-itzoo I have many subdirectories.(1065) |
Commented by: asantoni Hi Florian, I've made some changes in 1.8 to lower the priority of the library Thanks, 2010/9/12 Florian Schrön :
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Commented by: rryan Just committed Tobias' library scan performance patch. This has increased the speed of my library by a significant amount. Scanning 75gb / 15,000 files on my SSD takes 28 seconds. After Tobias's patch, that scan now takes 4 seconds. |
Commented by: rryan Also, on a library re-scan, the re-scan takes 5 seconds. |
Commented by: raffitea Cool to see that the library scanner patch is faster that 4x on SSD. Awesome!!! Thanks RJ for adapting and commiting my patch. |
Issue closed with status Fix Released. |
Reported by: florian-itzoo
Date: 2010-07-10T15:35:43Z
Status: Fix Released
Importance: Medium
Launchpad Issue: lp604018
When Mixxx starts, the LibraryScanner slows down the program. The usage of the program is possible, when the scan is finished.
This is not very reliable, when mixxx has to be restarted because of a crash. i have to wait 4 minutes until the library-scan is finished.
Maybe its possible to open a status-window while resanning with options to pause, abort or nice the scanprocess.
pc-infos:
Linux laptop 2.6.32-23-generic #37-Ubuntu SMP Fri Jun 11 08:03:28 UTC 2010 x86_64 GNU/Linux
Ubuntu 10.04 LTS (lucid)
Audio devices: nVidia Corporation MCP67 High Definition Audio (rev a1) & C-Media Electronics, Inc. Audio Adapter
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