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aubuti;621254 Wrote: > This isn't about theory or coding, because it's really about the basics > of database operations. And indirectly about the quality of > experiments. In my field (development economics) I also deal all the > time with cases where the theory and the empirics frequently don't > align with one another, and I am strongly in the empirical camp. But I > also know that you have to understand the theory to ask the right > questions, and if you will, do the right experiments. > > So, tell me more about your experiments and exactly which variables you > are controlling. In particular, please tell us if you have done this > particular experiment(*), and what your results were, in as precise > terms as possible. > > 1) take a blank external USB drive and add a library of nothing but > FLAC, properly tagged. Let TinySBS scan it until done. Then operate in > a normal manner and report results (scan completion rate, scan time, > response time of ui, playback performance, etc.) > > 2) erase that hard drive and add a library of the exact same properly > tagged FLAC library, except transcoded to 320kbps MP3, being sure that > the tags get added. Let TinySBS scan it until done. Then operate in a > normal manner and report results (scan completion rate, scan time, > response time of ui, playback performance, etc.) > > 3) erase that hard drive and add a library of the exact same properly > tagged FLAC library, except transcoded to 64kbps MP3, being sure that > the tags get added. Let TinySBS scan it until done. Then operate in a > normal manner and report results (scan completion rate, scan time, > response time of ui, playback performance, etc.) > > By your hypothesis that file size is the determining factor, scanning > and other operations should get progressively better and faster. > > (*) Possible variants are (a) use 3 different hard drives, as long as > they are the exact same model, and (b) you can have other data on the > disk, as long as it is the exact same for each of the treatments > (1)-(3). Comparing a FLAC library on a drive that has photos, > documents, etc with a drive that has nothing but MP3s isn't a useful > comparison, because TinySBS scans the entire drive. > > Let us know how that experiment turns out, as well as any others you > have run, and then we can discuss more productively where you have > found a fault in the code. > > EDIT: And 7.5.3 having problems with losing connections is clearly an > established and well-documented problem, so there's no disagreement > from me there. Even though it hasn't affected my system, it is clearly > a reproducible bug. But that's completely separate from the topic of > this thread. I am in the business of software development, and have been for 20 years. For applications and databases far more complex than squeezebox software and database. (As I said above to Garym) What you are asking to me, is to spend unacceptable amount of time testing what should more or less work fine out of the box. I spent a lot of time with 7.5.0, 7.5.1 versions before deciding that rescanning time (especially intempestive and unexpected rescanning) made TinySBS unacceptable for my library. That is not just me, we are a lot of people, some experienced in software business, to agree. I won't go through testing dozens of hard drives, comparing mp3s and flac etc ... I made the following test with 7.5.3 and 7.5.4 RC - tried 3 different usb sticks of different brands. - reformatted them (tried FAT32 and NTFS) - added one single album, 6 flac files 16/44.1 no artwork TinySBS scan the library, doesn't tell me if any file is found, and I cannot find any track to read whatever mean I try (search, browse folders, etc ...) This is with 7.5.3 and 7.5.4 RC Everything is fine with several albums on the usb stick if I use 7.6 So I won't loose my time any more with 7.5.x I had a quick look at how the database id handled. One example, the way SBS handles artwork is simply a nonsense for me. So I guess there is massive improvement to expect in the way SBS and its database is developed and organized. -- nicolas75 ------------------------------------------------------------------------ nicolas75's Profile: http://forums.slimdevices.com/member.php?userid=15823 View this thread: http://forums.slimdevices.com/showthread.php?t=86446 _______________________________________________ Touch mailing list [email protected] http://lists.slimdevices.com/mailman/listinfo/touch
