pippin;658541 Wrote:
> Then something is wrong with my setup:
> >
Code:
--------------------
> >
> Dateien werden erkannt: .../Music (17129 von 17129) Beendet 00:00:26
> Neue Dateien werden durchsucht: .../Music (13067 von 13067) Beendet
00:14:57
> Wiedergabelisten werden erkannt: .../Music/Playlists (4 von 4) Beendet
00:00:00
> Neue Wiedergabelisten werden durchsucht: .../Music/Playlists (3 von 3)
Beendet 00:00:01
> iTunes Import (3902 von 3902) Beendet 00:00:19
> iTunes Wiedergabelisten Import (24 von 24) Beendet 00:00:21
> Vom Benutzer hinzugefügte iTunes-Plattenhüllen importieren (178 von 178)
Beendet 00:01:17
> Plattenhüllen werden zwischengespeichert (762 von 762) Beendet 00:02:33
>
> Social Music Discovery phase 1/2 (13090 von 13090) Beendet 01:14:35
> Social Music Discovery phase 2/2 (713 von 713) Beendet 00:14:30
>
--------------------
> >
>
> In other words:
> SBS Scan (7.6.2): 00:19:54
> SMD Scan: 01:29:05
>
> So the SMD scan took 4.5x as long as the SBS one.
>
> And that's a dual core MacBook Pro with 8GB RAM.
>
Do you have anything special in your tagging ?
What file types ?
Like a lot of extra metadata which isn't scanned by the normal SBS
scanner ?
It might also be good to know that SMD import is a lot slower if you do
a full import using the "Full Import" button in the SBS
Settings/Advanced/Social Music Discovery page, compared to if you just
let it be triggered by the SBS scan. The performance is the same the
first time but the second time it's triggered by the SBS scanner it's
faster because it only stores meta data for new files. It still
calculates the SMD identity checksum for all files, so it's not a fully
incremental scanning, but the first SMD import phase will be faster
since it doesn't have to store and parse the meta data of most of the
files.
Also, for FLAC files the SMD identity checksum calculation is really
fast as it just read the checksum already available in the FLAC format
while it for other file formats need to calculate the checksum each
time it imports a file.
If you run it again, take a look at the CPU usage and check if most of
the CPU usage is in the perl process or the java process. SMD identity
calculation and tag reading happens in the perl process while the java
process interprets the metadata and stores it in the database.
--
erland
Erland Isaksson ('My homepage' (http://erland.isaksson.info))
(Developer of 'many plugins/applets'
(http://wiki.slimdevices.com/index.php/User:Erland). If my answer
helped you and you like to encourage future presence on this forum
and/or third party plugin/applet development, 'donations are always
appreciated' (http://erland.isaksson.info/donate))
Interested in music discovery ? See 'Social Music Discovery (SMD)'
(http://forums.slimdevices.com/showthread.php?p=656713) project.
------------------------------------------------------------------------
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View this thread: http://forums.slimdevices.com/showthread.php?t=90278
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