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Synchronize speed very slow (0.1 object/sec)
Dickster
#1 Posted : Friday, 17 June 2011 2:06:08 PM(UTC)
Rank: Newbie

Joined: 6/12/2010(UTC)
Posts: 2

Just installed the 2.5 version of the gallery.

Gallery consists of approx. 10k of photo's (2,5-3,5 MB each). When synchronising i get a speed of 0.1 object a second.

I remeber faster synchronising under previous versions of the gallery.

I ran the gallery on a slow machine (atom 1,6 Ghz and 2 GB of RAM).

Is this normal or is there a possible setting to speed up the synchronisation proces.
Roger Martin
#2 Posted : Friday, 17 June 2011 9:30:02 PM(UTC)
Roger Martin

Rank: Administration

Joined: 3/08/2007(UTC)
Posts: 3,300
Location: Fort Atkinson, WI

I have found SQL CE to be somewhat slower than both SQLite and SQL Server. I just ran some tests where I sync'd 137 images that averaged 2.6 MB each.

GSP 2.5.0, SQL CE: .4 files/second
GSP 2.4.8, SQLite: .6 files/second
GSP 2.4.8, SQL Server: .5 files/second
GSP 2.5.0, SQL Server: .6 files/second

Notice that SQLite and the 2.5.0 version of SQL Server are about 50% faster than SQL CE.

Remember that these performance numbers would vary widely depending on they type of media objects you are processing. During a sync, most of the work is building thumbnail and optimized images - the database communication is a relatively small part of that. The bigger your images, the more this is true (for example, syncing a bunch of 50 MB images would take over 99% of the processor time just to process the image files).

For the ultimate in performance, you may want to use SQL Server, including the free SQL Server Express. I haven't explicitly tested Express, but I would expect numbers similar to SQL Server.
Roger Martin
Creator and Lead Developer of Gallery Server Pro
Dickster
#3 Posted : Saturday, 18 June 2011 4:19:23 AM(UTC)
Rank: Newbie

Joined: 6/12/2010(UTC)
Posts: 2

Thanks for the answer. I returned to the 2.4 version and the speed's increased significantly.

I have speeds of 0.3-0.9 depending on files.

I will stay with the 2.4.8 version for now.
Hyde
#4 Posted : Saturday, 18 June 2011 6:42:42 AM(UTC)
Rank: Advanced Member

Joined: 7/11/2008(UTC)
Posts: 65
Location: UK

Same slow response here. Also received numerous HTTP 12002 sync errors. Ironically more of these running a browser via RDP on the server where the app and files exist than running a browser wirelessly from my laptop.
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