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Faster on Windows than Linux

Posted: January 20th, 2010, 5:03 am
by DragonSpawn
Hey.
I have been using sabnzbd for quite some time and I have noticed that I am getting much better speeds when I run it on windows.
I get about 2MB/sec on linux (tried on debian and ubuntu) but on windows it spits out over 6MB/sec without a hitch.
Its on the same computer with identical settings.

Any theories as why it is like this? Currently I am using the latest beta (0.5.0 beta 6) but I have experienced this on the latest stable as well.
I have used other usenet applications on linux and they show the same high speed as sabnzbd on windows, so there is something about the linux version that my little server does not like.

Re: Faster on Windows than Linux

Posted: January 20th, 2010, 8:14 am
by shypike
I don't know what kind of system you are talking about.
On my Linux Mint system running on a 4 year old Pentium IV , I get about 6MByte/sec,
which is a about the same as on my Windows Home Server running on a Atom270.

There are all sorts of reasons possible.
About 80% of the execution time is taken by Python libraries.
These are not under our control.
Did you install the yEnc module? That's a crucial one to get any performance.
If SABnzbd cannot find it, it will use its own Python-level decoder (which sucks of course).