Speed problem

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flootje
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Joined: November 25th, 2010, 12:25 pm

Speed problem

Post by flootje »

Version: 0.5.6 final
OS: Windows 7 Home Premium
Install-type: Windows Installer
Skin (if applicable): Default
Firewall Software: Eset Smart Security
Are you using IPV6? no
Is the issue reproducible? yes
Connection: 120Mbit
News Provider: Astraweb 12 connections


Hey guys,

I'm having problems with my download speed. At first I was not able to get my speed over 8MB/s.
I just read the speedtips and set the article cache to 120M.
Speed is now up to 10MB/s. Switching off my firewall did not make any changes. Neither did changing the ports or servers. Also tried using more or less connections, no effect.
When I download something using firefox I get perfect speed, Up to 14 MB/s.
I have some friends that also use astraweb and they do not have any problems.
I'm pretty much lost here so I hope you can help.

Thanks in advance,

Florentyn
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shypike
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Joined: January 18th, 2008, 12:49 pm

Re: Speed problem

Post by shypike »

What makes you think Astraweb gives you this speed?
The actual performance is determined by many factors, of which SABnzbd itself is only one.
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inpheaux
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Re: Speed problem

Post by inpheaux »

When are you downloading? I've seen people complain that speeds on Astraweb take a dive starting at around 7PM ET.
flootje
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Re: Speed problem

Post by flootje »

@shypike: My friends have the same astraweb account, ISP and use SABnzbd. Since they do not have problems, I would expect no problems for my aswell. I've gone over a lot of things trying to figure it out. Since I can actually download on full speed if I download something trough firefox, I thought there might be something I had missed in my SABnzbd settings or something else I should change.

@inpheaux: I live in Holland and have been getting these speeds throughout the day. On all servers. I normally use the eu-ssl server.

BTW thanks for your fast replies
flootje
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Re: Speed problem

Post by flootje »

Problem was with Astraweb. Got it sorted out after testing a gazillion different ports and servers. Thanks for the help
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jollande
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Location: Aus

Re: Speed problem

Post by jollande »

really... so what was the exact resolution?
Last edited by jollande on November 27th, 2010, 12:33 am, edited 1 time in total.
flootje
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Re: Speed problem

Post by flootje »

For some reason the ssl connections where slow. Now I'm using the non ssl european servers.
Speed was around 8MB/s now its in between 10 and 13.
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jollande
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Re: Speed problem

Post by jollande »

ahh, so i'll go and try the non ssl as well.
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shypike
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Re: Speed problem

Post by shypike »

SSL means overhead on the server side, but also some on the SABnzbd side.
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jollande
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Location: Aus

Re: Speed problem

Post by jollande »

well, making those changes made no difference to my speeds  :(
iDVB
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Re: Speed problem

Post by iDVB »

I have also tried both Astraweb and Supernews and tried regular and SSL connections but I can't seem to get any speed higher then 1.5MBs?
Shouldn't I be getting closer to 3.1MBps less the overhead?


Version: 0.5.6 final
OS: Ubuntu 10.10 Maverick
Install-type: ppa:jcfp/ppa
Skin (if applicable): Plush
Firewall Software: SMCD3GN Router / no software firewall that I know of (unless Maverick uses something out of the box)
Are you using IPV6? no
Is the issue reproducible? yes
Connection: 25Mbps
News Provider: Astraweb 2-20 connections
News Provider: Supernews 2-30 connections
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shypike
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Re: Speed problem

Post by shypike »

The speed is unlikely to reach 3.1MBytes/sec when you have a 25Mbit/sec link.
Does your ISP actually deliver this speed?
How fast is your system? SABnzbd isn't the fastest program, but even with
a decent Atom CPU you should be able to get upto 5MBytes/sec.
Make sure you have the article cache enabled, otherwise your disk will be a limiting factor.
iDVB
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Re: Speed problem

Post by iDVB »

shypike wrote: The speed is unlikely to reach 3.1MBytes/sec when you have a 25Mbit/sec link.
Does your ISP actually deliver this speed?
How fast is your system? SABnzbd isn't the fastest program, but even with
a decent Atom CPU you should be able to get upto 5MBytes/sec.
Make sure you have the article cache enabled, otherwise your disk will be a limiting factor.
Yes my ISP connection is 25Mbsp (megabits) and I have confirmed using SpeedTest.net
Image
My System:  ZBOXHD ID11 w 2GB RAM  ( http://goo.gl/eIrF )
OS on:  Internal 30GB SSD
Download Directory on:  External 7400RPM 2TB eSata HD
Article Cache: 256M

I should be getting 5.0MBps (megabytes)?? Are my calculations wrong? I was using Google and it says 25Mbps (megabits) == 3.12500 MBps (megabytes)
Eg. 1 Mbps = 0.125 MBps


UPDATE - Weird... Over at DSLReports.com I'm only getting 16Mbps
Image
Last edited by iDVB on December 14th, 2010, 4:05 pm, edited 1 time in total.
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shypike
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Re: Speed problem

Post by shypike »

Many ISP's fool you by tricks as "boost".
I.e. they give you high speeds for short periods on new
channels and drop the speed later.
Usenet connections happen to be open for long times, unlike HTTP connections.

I suggest you try another Usenet client to test whether SABnzbd is the problem or not.
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