Re: [OpenAFS] WAN speed

2012-03-22 Thread Lars Schimmer
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 2012-03-22 00:53, jukka.tuomi...@finndesign.fi wrote: Forgot one thing: ... For me the slowness in WAN is about latency. ... I've tried to address this with faster DNS, installing BIND etc, but with no notable improvement. Is this

Re: [OpenAFS] Re: [OpenAFS-announce] OpenAFS 1.7.8 released for Microsoft Windows

2012-03-22 Thread Thomas Sesselmann
Hello Derrick, Am 16.03.2012 14:32, wrote Derrick Brashear: the human who generates the web page failed to. said human has just fixed it. thanks a lot :) best regards Thomas Sesselmann -- Thomas Sesselmann, Dipl.-Inf. Friedrich-Schiller-Universität Jena

Re: [OpenAFS] WAN speed

2012-03-22 Thread chas williams - CONTRACTOR
On Thu, 22 Mar 2012 08:42:16 +0100 Lars Schimmer l.schim...@cgv.tugraz.at wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 2012-03-22 00:53, jukka.tuomi...@finndesign.fi wrote: Forgot one thing: ... For me the slowness in WAN is about latency. ... I've tried to address

[OpenAFS] Re: WAN speed

2012-03-22 Thread Andrew Deason
On Thu, 22 Mar 2012 10:18:44 -0400 chas williams - CONTRACTOR c...@cmf.nrl.navy.mil wrote: but besides this limit, there is also another determining factor in rx. rx, like tcp, negotiates a window of data to send before waiting for an ack from the other side which lets me data get sent. if

Re: [OpenAFS] Re: WAN speed

2012-03-22 Thread Simon Wilkinson
On 22 Mar 2012, at 15:09, Andrew Deason wrote: On Thu, 22 Mar 2012 10:18:44 -0400 chas williams - CONTRACTOR c...@cmf.nrl.navy.mil wrote: but besides this limit, there is also another determining factor in rx. rx, like tcp, negotiates a window of data to send before waiting for an ack

[OpenAFS] Re: WAN speed

2012-03-22 Thread Andrew Deason
On Thu, 22 Mar 2012 15:20:20 + Simon Wilkinson simonxwilkin...@gmail.com wrote: That limit is imposed because it is the point at which the current RX implementation loses the queue efficiency/throughput tradeoff. You can run with a larger window size, but it will actually make things go

Re: [OpenAFS] Re: WAN speed

2012-03-22 Thread Simon Wilkinson
On 22 Mar 2012, at 15:23, Andrew Deason wrote: On Thu, 22 Mar 2012 15:20:20 + Simon Wilkinson simonxwilkin...@gmail.com wrote: That limit is imposed because it is the point at which the current RX implementation loses the queue efficiency/throughput tradeoff. You can run with a larger

Re: [OpenAFS] Re: WAN speed

2012-03-22 Thread Jeffrey Altman
The lacks large window sizes is unlikely the issue in this case. The use case is reading large numbers of small files which require a separate RPC for each object. An 8MB window size won't help when the file sizes are small and the number of files is large. The RPC latency * number of RPCs

Re: [OpenAFS] Re: WAN speed

2012-03-22 Thread jukka . tuominen
Hi all, here are some ping results outside LAN: 1.62 1.80 1.62 2.33 1.69 1.64 1.75 2.35 5.77 3.85 4.69 2.73 ... The internet speed is the same 100/5. I just moved ~20M/~2000 files AFS to SSH server ~220KB/s SSH server to AFS ~80KB/s The client was in WAN this time, whereas

[OpenAFS] Re: WAN speed

2012-03-22 Thread Andrew Deason
On Thu, 22 Mar 2012 21:43:50 +0200 (EET) jukka.tuomi...@finndesign.fi wrote: I just moved ~20M/~2000 files Do you mean each file is 20M? Or you moved 2000 files, and added together they form 20M of data in total? AFS to SSH server ~220KB/s SSH server to AFS ~80KB/s The client was in

Re: [OpenAFS] Re: WAN speed

2012-03-22 Thread Jeffrey Altman
On 3/22/2012 3:43 PM, jukka.tuomi...@finndesign.fi wrote: Hi all, here are some ping results outside LAN: 1.62 1.80 1.62 2.33 1.69 1.64 1.75 2.35 5.77 3.85 4.69 2.73 ... The internet speed is the same 100/5. I just moved ~20M/~2000 files AFS to SSH server ~220KB/s

Re: [OpenAFS] Re: WAN speed

2012-03-22 Thread jukka . tuominen
On Thu, 22 Mar 2012 21:43:50 +0200 (EET) jukka.tuomi...@finndesign.fi wrote: I just moved ~20M/~2000 files Do you mean each file is 20M? Or you moved 2000 files, and added together they form 20M of data in total? 20M in total AFS to SSH server ~220KB/s SSH server to AFS ~80KB/s

Re: [OpenAFS] Re: WAN speed

2012-03-22 Thread jukka . tuominen
I tried turning off encryption, but it didn't make a notable difference with either file transfer test br, jukka On Thu, 22 Mar 2012 21:43:50 +0200 (EET) jukka.tuomi...@finndesign.fi wrote: I just moved ~20M/~2000 files Do you mean each file is 20M? Or you moved 2000 files, and added