LINUX.IE, website of the Irish Linux Users' Group
Tux rules!

   
Home
New Users
Articles
Download
Projects
Community
Vendors

  Print Version
Email to...
 
Archives:


planetILUG

Recent News

News Archive


Join the
ILUG
on FaceBook


Join the
ILUG
on LinkedIn


Join the
ILUG SETI
Group



















 
 :: Mailing Lists

[ILUG] Bigger pipes...

[ILUG] Bigger pipes...

David Murphy drjolt+ilug at redbrick.dcu.ie
Wed Apr 25 19:01:18 IST 2001


Quoting <20010425174109.B70E02BD25 at thalassa.netnoteinc.com>
by Justin Mason <jm at netnoteinc.com>:

> 
> kevin lyda said:
> 
> > since nfs allows for caching, uses larger buffers and uses udp, i'm a
> > bit lost on the "extra overhead" argument.  not sure who mentioned it,
> > but i'm curious as to a justification for the comment.
> 
> 'twas me...
> 
> It's actually old advice from Solaris, so it may not apply to Linux as
> much, but basically, it makes sense:
> 
>   - let a process on one machine read the file sequentially, which is more
>     likely to be optimised than the NFS-read case (only slightly more
>     likely, but...);
> 
>   - then use TCP, which, I thought, was more likely to be good for big
>     blats over a local LAN than UDP.
> 
> Might be wrong about the latter though.  (and judging by Kenn's results,
> yes I am ;)

I just tried with a pair of Solaris systems, which default to NFS3
over TCP, and NFS was still faster than netcat.

-- 
"Where am I supposed to find coelacanths at this time of day?"
"Process doesn't concern me. I'm a high level thinker."
http://www.goats.com/comix/0012/goats001213.gif
David Murphy - For PGP public key, send mail with Subject: send-pgp-key




More information about the ILUG mailing list
Read this without the formatting.
                                                                                                    

 

Hosted by HEAnet


Maintained by the ILUG website team. The aim of Linux.ie is to support and help commercial and private users of Linux in Ireland. You can display ILUG news in your own webpages, read backend information to find out how. Networking services kindly provided by HEAnet, server kindly donated by Dell. Linux is a trademark of Linus Torvalds, used with permission. No penguins were harmed in the production or maintenance of this highly praised website. Looking for the Indian Linux Users' Group? Try here. If you've read all this and aren't a lawyer: you should be!
RSS Version
Powered by Dell