samba performance on uclinux embedded system
joyhong510 at yahoo.com.cn
Tue Apr 15 07:37:26 GMT 2003
We write a program to open a file and then write file
to test the IDE and got the IDE throughput 10.5M bps.
What is 'a 6-wide stripe' ?
We try to do zero-copy for file-open-write, just
something like zero-copy in linux tcpip stack. Any
Thanks a lot! Happy hacking!
--- David Collier-Brown -- Customer Engineering
<David.Collier-Brown at Sun.COM> µÄÕýÎÄ£º>
> hong joy wrote:
> > Hello,
> > Did anyone do some work on improving the samba
> > read/write performance?
> > We've got a board attached with an IDE hadisk,
> > samba 2.0.7 on uClinux(NOMMU) OS, the IDE
> > 10.5Mbps,ethernet speed: 16Mbps,Samba
> > file from WINDOWS PC to host board ):
> > working at 120MHz, system SDRAM 16Mbyte.
> > Could anyone help to figure out where the
> > is and how to tune it?
> > Thanks a lot!
> > Happy hacking...
> Even assuming a 10,000-rpm disk, you'll bottleneck
> disk I/O: a single disk head with the normal Unix
> elevator algorithm (ext2 or 3 fs) will peak out at
> about 800 KB/S, because the total sequential-read
> throughput can't be acheived, courtesy of all the
> seeking about. I'd reccomend about a 6-wide stripe
> or better.
> > hn
> > Do You Yahoo!?
> > ÑÅ»¢Í¨ÍøÂçKTV, ËæÊ±ËæµØÃâ·Ñ¿¨ÀOK~~
> David Collier-Brown, | Always do right.
> This will gratify
> Sun Microsystems DCMO | some people and
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> davecb at canada.sun.com
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