[Beowulf] since we are talking about file systems ...
Joseph Mack NA3T
jmack at wm7d.net
Tue Jan 17 13:10:07 EST 2006
On Tue, 17 Jan 2006, Joe Landman wrote:
> Ok, thats better, but still not where we need. More importantly, we had to
> turn off the only protection we have against viri and malware on this
> platform in order to achieve these results. You can be fast or you can be
> safe on this platform. You get to pick exactly one of these two options.
> Ok, now try CIFS (running on a *fast* SAMBA server). Had to add a "\\" to
> the sprintf to replace the "\" that worked in windows, which replaced the "/"
> which worked in linux.
> Ummm... going on 10 minutes now, and it still hasn't returned. Looks like it
> is creating 50-80 files per second. Running a quick ls in that directory
> from the file server itself shows about 36k files out of 50k.
Samba is slow - I've read that it waits for the writes to go
onto the disk, not just the OS to accept the write. You can
configure samba to not wait, but waiting is the default
Joseph Mack NA3T EME(B,D), FM05lw North Carolina
jmack (at) wm7d (dot) net - azimuthal equidistant map
generator at http://www.wm7d.net/azproj.shtml
Homepage http://www.austintek.com/ It's GNU/Linux!
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