I'm running a Red Hat Linux 7.2 i386 machine as an application server
for a set of thin X-terminals. The thin clients are booted using LTSP
(etherboot) and use KDE as their desktop. They run 2.4.9 kernels and
have their root file systems mounted using NFS. X runs locally and apps
are run on the application server. I am sure people on this list knows
all about this type of setup.
I've seen lockups and poor performance form the clients at this server,
which have not been evident on other machines running differernt Linux
distros. The syslog of the server showed frequent messages of the form
fam X write error: broken pipe
where X was an increasing integer.
I disabled the xinetd-based sgi_fam service and the performance went
through the roof, no more lockups.
I'm sure there is an explanation to this, and I was wondering if anyone
here knows it. Also, if fam is desirable, can I tune it somehow
(pam.conf says local_only is ignored when run through inetd)?
As far as I can tell, fam is used to notify client programs that files
have changed so they can update displays etc. But Konqueror still
updates its panel if I e.g. create a new directory. It seems I miss no
functionality and add performance by not using fam. What am I missing?
Any comments appreciated.
--
Mvh Ragnar Wisløff
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life is a reach. then you gybe.
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