Settings for parameter file-max

Kaski, Samuli samuli.kaski at
Tue Sep 17 16:36:50 MET DST 2002

Use lsof to see what is opening so many files. If it is d+w (the SAP R/3
work process) try to debug in R/3. Could be spool files, job logs, take your
pick. It could be normal though or then you have a problem somewhere. If it
is a normal sizing issue, I would assume SAP would have written a note about
-----Original Message-----
From: Stephen.Martin at [mailto:Stephen.Martin at]
Sent: 17. syyskuuta 2002 16:14
To: linux.general at
Subject: Settings for parameter file-max

Hello everyone,
We are running Linux application servers in production on SLES7 and IBM
hardware.  We have had to change the kernel parameter file-max from the
default of 4096 due to getting errors with the number of open files.  We had
adjusted this to 8192 and everything seemed to be OK, but now we are getting
errors again.  Does anyone have a rule of thumb for this parameter?
Stephen Martin
Senior System Administrator
Group Data Center Americas
Stephen.Martin at <mailto:Stephen.Martin at> 

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