Package: openafs-fileserver
Version: 1.4.1-2
We had various performance-issues with 1.4.0, and during that
debugging we found out that the problem was made even worse by the
fact that the openafs fileserver is started without any tuning
options. Since our fileserver was initially installed using an older
package, this might be fixed now, and in that case I appologise.
The interesting line in /etc/openafs/BosConfig should be modified to
include:
parm /usr/lib/openafs/fileserver -p 23 -busyat 600 -rxpck 400 -s 1200 -l 1200
-cb 65535 -b 240 -vc 1200
The above tuning is recommended according to Harald Barth, for the
following reasons:
* It's unclear what the defaults are unless you dig into the source.
* Modern hardware have no problem with increasing buffers and threads
a bit.
* Having too few threads will cause your fileserver to stall if too
many threads ends up waiting for something (breaking callbacks and
timing out, whatever).
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