[OpenAFS] BosConfig restarttime

[Stephen Repetski]

Now that our site actually has decent monitoring for servers, we
discovered (our previous AFS admin had never noticed it either) that
two of our BOS servers reboot every Sunday at 4am. Apparently nobody
had ever noticed the restarttime specified in the BosConfig, and so
they went about their business restarting every week. According to the
OpenAFS doc I found (http://docs.openafs.org/AdminGuide/ch04s09.html),
the weekly restart is "designed to minimize core leaks, which can
develop as a process continues to allocate virtual memory but does not
free it again. When the memory is completely exhausted, the machine
can no longer function correctly."

My question is this: how relevant is this restart with the current
stable (1.4.11) release of OpenAFS? Apparently this dates back to the
1.2.x days (correct me if I'm wrong), and the code base has definitely
undergone much rewriting since then. If it only helps with the memory
issue, we'll probably start testing without the weekly reboot and
attempt to compare RAM usages to see if it's really needed.

Thanks,
Trey

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Stephen (Trey) Repetski
skr3394@rit.edu
skrepetski@gmail.com