Messages in this thread | | | Date | Mon, 1 Aug 2011 21:06:36 -0400 | From | "J. Bruce Fields" <> | Subject | Re: [PATCH] sunrpc: use better NUMA affinities |
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On Sat, Jul 30, 2011 at 09:30:25AM +1000, NeilBrown wrote: > On Sat, 30 Jul 2011 06:34:44 +1000 Greg Banks <gnb@fastmail.fm> wrote: > > The "killall nfsd" semantics in those scripts are awful and lead to > > problems shutting down when there are lots of threads. It would > > probably be an improvement to provide a better shutdown mechanism and > > force distros to use it. > > rpc.nfsd 0 > > will stop all nfsd threads. Follow with > > exportfs -f > > and you should be done. I'm not 100% sure about the nfsv4 thread though - > would need to check. > > And yes - I would love it if distros could standardise on start/stop scripts > so upstreams could maintain them sensibly. This is my personal number 1 > reason for liking systemd - it pushes for this standardisation.
I can't remember if this is getting fixed in Fedora--probably not. We should fix it.
I'd also be fine with logging a deprecation message when someone signals an nfsd thread.
> > Or, you could preserve the effective semantics by having a single > > "nfsd" thread whose purpose is to notice that it's being signalled and > > perform a clean shutdown (perhaps blocking the thread doing the kill() > > call until the shutdown has completed). > > That's kinda neat. It would be an ugly wart to have to keep around, but > sometimes that the price we pay for "no regressions".
Yep; patch welcomed.
--b.
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