MailScanner lock up Problem

[Denis Beauchemin]

Steve Freegard a écrit :
>
> Sure - the nscd supplied with RedHat EL3/4 for a while was rather 
> buggy (they might have fixed it now though - I'm not sure) when under 
> heavy load.
>
> As nscd is 'hooked' into glibc at a low-level (e.g. intercepting all 
> getpwnam, gethostbyname et al. calls) when it fails it fails in a big 
> way and causes lots of things to block waiting on the nscd socket 
> (e.g. ls etc.) and the only way I found to fix is a reboot as the 
> system gets too hosed to be able to do anything else.
>  

I use nscd on my RHEL5 boxes and I can tell you that it's still broken!  
I use a cron job (checks every 15 minutes) to restart it whenever it 
disappears, which is quite often!  I should have put it into inittab but 
didn't take the time...

Sometimes nscd is still running but not really doing its job...  I have 
to kill and restart it manually...

But I never had to reboot to correct the problem.

Denis

-- 
   _
  °v°   Denis Beauchemin, analyste
 /(_)\  Université de Sherbrooke, S.T.I.
  ^ ^   T: 819.821.8000x62252 F: 819.821.8045


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