[Dovecot] load increase after upgrade to 2.0.8

Ralf Hildebrandt Ralf.Hildebrandt at charite.de
Fri Dec 10 09:39:31 EET 2010


* Timo Sirainen <tss at iki.fi>:

> Cor's debugging has so far shown that a single epoll_wait() call can
> sometimes generate a few thousand voluntary context switches. I can't
> really understand how that's possible. Those epoll_wait() calls about
> half of the total voluntary context switches generated by imap
> processes. We'll see tomorrow if poll() works better or if a small
> patch I made makes it better.

That sounds promising :)

-- 
Ralf Hildebrandt
  Geschäftsbereich IT | Abteilung Netzwerk
  Charité - Universitätsmedizin Berlin
  Campus Benjamin Franklin
  Hindenburgdamm 30 | D-12203 Berlin
  Tel. +49 30 450 570 155 | Fax: +49 30 450 570 962
  ralf.hildebrandt at charite.de | http://www.charite.de
	    


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