100% CPU long-running children

Ralf Hildebrandt Ralf.Hildebrandt at charite.de
Mon Jun 8 10:50:31 CEST 2015


* E.B. <emailbuilder88 at yahoo.com>:
> No response??
> 
> > I recently found two amavis child processes on one of our mail servers
> > using 100% of one CPU and running for a very long time. Some questions:
> >
> > 1. Why would this happen?
> > 2. Isn't there a safeguard against this?

Usually amavisd-nanny would recognize those and kill them

> > 3. What's best way to handle this situation?
> > 4. How to best monitor this in the future?
> > 4a. General (non-amavis-specific) server monitor (nagios?) would probably
> > have helped identify this earlier. Suggestions for that are invited
> >
> > I left the processes running for now in case there is anything I can do
> > with them to get useful information about them. In ps, they look like
> > this:
> >
> > 2792 ?        R    70151:33 amavisd (ch12-02792-12)
> > 11348 ?        R    14120:41 amavisd (ch20-11348-20)
> 
-- 
Ralf Hildebrandt                   Charite Universitätsmedizin Berlin
ralf.hildebrandt at charite.de        Campus Benjamin Franklin
http://www.charite.de              Hindenburgdamm 30, 12203 Berlin
Geschäftsbereich IT, Abt. Netzwerk fon: +49-30-450.570.155


More information about the amavis-users mailing list