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RE: ChecksumDatabase more details wanted, /dev/random draining

From: Eric Sorenson
Subject: RE: ChecksumDatabase more details wanted, /dev/random draining
Date: Thu, 19 May 2005 11:24:05 -0700 (PDT)

On Thu, 19 May 2005, Baker, Darryl wrote:

> There really is no error message. The system uses a lot of ssh for custom
> monitors. What we find is that during the time of the semi-hourly cfengine
> run the load average spikes and we get a lot of the ssh processes as well as
> the cfservd threads spinning on a kernel semaphore related to /dev/random.
> Pumping /dev/random with more pseudo random data relieves the load somewhat.

You can use PRNG or EGD as a randomness source, so you don't block on 
generating new entropy. /dev/urandom is a nice workaround but there 
isn't such thing on solaris afaik

 - Eric Sorenson - N37 17.255 W121 55.738 - -
 - Personal colo with a professional touch - -

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