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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
http://www.sunfreeware.com/programlistsparc8.html#egd
http://www.sunfreeware.com/programlistsparc8.html#prngd
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- ChecksumDatabase more details wanted, /dev/random draining, Baker, Darryl, 2005/05/17
- RE: ChecksumDatabase more details wanted, /dev/random draining, Baker, Darryl, 2005/05/18
- RE: ChecksumDatabase more details wanted, /dev/random draining, Baker, Darryl, 2005/05/19
- RE: ChecksumDatabase more details wanted, /dev/random draining,
Eric Sorenson <=