[Unbound-users] High number of system context switches

Paul Wouters paul at nohats.ca
Thu Apr 10 18:08:45 UTC 2014

On Thu, 10 Apr 2014, Robert Edmonds wrote:

> Also, I notice unbound-1.4.21-1.el6.x86_64 appears to use an old version
> of libevent:
> linked libs: libevent 1.4.13-stable (it uses epoll), ldns 1.6.16, OpenSSL 1.0.0-fips 29 Mar 2010
> IIRC, there are substantial performance improvements in libevent 2.x.

RHEL6 has libevent 1.4.x. RHEL7 will have libevent 2.x

Perhaps run a test with unbound from the RHEL7 beta image and see if
this make a difference?


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