On 11/06/2015 5:16 a.m., Sebastian Goicochea wrote:
Hello everyone, I just have a quick question
Is there any difference in how Squid 3.5 measures DNS Service Time
compared to 2.7 branch?
We monitor this value using SNMP and it has been nearly 0 for months,
but after the upgrade it went up to 6ms (with 8ms peaks)
All other Service times have varied but apparently they improved
Here's the graphic: http://imgur.com/4pCK3cY
Not that I know of, but there is both more and less being done.
The more:
* IPv6 support adds an lookup.
* CVE-2009-0801 protection for intercepted traffic requires A+
lookup in situations which may previously not done any at all.
* hosts without FQDN may now have a .local variant looked up.
The less:
* re-sends of HTTP messages no longer perform full lookups on each
outbound connection attempt. Just one set per message now.
* .local domains no longer have any global DNS lookups. multicast-DNS is
used instead.
Amos
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