For question 1: “Loading” is a function of the web site not DNS. Your first question could have to do what the default site is in your web configuration and what kind of rewrite rules are getting you to the other.
If it were me I’d probably do some timed “host” or “dig” commands for the two records to verify name resolution itself wasn’t a problem. I guess it MIGHT be a minutely slower to resolve www if it is a CNAME to the other as opposed to both being A records. However, since this is a fairly common practice I doubt it is likely to be of major importance in overall timing. From: bind-users-bounces+jlightner=water....@lists.isc.org [mailto:bind-users-bounces+jlightner=water....@lists.isc.org] On Behalf Of Adamiec, Lawrence Sent: Monday, November 26, 2012 1:13 PM To: bind-users@lists.isc.org Subject: Re: Performance tuning To the best of my knowledge, there are no problems with our DNS. We only host 25 domains. The report must also address these two specific questions: 1. Why does www.kentlaw.iit.edu<http://www.kentlaw.iit.edu> load quicker than kentlaw.iit.edu<http://kentlaw.iit.edu> in any browser? 2. What happens if we remove the forwarders option from named.conf? I can't duplicate the issue in Q1 and I'm trying to determine a way of testing Q2. Larry On Mon, Nov 26, 2012 at 11:39 AM, Doug Barton <do...@dougbarton.us<mailto:do...@dougbarton.us>> wrote: What a delightfully vague requirement. :) I would push back a bit on exactly what problems are attempted to be solved here. The BIND defaults are about as efficient as they can be, especially so in later versions. Doug On 11/26/2012 11:01 AM, Adamiec, Lawrence wrote: > Hi, > > I have been tasked with authoring a DNS report "to achieve optimal > performance." The report must include: > > CPU usage > memory usage > bandwidth usage > throughput > latency > > I have found some information regarding the number of queries processed > per minute but nothing of value for the above areas. > > Is there some documentation that discusses the above areas? > > We are running BIND 9.6-ESV-R5-P1, Solaris 10 on a SPARC server. My > report will include the fact we must upgrade from BIND 9.6-ESV-R5-P1 > > Thank you in advance. > > Larry > > Lawrence Adamiec > UNIX Mgr > IIT Chicago-Kent College of Law Athena®, Created for the Cause™ Making a Difference in the Fight Against Breast Cancer How and Why I Should Support Bottled Water! Do not relinquish your right to choose bottled water as a healthy alternative to beverages that contain sugar, calories, etc. Your support of bottled water will make a difference! Your signatures count! Go to http://www.bottledwatermatters.org/luv-bottledwater-iframe/dswaters and sign a petition to support your right to always choose bottled water. Help fight federal and state issues, such as bottle deposits (or taxes) and organizations that want to ban the sale of bottled water. Support community curbside recycling programs. Support bottled water as a healthy way to maintain proper hydration. Our goal is 50,000 signatures. Share this petition with your friends and family today! --------------------------------- CONFIDENTIALITY NOTICE: This e-mail may contain privileged or confidential information and is for the sole use of the intended recipient(s). If you are not the intended recipient, any disclosure, copying, distribution, or use of the contents of this information is prohibited and may be unlawful. If you have received this electronic transmission in error, please reply immediately to the sender that you have received the message in error, and delete it. Thank you. ----------------------------------
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