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Sample template to report internet dns's performance
The document discusses a single DNS server used by a 3G network to resolve URLs for commercial and third party access points, except for BB subscribers who use a different DNS. The server is located in-house and uses a Sun Microsystems SPARC Enterprise T5220 server with 6 CPUs of 8 cores each, 16GB of memory, and Bind 9.6.1-P3 software. Charts show the server's CPU utilization, free memory, and queries per second over time.
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Sample template to report internet dns's performance
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- 2. Internet DNS (AA.BB.CC.DD) Currently in3G Environment, there is only one DNS server to resolve user URL. It’s been used by both commercial (web) and 3rd party APNs. BB subscribers do not use this DNS to resolve URLs. It’s been configured and maintained in-house. The server is located in XXX Location. JULY 2012
- 3. Internet DNS (AA.BB.CC.DD) (cont.) ServerHW/SW Spécification: Sun Microsystems SPARC Enterprise T5220 CPU Type: SPARC sun4v Number of CPUs: 6 Number of Cores (per CPU): 8 Memory size: 16256 Megabytes i.e. 16 GB Bind (DNS) Software Version: 9.6.1-P3 JULY 2012
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Editor's Notes
- #5 When cpu is 0% idle, that means it is heavy loaded and 100% idle means it is doing nothing. A system running at 100% CPU can still be quite responsive since CPU time is split relatively fairly among competing processes according to their priority levels. Two competing processes at the same priority level will split time 50/50. Or if they have different priority levels the higher-priority process will get the majority of the time.
- #6 %Free Memory utilization of the server is low. During busy hour Free memory remains around 70%.
- #7 Query Per Second of Internet DNS indicates utilization of the DNS from subscriber’s perspective. Currently Maximum QPS [ SW Limit ] set to internet DNS is 20000 using bind configuration. From now onward, 15 Mins/hourly QPS statistics of internet DNS will be possible to report. Above slide shows the QPS of internet for Monday 10:45am to Tuesday 10:00am.