diff -r 64825bf93a81 -r 5d3d6a4a6c9d index-week.html --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/index-week.html Thu Nov 06 15:14:14 2008 +0100 @@ -0,0 +1,56 @@ +<html> +<body> +<!-- +-rw-r--r-- 1 ahu ahu 12918 2006-03-18 23:51 /var/www/caches-week.png +-rw-r--r-- 1 ahu ahu 13174 2006-03-18 23:51 /var/www/load-week.png +-rw-r--r-- 1 ahu ahu 12728 2006-03-18 23:51 /var/www/qoutq-week.png +-rw-r--r-- 1 ahu ahu 12939 2006-03-18 23:51 /var/www/questions-week.png +-rw-r--r-- 1 ahu ahu 12913 2006-03-18 23:51 /var/www/timeouts-week.png +--> +<h1>PowerDNS Recursor Performance Graphs</H1> +<table border=1> +<tr><td>Questions</td><td>End-user initiated DNS questions</td></tr> +<tr><td>Out-queries</td><td>Recursor initiated questions to other +nameservers</td></tr> +<tr><td>Throttled</td><td>If a certain nameserver is not responding, or if +it is, but returning unuseful answers, it is not useful to keep repeating +identical queries. If PowerDNS prevents a duplicate query, and therefore +prevents needless server load and delays, this is called a 'throttled +out-query'</td></tr> +<tr><td>Outgoing timeout</td><td>An out-query that did not generate an +answer within 1 or 2 seconds</td></tr> +<tr><td>Noerror answer</td><td>A Question that was answered without an error +status</td></tr> +<tr><td>NXDOMAIN answer</td><td>A Question that was answered with a positive +indication that there is no answer</td></tr> +<tr><td>SERVFAIL answer</td><td>No answer could be given because the nameservers +carrying the answer did not respond, or were throttled</td></tr> +<tr><td>Cache hits/misses</td><td>A query is judged a cache-hit if it could +be answered without generating any out-queries</td></tr> +<tr><td>User/System CPU usage</td><td>Actual amount of CPU used exclusively +by the recursor, either in user or in system (kernel) mode</td></td> +</table> +<img src="latencies-week.png"> +<br> +<img src="qa-latency-week.png"> +<br> +<img src="qoutq-week.png"> +<br> +<img src="timeouts-week.png"> +<br> +<img src="questions-week.png"> +<br> +<img src="tcp-questions-week.png"> +<br> +<img src="caches-week.png"> +<br> +<img src="caches2-week.png"> +<br> +<img src="load-week.png"> +<br> +<img src="hitrate-week.png"> +<br> +<img src="packet-errors-week.png"> + +</body> +</html>