I have searched for a ping for the ajp protocol ( https://tomcat.apache.org/connectors-doc/ajp/ajpv13a.html ) and found some http://lmgtfy.com/?q=ajpping.
From my point of view they have some weakness.
- not accurate enough for the current it environments
- don’t measure the operations
- don’t write a graph-able line out
Due to these facts I have used jffry’s ( http://www.perlmonks.org/?node_id=766945 ) script as base for my extended version.
With the output line
%Y-%m-%d %T host %s ip %s port %s connect %f syswrite %f sysread %f timeouted %d timeout %d good_answer %d
you can easily create a picture with your preferred tool ( gnuplot, splunk, excel, R, …)