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Public transport across Wiltshire is truly appalling - after the 06:15 train from Swindon to Salisbury, there isn't another until 18:45, and if you catch the bus or make a dogleg train journey via Bath or via Reading (the two routes off ....
Would you like to see how your web site performs under load? I mentioned ApacheBench (ab) in a recent post, but you can also use a tool like Jmeter. And although Jmeter is written in and runs in Java, you can use it to look at the performance of other servers and network resources too.
In fa ....
BEWARE - this first is a "shows you how" and is insecure ... I am doing the demo this way because the security requirements add various issues that would complicate the first demonstration of principle.
1. Set up your SERVER to allow jmx remote connections on an otherwise unused port - we have done ....
jconsole lets you monitor Tomcat or another Java application so that you can see how much memory is in use, how many threads you have running, how many classes, etc.
Here's an example of a Tomcat server that was sitting virtually unused ... which we then exercised through ApacheBench - the ab util ....
When you're running a dynamic application (and most of the languages we teach these days are dynamic), memory is allocated and released as necessary at run time, with allocation happening 'as required' and being released from time to time by a garbage collector - there is no point is collecting a fe ....
I got an email from a delegate I trained ten years ago - which goes to show just how long a week of training can be remembered. He wrote "I was trying to figure out how to return EOF in Java when Google showed site Well House. Well, I couldn't remember where I learned Perl but now I do! Sometime i ....
Does it seem odd to you that Apache Tomcat is a web server ... and yet the majority of sites run with another web server - Apache httpd - in front of it. Why do they do it?
There's a whole host of reasons! They including better logging, load balancing, security, speed of serving static pages such ....
Who are our hotel customers at Well House Manor? We have several distinct groups, and the question comes "how do we arrange our advertising to suit them all?" ... we really don't want guests who are visiting Melksham to attend a wedding at the weekend or meet up with family to be put of by our "b ....
Duncan Hames, our "Lib-Dem" candidate for the new Chippenham / Melksham / Bradford-on-Avon seat at the next election, is a keen supporter of our campaign to provide an appropriate train service across Wiltshire ... he's pictured here at the station the other week.
And he's braver than me - he's run ....
Should we run training courses during the week, or at weekends?
Our 'traditional' business has been 80% + employees of companies, government organisations and educational establishments who have wanted weekday courses, with the remaining fifth being independents and contractors who are somewhat fle ....