Monitoring

Summary

 Monitoring plugin: Monitoring of Hudson itself with JavaMelody. Open the report (or http://yourhost/monitoring) after installation.

Features

• Charts of memory, cpu, system load average, http response times by day, week, month, year or custom period
• Statistics of http requests with mean response times, mean cpu times, mean response size by request and by day, week, month, year or custom period
• Errors and logs
• Current http requests
• Threads
• Heap histogram (instances and sizes by class)
• Process list of OS
• Report in html or pdf
• In English or French
• Hudson security
• And more...

Online help of JavaMelody

Plugin Information

Release notes

1.19.0

• fix NumberFormatException requesting process information.
• fix (removed) jndi link in Winstone.
• added debugging logs.

1.18.0

• other minor bugs fixed.

1.17.0

• some minor bugs fixed.

1.15.1

• change to reduce disk usage: Some common http requests are now aggregated in statistics, for example on build numbers.

The javamelody.http-transform-pattern parameter has now the default value of

/\d+/|/site/.+|avadoc/.+|/ws/.+|obertura/.+|estReport/.+|iolations/file/.+|/user/.+|/static/\w+/

and all matches in http URLs will be replaced by "$". Note that it is possible on each Hudson server to change the value of this parameter with a system property -Djavamelody.http-transform-pattern=xxx in the java command line.

1.15.0

• added: If the server has the servlet api 3.0 (JavaEE 6), then display the graphic of the number of http sessions and display the list of current http sessions
• change to reduce disk usage: Graphics in http errors and in errors logs are no longer displayed

1.14.0

• fix: There was an InternalError on ubuntu or debian using the tomcat package with jsvc

1.13.0

• added: remember the last selected period (with a persistent cookie in the browser)
• added: UI option to display graphs and statistics for custom periods, via fields of start and end dates of period to display

1.12.0

• added: New charts "Threads count", "Loaded classes count", "Used non heap memory", "Used physical memory", "Used swap space" (displayed with the new link "Other charts")
• added: Button to kill a java thread
• added: parameters can now be specified in environment variables like in system properties or webapp context
• added: new parameter "monitoring-path" to change the url "/monitoring" of the report to "/admin/monitoring" for example
• added: new parameter "mail-periods" to change the period of mail reports from weekly to daily or monthly or a combination of the 3
• added: display the version of JavaMelody at the bottom of the html and pdf reports
• added: display of "ajax GET" or "ajax POST" in http requests names for ajax requests

1.10.0

• English: For people outside US, UK and France, default language is now the default locale of the server or English.

1.9.0

• Fix: The "Monitoring" link in "/manage" page did not work when hudson was in a servlet context (not in the root context of the server).
• JavaMelody fix: someone had an exception in report on Solaris 10 (getPID)

1.8.2

• Removed jdbc graphs as there is no database in hudson,
• Removed sessions graph, values and links as the javamelody SessionListener can't be registered without modifying web.xml
• Added a link in "/manage" page
• Added checkPermission to check authentication if configured

1.8.1

• Initial

TODO:

1. Monitor also hudson slaves by using the javamelody centralized CollectorServer
2. Other specific hudson features such as statistics of build times by job or graphs of busy executors & queue length like the one in "manage page"

Translations

Translations for other languages such as German, Spanish, Italian are welcomed.

The files to translate are:
in English: http://code.google.com/p/javamelody/source/browse/trunk/javamelody-core/src/main/resources/net/bull/javamelody/resource/translations.properties
the same in French: http://code.google.com/p/javamelody/source/browse/trunk/javamelody-core/src/main/resources/net/bull/javamelody/resource/translations_fr.properties
If you want to do some translation notify me at evernat at free.fr, then I will include your files in next release.