Hudson-ci/Using Hudson/Statistics Collection
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|Hudson Statistics Collection|
Hudson installations obtain metadata for the update center periodically. This happens over HTTPS, so on the server this results in some statistics information about how many Hudson installations are out there. This HTTPS request contains the version number of Hudson that's making the call. The request also reveals several other information, like the IP of the caller, etc., which is inherent in any HTTP request.
The opt-out feature in the Hudson configuration allows you to prevent the collection of data.
The data that is collected is:
- Number of total slaves/executors in the system
- Number of jobs
- JVM version
- Plugins that are installed
The data send to the http://hudson-ci.org is encrypted and gziped. Here is a sample of the data sent to the server: