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Change By:
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Steve Purkis
(07/May/13 2:00 PM)
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Description:
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The Jenkins TAP plugin is awesome, but could be designed to scale a bit better. As an example:
My client's test-suite has ~60,000 test cases in ~1,300 test scripts. After running the test suite with a Shell build step that ultimately runs:
prove --archive $WORKSPACE/tap-output t
And passing that on to Jenkins TAP plugin, we see:
* $WORKSPACE/tap-output is 172M * The last build dir is 789M. Breakdown: {code} 452M build.xml 4.0K changelog.xml 167M log 8.0K revision.txt 171M tap-master-files {code} * The job's summary pages all load quickly, e.g.: *
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http://jenkins/job/ProjectName *
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http://jenkins/job/ProjectName/36/ * The last build's 'tapResults' page: http://jenkins/job/ProjectName/36/tapResults/ * load time: 46s * size: 16.2 MB * The last build's 'tapTestReport' page: http://jenkins/job/ProjectName/36/tapTestReport/ * load time: 53s * size: 29.1 MB
Its difficult to navigate both tapResults & tapTestReport pages because they are so big.
I'd suggest setting these goals: * minimise on-disk storage of TAP output & parsed TAP results * minimise load-time of TAP Results & TAP Test Report pages * enhance usability of these pages
Here are a few ideas: * Don't pre-render TAP results * At a glance, I don't think the Jenkins TAP plugin is, but included just in case * Avoids: large files on disk of pre-rendered content * Render results client-side * Introduce server-side APIs for: test-set summaries, test-set details, original TAP output * Render test-set summaries by default * Only render test-set details on request * Avoids: a high up-front load time for large result sets * Gracefully degrade to individual pages * Introduce a filter for failed tests * Stop storing parsed TAP results in build.xml * Move to an sqlite db? * At least: remove extra whitespace * Compress everything in tap-master-files * deliver it to client compressed to minimise over-the-wire transfer size?
See also: * JENKINS-13451 - I ran into a similar scaling issue with TAP::Formatter::HTML, though different because of the nature of the tool - static output was a requirement. Still, some ideas such as 'minimise size of html & CSS used in report', and 'remove unnecessary whitespace' may apply here.
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