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https://issues.apache.org/jira/browse/CASSANDRA-21044?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sam Tunnicliffe updated CASSANDRA-21044:
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Status: Ready to Commit (was: Review In Progress)
+1
> Jenkinsfile fix parallel xz and improve jdk parsing performance
> ---------------------------------------------------------------
>
> Key: CASSANDRA-21044
> URL: https://issues.apache.org/jira/browse/CASSANDRA-21044
> Project: Apache Cassandra
> Issue Type: Bug
> Components: CI
> Reporter: Michael Semb Wever
> Assignee: Michael Semb Wever
> Priority: Normal
> Fix For: 5.0.x, 5.x
>
>
> Three changes to the Jenkinsfile.
> 1. Some test result files were sometimes missing from the CI results artefact
> tarball, and their results missing from the ci_summary.html numbers.
> This was because xz compression in Jenkinsfile was being run in parallel
> using backgrounded processes and the wait command, but the wait command was
> actually waiting for xv completion (it was just getting lucky 99.9% of the
> time).
> The fix is to replace the background and wait approach with xargs in parallel
> mode.
> 2. The parsing of the build.xml to find the jdk.default and jdk.supported
> values is very slow (2min+, due to jenkins peculiarities), made worse by the
> jenkinsfile having to do it multiple times for calls (and asserts) in
> multiple pipeline stages.
> Fix was to properly declare constants, and to cache the result of the
> `task()` method (since it's only ever called on the initial agent when
> creating the build workflow.
> 3. Improve UX by logging early on (in a new "init" stage) what the user
> specified build parameters are. A number of users were confused because the
> job's coordinates are fixed to the base branch, and the user specified
> parameters are not actually used until doing compile and test tasks within
> each stage split. The console log still logs the fixed git coordinates, but
> now shortly after it also prints the user's parameters. It is hoped this
> improves the UX a little.
> Patch @ https://github.com/apache/cassandra/pull/4211
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