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Posted to commits@cassandra.apache.org by "Michael Semb Wever (Jira)" <ji...@apache.org> on 2021/04/13 08:55:00 UTC
[jira] [Updated] (CASSANDRA-16595) Remove test parallelism from ant
build.xml in all branches
[ https://issues.apache.org/jira/browse/CASSANDRA-16595?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Michael Semb Wever updated CASSANDRA-16595:
-------------------------------------------
Change Category: Operability
Complexity: Normal
Fix Version/s: 4.0.x
3.11.x
3.0.x
2.2.x
Status: Open (was: Triage Needed)
> Remove test parallelism from ant build.xml in all branches
> ----------------------------------------------------------
>
> Key: CASSANDRA-16595
> URL: https://issues.apache.org/jira/browse/CASSANDRA-16595
> Project: Cassandra
> Issue Type: Task
> Components: Test/unit
> Reporter: Michael Semb Wever
> Assignee: Michael Semb Wever
> Priority: Normal
> Fix For: 2.2.x, 3.0.x, 3.11.x, 4.0.x
>
>
> Cassandra's build.xml supports parallel test runners. This functionality is available through {{`-Dtest.runners`}} and the {{`testparallel`}} ant macro.
> Having not been actively used and atrophied over time, it breaks a number of tests. The distributed in-jvm tests don't work at all with parallel runners (currently they
> need `-Dtest.runners=1` specified to work). And there are plenty of flakies, from where
> tests use fixed ports (StorageServiceServerTest), to byteman (eg
> BMUnitRunner), and around conf files on disk.
> This was raised on the dev ML, where the consensus was to remove it: https://lists.apache.org/thread.html/r1ca3c72b90fa6c57c1cb7dcd02a44221dcca991fe7392abd8c29fe95%40%3Cdev.cassandra.apache.org%3E
> The idea is to then replace ant test parallelism with docker container parallelism.
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