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https://issues.apache.org/jira/browse/HDDS-15474?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chi-Hsuan Huang reassigned HDDS-15474:
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Assignee: Chi-Hsuan Huang
> Further speed up TestOmSnapshot by reducing config-matrix redundancy
> --------------------------------------------------------------------
>
> Key: HDDS-15474
> URL: https://issues.apache.org/jira/browse/HDDS-15474
> Project: Apache Ozone
> Issue Type: Sub-task
> Components: test
> Reporter: Chi-Hsuan Huang
> Assignee: Chi-Hsuan Huang
> Priority: Major
>
> Follow\-up to HDDS\-10308, which pinned four heavyweight config\-independent
> tests in {{TestOmSnapshot}} to run once instead of across the full
> 8\-subclass matrix.
> {{TestOmSnapshot}} still runs most of its \~70 tests in all 8 subclasses
> \(each starting its own MiniOzoneCluster for a different {{\(bucketLayout,
> disableNativeDiff, createLinkedBucket, ...\)}} combination\). A large share
> of those tests are config\-independent and could also run once, but this
> needs more care:* About a dozen tests genuinely exercise layout\-specific
> code \(e.g. {{SnapshotDiffManager}} branches on
> {{isFileSystemOptimized\(\)}}\), so they must keep running across layouts.
> * The validation / error\-path tests and other OM\-internal tests do not, and
> are candidates to pin to a single config.
> * Two constructor params are never varied across the 8 subclasses
> \({{enableFileSystemPaths}} and {{forceFullSnapshotDiff}} are {{false}}
> everywhere\), and {{createLinkedBucket}} showed \~0 runtime variance in
> measurement, so some matrix dimensions may be redundant.
> Proposed: classify each test as config\-sensitive vs config\-independent
> \(using the existing {{assumeTrue}} guards plus measured per\-config
> timing/coverage\), then run the config\-independent set once and/or prune
> redundant matrix dimensions. Needs committer input on which layout / native /
> linked combinations are worth keeping.
> Relates to HDDS\-10308.
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