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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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ASF GitHub Bot updated HDDS-15474:
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Labels: pull-request-available (was: )
> 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
> Labels: pull-request-available
>
> 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.
> Relates to HDDS-10308.
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