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https://issues.apache.org/jira/browse/HUDI-3469?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Raymond Xu closed HUDI-3469.
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Resolution: Done
> Refactor HoodieTestDataGenerator to enable reproducible builds
> --------------------------------------------------------------
>
> Key: HUDI-3469
> URL: https://issues.apache.org/jira/browse/HUDI-3469
> Project: Apache Hudi
> Issue Type: Bug
> Components: tests-ci
> Reporter: Alexey Kudinkin
> Assignee: Alexey Kudinkin
> Priority: Blocker
> Labels: pull-request-available
> Fix For: 0.11.0
>
>
> Currently, `HoodieTestDataGenerator` relies on static state which make its
> state shared across all of the tests making data generation dependent on the
> order of execution.
>
> Instead we should properly abstract `HoodieTestDataGenerator` to hold all of
> the state w/in individual instances so that individual Tests can:
> 1. Create they own isolated instance (which won't be affected by other Tests)
> 2. Pass "seed" value to DataGenerator to init its PRNG w/ it, so that it
> always produces the same (pseudo-)random sequence (for a given seed)
> 3. Be certain that all of the data produced by DataGenerator will be 100%
> reproducible w/ the same seed (meaning that all of the DataGenerator
> operations w/in it only rely on such internal PRNG and don't rely on any
> external sources, such as `UUID.randomUUID()`, `System.currentTimeMillis()`,
> etc)
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