cshuo opened a new pull request, #18725:
URL: https://github.com/apache/hudi/pull/18725
… operator
### Describe the issue this Pull Request addresses
The Flink streaming global record level index (RLI) pipeline lost the custom
shuffle before the bucket assigner operator. Without routing records through
`GlobalRecordIndexPartitioner`, bucket assignment is no longer aligned with the
global RLI metadata file-group mapping.
This PR restores that partitioning step for the non-bootstrap global RLI
bucket assign path and adds a topology-level regression test to guard the
expected shuffle behavior.
### Summary and Changelog
- Restores `partitionCustom(new GlobalRecordIndexPartitioner(conf), ...)`
before `MiniBatchBucketAssignOperator` in `Pipelines#createBucketAssignStream`.
- Adds `TestPipelines#testGlobalRLIShufflesBucketAssignByGlobalRecordIndex`
to verify the global RLI stream contains the expected
`GlobalRecordIndexPartitioner` custom partitions.
### Impact
- Restores correct global RLI bucket assign routing for Flink streaming
writes when index bootstrap is disabled.
### Risk Level
low
<!-- Accepted values: none, low, medium or high. Other than `none`, explain
the risk.
If medium or high, explain what verification was done to mitigate the
risks. -->
### Documentation Update
<!-- Describe any necessary documentation update if there is any new
feature, config, or user-facing change. If not, put "none".
- The config description must be updated if new configs are added or the
default value of the configs are changed.
- Any new feature or user-facing change requires updating the Hudi website.
Please follow the
[instruction](https://hudi.apache.org/contribute/developer-setup#website)
to make changes to the website. -->
### Contributor's checklist
- [ ] Read through [contributor's
guide](https://hudi.apache.org/contribute/how-to-contribute)
- [ ] Enough context is provided in the sections above
- [ ] Adequate tests were added if applicable
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