[HUDI-6117] Parallelize the initial creation of file groups for a new MDT partition.#8527
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nsivabalan merged 1 commit intoapache:masterfrom May 8, 2023
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… MDT partition. Any existing / leftover files groups in that partition are also cleaned up to deal with previous failed initialization attempts which may have used a different instant time or different count of file groups.
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nsivabalan
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Apr 30, 2023
...di-client-common/src/main/java/org/apache/hudi/metadata/HoodieBackedTableMetadataWriter.java
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nsivabalan
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release-0.14.0
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May 4, 2023
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[HUDI-6117] Parallelize the initial creation of file groups for a new MDT partition.
Change Logs
File group creation is parallelized using engineContext.foreach.
Previous leftover files in the MDT partition are deleted before creation.
Impact
Faster file group creation when there are a large number of file groups for a MDT partition.
Fixes the issue where previous failed initialization could have left over partially or wholly written log files with different instant time.
Risk level (write none, low medium or high below)
None
Documentation Update
None
Contributor's checklist