[SPARK-20148] [SQL] Extend the file commit API to allow subscribing to task commit messages #17475
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LGTM |
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Test build #75374 has finished for PR 17475 at commit
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Merging in master. |
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What changes were proposed in this pull request?
The internal FileCommitProtocol interface returns all task commit messages in bulk to the implementation when a job finishes. However, it is sometimes useful to access those messages before the job completes, so that the driver gets incremental progress updates before the job finishes.
This adds an
onTaskCommitlistener to the internal api.How was this patch tested?
Unit tests.
cc @rxin