[Spark] Disable S3A change detection for SeaweedFS compatibility#279
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alxtkr77 merged 1 commit intomlrun:developmentfrom Mar 19, 2026
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[Spark] Disable S3A change detection for SeaweedFS compatibility#279alxtkr77 merged 1 commit intomlrun:developmentfrom
alxtkr77 merged 1 commit intomlrun:developmentfrom
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…ML-669) SeaweedFS does not return ETags in the format expected by Hadoop's S3A change detection policy, causing Spark jobs to fail with NoVersionAttributeException. Disable ETag-based change detection in spark-defaults.conf. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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| RUN mkdir /home/spark && chown spark /home/spark | ||
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| # Disable S3A ETag-based change detection — SeaweedFS does not return ETags |
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@alxtkr77, is there a way to add this in the Spark config during runtime?
by using spark_conf.update for example.
if not, we need to explain to users that they must build this image before using Spark in CE, right?
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@GiladShapira94 , no need for user to build the image. We will build it and push to gcr. The image will be pulled on CE installation
assaf758
approved these changes
Mar 19, 2026
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Summary
NoVersionAttributeException: Change detection policy requires ETagwhen reading from SeaweedFSspark.hadoop.fs.s3a.change.detection.mode nonetospark-defaults.confin the CE Spark Docker imageTest plan
cd docker/spark && make build)test_mlrun_spark_operator_using_set_functionto verify Spark jobs can read from SeaweedFS without ETag errorsFixes: CEML-669
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