a8356555 commented on issue #9521:
URL: https://github.com/apache/iceberg/issues/9521#issuecomment-1903635357
> @a8356555 yes, there could be conflicts from concurrent commit from
multiple file groups with partial progress enabled. Usually, they will succeed
eventually on retry.
Partitions displaying the error logs mentioned will not succeed (as no
rewritten data is found), and increasing max-concurrent-file-group-rewrites to
8 results in a higher occurrence of errors of this type. Do you have any
suggestions on resolving this issue?
```
24/01/22 11:04:34 ERROR RewriteDataFilesCommitManager: Cannot commit groups
[RewriteFileGroup{info=FileGroupInfo{globalIndex=4, partitionIndex=1,
partition=PartitionData{date_utc8=19745}}, numRewrittenFiles=8,
numAddedFiles=1, numRewrittenBytes=12584}], attempting to clean up written files
```
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