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Posted to issues@iceberg.apache.org by "manuzhang (via GitHub)" <gi...@apache.org> on 2026/01/26 03:59:57 UTC
[I] Flaky Test `TestDynamicIcebergSink > testCommitsOncePerTableBranchAndCheckpoint` [iceberg]
manuzhang opened a new issue, #15139:
URL: https://github.com/apache/iceberg/issues/15139
### Apache Iceberg version
main (development)
### Query engine
Flink
### Please describe the bug 🐞
https://github.com/apache/iceberg/actions/runs/21336655481/job/61409575261
```
TestDynamicIcebergSink > testCommitsOncePerTableBranchAndCheckpoint() FAILED
java.lang.AssertionError:
Expecting map:
{"added-data-files"="1", "added-delete-files"="1", "added-equality-delete-files"="1", "added-equality-deletes"="1", "added-files-size"="1128", "added-records"="1", "changed-partition-count"="1", "engine-name"="flink", "engine-version"="2.1.0", "flink.job-id"="7a390dfdf54bc3d7028708e2aa46c54c", "flink.max-committed-checkpoint-id"="2", "flink.operator-id"="27651a86dc01e60882f6b181172fad4c", "iceberg-version"="Apache Iceberg aa63060 (commit aa630608f79d06c1c3929801fd7266b082170758)", "total-data-files"="5", "total-delete-files"="2", "total-equality-deletes"="2", "total-files-size"="4478", "total-position-deletes"="0", "total-records"="6"}
to contain entries:
["total-equality-deletes"="1",
"total-position-deletes"="1",
"total-records"="6"]
but the following map entries had different values:
["total-equality-deletes"="2" (expected: "1"), "total-position-deletes"="0" (expected: "1")]
at org.apache.iceberg.flink.sink.dynamic.TestDynamicIcebergSink.testCommitsOncePerTableBranchAndCheckpoint(TestDynamicIcebergSink.java:1005)
```
### Willingness to contribute
- [ ] I can contribute a fix for this bug independently
- [ ] I would be willing to contribute a fix for this bug with guidance from the Iceberg community
- [ ] I cannot contribute a fix for this bug at this time
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Re: [I] Flaky Test `TestDynamicIcebergSink > testCommitsOncePerTableBranchAndCheckpoint` [iceberg]
Posted by "kevinjqliu (via GitHub)" <gi...@apache.org>.
kevinjqliu closed issue #15139: Flaky Test `TestDynamicIcebergSink > testCommitsOncePerTableBranchAndCheckpoint`
URL: https://github.com/apache/iceberg/issues/15139
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Re: [I] Flaky Test `TestDynamicIcebergSink > testCommitsOncePerTableBranchAndCheckpoint` [iceberg]
Posted by "mxm (via GitHub)" <gi...@apache.org>.
mxm commented on issue #15139:
URL: https://github.com/apache/iceberg/issues/15139#issuecomment-3800601561
Thanks for reporting @manuzhang! Looks like we need to make the test more lenient because under high load, there can be multiple Flink checkpoints before all records have been processed.
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