pnowojski commented on issue #11754: [FLINK-17156][checkpointing] support cancellation of unaligned checkpoints URL: https://github.com/apache/flink/pull/11754#issuecomment-615107726 There is a test failure: https://dev.azure.com/rmetzger/Flink/_build/results?buildId=7544&view=logs&j=c88eea3b-64a0-564d-0031-9fdcd7b8abee&t=1e2bbe5b-4657-50be-1f07-d84bfce5b1f5 ``` [ERROR] Tests run: 3, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 135.621 s <<< FAILURE! - in org.apache.flink.tests.util.kafka.StreamingKafkaITCase [ERROR] testKafka[0: kafka-version:0.10.2.0](org.apache.flink.tests.util.kafka.StreamingKafkaITCase) Time elapsed: 46.222 s <<< FAILURE! java.lang.AssertionError: expected:<[elephant,27,64213]> but was:<[]> ``` it has never been reported (so far), and looks like a data loss. For one thing, Kafka tests are known for issues like that, but if the test is doing things like failing over a job, it might indeed indicate a problem with this PR or the unaligned checkpoints code that it's basing upon.
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