Matthias Pohl created FLINK-31765:
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Summary: Disable changelog backend for the
StatefulJobSavepointMigrationITCase and
StatefulJobWBroadcastStateMigrationITCase with RocksDB and checkpoints
Key: FLINK-31765
URL: https://issues.apache.org/jira/browse/FLINK-31765
Project: Flink
Issue Type: Bug
Components: Runtime / Coordination, Tests
Affects Versions: 1.17.0, 1.18.0
Reporter: Matthias Pohl
In FLINK-31593 we discovered an instability when generating the migration test
data for 1.17 for {{StatefulJobSavepointMigrationITCase}} and
{{StatefulJobWBroadcastStateMigrationITCase}}. According to the discussion in
FLINK-31593, we concluded that it's caused by a non-determinism that's
happening in the changelog backend code. As a workaround, we're going to
disable the changelog backend in these tests for now.
We're not touching 1.16 because it didn't appear in that branch. The
non-determinism seems to kick in only when generating the checkpoint files.
For 1.17, we're gonna create a backport for consistency reasons because we have
to enable it for the data generation.
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