[GitHub] [flink] rkhachatryan commented on a diff in pull request #22377: [FLINK-31765][runtime][test] Disable changelog backend for RocksDB migration tests

["rkhachatryan (via GitHub)" <gi...@apache.org>]

rkhachatryan commented on code in PR #22377:
URL: https://github.com/apache/flink/pull/22377#discussion_r1163316537


##########
flink-tests/src/test/java/org/apache/flink/test/checkpointing/StatefulJobSnapshotMigrationITCase.java:
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@@ -136,6 +136,9 @@ public void testSavepoint() throws Exception {
         switch (snapshotSpec.getStateBackendType()) {
             case StateBackendLoader.ROCKSDB_STATE_BACKEND_NAME:
                 env.setStateBackend(new EmbeddedRocksDBStateBackend());
+                // disable changelog backend for now to ensure determinism in test data generation
+                // (see FLINK-31766)
+                env.enableChangelogStateBackend(false);

Review Comment:
   nit: this change duplicates line 155, one can be removed
   
   nit: can be scoped to `executionMode == ExecutionMode.CREATE_SNAPSHOT` only



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