fredia commented on code in PR #19448:
URL: https://github.com/apache/flink/pull/19448#discussion_r895294357
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flink-tests/src/test/java/org/apache/flink/test/checkpointing/ChangelogPeriodicMaterializationSwitchStateBackendITCase.java:
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@@ -50,6 +86,78 @@ public void
testSwitchFromEnablingToDisablingWithRescalingIn() throws Exception
testSwitchEnv(getEnv(true, NUM_SLOTS), getEnv(false, NUM_SLOTS / 2));
}
+ @Test
+ public void testSwitchFromDisablingToEnablingInClaimMode() throws
Exception {
+ File firstCheckpointFolder = TEMPORARY_FOLDER.newFolder();
+ MiniCluster miniCluster = cluster.getMiniCluster();
+ StreamExecutionEnvironment env1 =
+ getEnv(delegatedStateBackend, firstCheckpointFolder, false,
100, 600000);
Review Comment:
This test scenario is:
1. changelog disabled(the interval of materialization doesn't work here),
get chk-1 to restore.
2. changelog enabled, retore from chk-1, get chk-2(**no materialization
occurs, the materialized part of chk-2 is in chk-1**).
3. changelog enable, restore from chk-2, test whether the materialized
part in chk-1 is exist.
So, the interval is deliberately set to be long here to avoid materializing.
To simulate a scenario where one JOB restore again before one materialization
occurs.
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