rkhachatryan commented on a change in pull request #18086:
URL: https://github.com/apache/flink/pull/18086#discussion_r768430372
##########
File path:
flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/tasks/StreamTask.java
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@@ -1271,6 +1273,18 @@ private boolean performCheckpoint(
}
}
+ private void checkForcedFullSnapshotSupport(CheckpointOptions
checkpointOptions) {
+ if (checkpointOptions.isForcedFullSnapshot()
+ && !stateBackend.supportsForcedFullSnapshot()) {
+ throw new IllegalStateException(
Review comment:
I think it makes sense to check the backend support ASAP, maybe in
`StreamingJobGraphGenerator`. All the info should already be available there.
However, it can also be added later as an optimization later.
WDYT?
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