rkhachatryan commented on a change in pull request #17774:
URL: https://github.com/apache/flink/pull/17774#discussion_r767852438
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File path:
flink-state-backends/flink-statebackend-rocksdb/src/main/java/org/apache/flink/contrib/streaming/state/snapshot/RocksIncrementalSnapshotStrategy.java
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@@ -97,12 +98,20 @@
/**
* Stores the materialized sstable files from all snapshots that build the
incremental history.
+ * Used to check whether {@link PlaceholderStreamStateHandle} can be send
or the original {@link
+ * StreamStateHandle} must be used.
Review comment:
Just explained
[above](https://github.com/apache/flink/pull/17774#discussion_r767851024) :)
And also in `PreviousSnapshot.get`.
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