zoltar9264 commented on code in PR #22669:
URL: https://github.com/apache/flink/pull/22669#discussion_r1216375020
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flink-state-backends/flink-statebackend-rocksdb/src/main/java/org/apache/flink/contrib/streaming/state/snapshot/RocksDBSnapshotStrategyBase.java:
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@@ -395,18 +394,16 @@ public void release() {
/** Previous snapshot with uploaded sst files. */
protected static class PreviousSnapshot {
- @Nullable private final Map<StateHandleID, Long> confirmedSstFiles;
+ @Nullable private final Map<StateHandleID, StreamStateHandle>
confirmedSstFiles;
- protected PreviousSnapshot(@Nullable Map<StateHandleID, Long>
confirmedSstFiles) {
+ protected PreviousSnapshot(
+ @Nullable Map<StateHandleID, StreamStateHandle>
confirmedSstFiles) {
this.confirmedSstFiles = confirmedSstFiles;
}
protected Optional<StreamStateHandle> getUploaded(StateHandleID
stateHandleID) {
if (confirmedSstFiles != null &&
confirmedSstFiles.containsKey(stateHandleID)) {
- // we introduce a placeholder state handle, that is replaced
with the
- // original from the shared state registry (created from a
previous checkpoint)
- return Optional.of(
- new
PlaceholderStreamStateHandle(confirmedSstFiles.get(stateHandleID)));
Review Comment:
Hi @fredia , in the previous discussion, we mentioned that the registry key
based on the remote file name (physical id) is used as the key of privateState.
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