curcur commented on a change in pull request #18324:
URL: https://github.com/apache/flink/pull/18324#discussion_r789407543
##########
File path:
flink-state-backends/flink-statebackend-changelog/src/main/java/org/apache/flink/state/changelog/ChangelogKeyedStateBackend.java
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@@ -368,19 +372,34 @@ public boolean
deregisterKeySelectionListener(KeySelectionListener<K> listener)
// collections don't change once started and handles are immutable
List<ChangelogStateHandle> prevDeltaCopy =
new
ArrayList<>(changelogStateBackendStateCopy.getRestoredNonMaterialized());
+ long incrementalMaterializeSize = 0L;
if (delta != null && delta.getStateSize() > 0) {
prevDeltaCopy.add(delta);
+ incrementalMaterializeSize += delta.getIncrementalStateSize();
}
if (prevDeltaCopy.isEmpty()
&&
changelogStateBackendStateCopy.getMaterializedSnapshot().isEmpty()) {
return SnapshotResult.empty();
} else {
+ List<KeyedStateHandle> materializedSnapshot =
+ changelogStateBackendStateCopy.getMaterializedSnapshot();
+ for (KeyedStateHandle keyedStateHandle : materializedSnapshot) {
+ if (!lastCompletedHandles.contains(keyedStateHandle)) {
+ incrementalMaterializeSize +=
keyedStateHandle.getStateSize();
Review comment:
"Async Checkpointed Data Size" is fine for me.
But I think metrics/things from UI users can learn (May not include in 1.15,
but eventually we should include)
- Data Exploding
- When a checkpoint includes a new Materialization
- Materialization size
- changelog sizes from the last complete checkpoint (that can roughly infer
restore time)
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