gaoran10 commented on a change in pull request #12523:
URL: https://github.com/apache/pulsar/pull/12523#discussion_r744285199
##########
File path:
managed-ledger/src/main/java/org/apache/bookkeeper/mledger/impl/ManagedLedgerImpl.java
##########
@@ -1141,6 +1143,48 @@ public long getEstimatedBacklogSize() {
}
}
+ @Override
+ public long getEarliestMessagePublishTimeInBacklog() {
+ PositionImpl pos = getMarkDeletePositionOfSlowestConsumer();
+
+ return getEarliestMessagePublishTimeOfPos(pos);
+ }
+
+ public long getEarliestMessagePublishTimeOfPos(PositionImpl pos) {
+ if (pos == null) {
+ return 0L;
+ }
+ PositionImpl nextPos = getNextValidPosition(pos);
+
+ CompletableFuture<Long> future = new CompletableFuture<>();
+ asyncReadEntry(nextPos, new ReadEntryCallback() {
+ @Override
+ public void readEntryComplete(Entry entry, Object ctx) {
Review comment:
Maybe you could use the method `getEntryTimestamp()` of the class
`MessageImpl`.
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