lhotari commented on code in PR #25101:
URL: https://github.com/apache/pulsar/pull/25101#discussion_r2639599716
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managed-ledger/src/main/java/org/apache/bookkeeper/mledger/impl/ManagedLedgerImpl.java:
##########
@@ -2713,26 +2713,29 @@ public void
maybeUpdateCursorBeforeTrimmingConsumedLedger() {
for (ManagedCursor cursor : cursors) {
Position lastAckedPosition =
cursor.getPersistentMarkDeletedPosition() != null
? cursor.getPersistentMarkDeletedPosition() :
cursor.getMarkDeletedPosition();
- LedgerInfo currPointedLedger =
ledgers.get(lastAckedPosition.getLedgerId());
+ LedgerInfo curPointedLedger =
ledgers.get(lastAckedPosition.getLedgerId());
LedgerInfo nextPointedLedger =
Optional.ofNullable(ledgers.higherEntry(lastAckedPosition.getLedgerId()))
.map(Map.Entry::getValue).orElse(null);
- if (currPointedLedger != null) {
+ if (curPointedLedger != null) {
if (nextPointedLedger != null) {
if (lastAckedPosition.getEntryId() != -1
- && lastAckedPosition.getEntryId() + 1 >=
currPointedLedger.getEntries()) {
+ && lastAckedPosition.getEntryId() + 1 >=
curPointedLedger.getEntries()) {
lastAckedPosition =
PositionFactory.create(nextPointedLedger.getLedgerId(), -1);
}
} else {
log.debug("No need to reset cursor: {}, current ledger is
the last ledger.", cursor);
}
} else {
+ // TODO no ledger exists, should we move cursor mark deleted
position to nextPointedLedger:-1 ?
log.warn("Cursor: {} does not exist in the managed-ledger.",
cursor);
}
- if (!lastAckedPosition.equals(cursor.getMarkDeletedPosition())) {
+ if (lastAckedPosition.compareTo(cursor.getMarkDeletedPosition()) >
0) {
Review Comment:
> Seems not so easy to deal with these two cases, they can't bring
CompletableFuture or Callback to their caller callbacks.
That's true, however for the 3rd use case,
ManagedLedgerFactoryImpl#asyncOpen, it might make a difference.
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