lhotari commented on code in PR #25101:
URL: https://github.com/apache/pulsar/pull/25101#discussion_r2640034055
##########
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:
> Yes, I originally intended to submit a PR, but I don't know how to deal
with these two special cases.
In those other cases, it might not be necessary to make changes. In the
asyncOpen case, the race condition might be causing [the
BadVersionException](https://github.com/apache/pulsar/issues/25092#issuecomment-3681796991)
which might be a real bug.
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