AnonHxy commented on code in PR #19017:
URL: https://github.com/apache/pulsar/pull/19017#discussion_r1058121801
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managed-ledger/src/main/java/org/apache/bookkeeper/mledger/impl/ManagedLedgerImpl.java:
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@@ -1269,14 +1269,15 @@ public long getEstimatedBacklogSize(PositionImpl pos) {
long estimateBacklogFromPosition(PositionImpl pos) {
synchronized (this) {
- LedgerInfo ledgerInfo = ledgers.get(pos.getLedgerId());
- if (ledgerInfo == null) {
- return getTotalSize(); // position no longer in managed
ledger, so return total size
+ Map<Long, LedgerInfo> tailLedgerInfos =
ledgers.tailMap(pos.getLedgerId());
+ if (tailLedgerInfos.isEmpty()) { // pos is greater than the
greatest ledgerId in ledgers
+ return 0;
}
- long sizeBeforePosLedger = ledgers.values().stream().filter(li ->
li.getLedgerId() < pos.getLedgerId())
- .mapToLong(LedgerInfo::getSize).sum();
- long size = getTotalSize() - sizeBeforePosLedger;
-
+ LedgerInfo ledgerInfo = tailLedgerInfos.get(pos.getLedgerId());
+ if (ledgerInfo == null) { // pos is smaller than the smallest
ledgerId in ledgers
Review Comment:
Fixed @congbobo184
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