liangyepianzhou commented on code in PR #15137:
URL: https://github.com/apache/pulsar/pull/15137#discussion_r857529473
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pulsar-broker/src/main/java/org/apache/pulsar/broker/transaction/pendingack/impl/MLPendingAckStore.java:
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@@ -292,6 +249,69 @@ public void addFailed(ManagedLedgerException exception,
Object ctx) {
return completableFuture;
}
+ private void handleMetadataEntry(PositionImpl logPosition,
PendingAckMetadataEntry pendingAckMetadataEntry) {
+ // store the persistent position in to memory
+ // store the max position of this entry retain
+ if (pendingAckMetadataEntry.getPendingAckOp() != PendingAckOp.ABORT
+ && pendingAckMetadataEntry.getPendingAckOp() !=
PendingAckOp.COMMIT) {
+ Optional<PendingAckMetadata> optional =
pendingAckMetadataEntry.getPendingAckMetadatasList()
+ .stream().max((o1, o2) ->
ComparisonChain.start().compare(o1.getLedgerId(),
+ o2.getLedgerId()).compare(o1.getEntryId(),
o2.getEntryId()).result());
+
+ optional.ifPresent(pendingAckMetadata -> {
+ PositionImpl nowPosition =
PositionImpl.get(pendingAckMetadata.getLedgerId(),
+ pendingAckMetadata.getEntryId());
+
+ if (nowPosition.compareTo(maxAckPosition) > 0) {
+ maxAckPosition = nowPosition;
+ }
+ if (logAppendTimes.get() > upperLimitOfLogAppendTimes) {
Review Comment:
Sorry, I can not understand you mind. In this proposal, we use the size of
pendingAckLogIndex to get the next backoff.
And we do not implement the maxIndexLag now.
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