codelipenghui commented on code in PR #15663:
URL: https://github.com/apache/pulsar/pull/15663#discussion_r880331857
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pulsar-broker/src/main/java/org/apache/pulsar/broker/service/persistent/PersistentTopic.java:
##########
@@ -2555,29 +2555,46 @@ public void readEntryFailed(ManagedLedgerException
exception, Object ctx) {
}, null);
return future;
} else {
- Long ledgerId = ((ManagedCursorContainer)
ledger.getCursors()).getSlowestReaderPosition().getLedgerId();
+ PositionImpl slowestPosition = ((ManagedCursorContainer)
ledger.getCursors()).getSlowestReaderPosition();
try {
-
org.apache.bookkeeper.mledger.proto.MLDataFormats.ManagedLedgerInfo.LedgerInfo
- ledgerInfo = ledger.getLedgerInfo(ledgerId).get();
- if (ledgerInfo != null && ledgerInfo.hasTimestamp() &&
ledgerInfo.getTimestamp() > 0
- && ((ManagedLedgerImpl) ledger).getClock().millis() -
ledgerInfo.getTimestamp()
- > backlogQuotaLimitInSecond * 1000) {
- if (log.isDebugEnabled()) {
- log.debug("Time based backlog quota exceeded, quota
{}, age of ledger "
- + "slowest cursor currently on {}",
backlogQuotaLimitInSecond * 1000,
- ((ManagedLedgerImpl)
ledger).getClock().millis() - ledgerInfo.getTimestamp());
- }
- return CompletableFuture.completedFuture(true);
- } else {
- return CompletableFuture.completedFuture(false);
- }
+ return
slowestReaderTimeBasedBacklogQuotaCheck(slowestPosition);
} catch (Exception e) {
log.error("[{}][{}] Error reading entry for precise time based
backlog check", topicName, e);
return CompletableFuture.completedFuture(false);
}
}
}
+ private CompletableFuture<Boolean>
slowestReaderTimeBasedBacklogQuotaCheck(PositionImpl slowestPosition)
+ throws ExecutionException, InterruptedException {
+ int backlogQuotaLimitInSecond =
getBacklogQuota(BacklogQuotaType.message_age).getLimitTime();
+ Long ledgerId = slowestPosition.getLedgerId();
+ if (((ManagedLedgerImpl)
ledger).getLedgersInfo().lastKey().equals(ledgerId)) {
+ return CompletableFuture.completedFuture(false);
+ }
+ int result;
+
org.apache.bookkeeper.mledger.proto.MLDataFormats.ManagedLedgerInfo.LedgerInfo
+ ledgerInfo = ledger.getLedgerInfo(ledgerId).get();
Review Comment:
Here will be a risk to call `.get()` directly since the implementation of
`getLedgerInfo()` might changed although this does not appear to be a problem
at present.
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