shustsud commented on a change in pull request #2813:
URL: https://github.com/apache/bookkeeper/pull/2813#discussion_r723770684
##########
File path:
bookkeeper-server/src/main/java/org/apache/bookkeeper/bookie/ScanAndCompareGarbageCollector.java
##########
@@ -291,4 +288,55 @@ public void gc(GarbageCleaner garbageCleaner) {
bkActiveledgers.removeAll(overReplicatedLedgers);
return overReplicatedLedgers;
}
+
+ private Set<Long> preCheckOverReplicatedLedgers(Set<Long> bkActiveLedgers)
throws InterruptedException {
+ final Set<Long> candidateOverReplicatedLedgers = Sets.newHashSet();
+ final Semaphore semaphore = new Semaphore(MAX_CONCURRENT_ZK_REQUESTS);
+ final CountDownLatch latch = new
CountDownLatch(bkActiveLedgers.size());
+
+ for (final Long ledgerId : bkActiveLedgers) {
+ try {
+ semaphore.acquire();
+ ledgerManager.readLedgerMetadata(ledgerId)
+ .whenComplete((metadata, exception) -> {
+ try {
+ if (exception == null) {
+ if
(isNotBookieIncludedInLedgerEnsembles(metadata)) {
+
candidateOverReplicatedLedgers.add(ledgerId);
+ }
+ }
+ } finally {
+ semaphore.release();
+ latch.countDown();
+ }
+ });
+ } catch (Throwable t) {
+ LOG.error("Exception when iterating through the ledgers to
pre-check for over-replication", t);
+ latch.countDown();
+ }
+ }
+ latch.await();
+ LOG.info("Finished pre-check over-replicated ledgers.
candidateOverReplicatedLedgersSize={}",
Review comment:
Fixed.
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