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Posted to commits@pulsar.apache.org by GitBox <gi...@apache.org> on 2022/06/28 02:31:43 UTC
[GitHub] [pulsar] AnonHxy commented on a diff in pull request #16238: [test][fix][broker]Fix getInternalStats occasional lack of LeaderInfo again
AnonHxy commented on code in PR #16238:
URL: https://github.com/apache/pulsar/pull/16238#discussion_r907971130
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pulsar-broker/src/main/java/org/apache/pulsar/broker/service/persistent/PersistentTopic.java:
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@@ -1971,40 +1971,43 @@ public CompletableFuture<PersistentTopicInternalStats> getInternalStats(boolean
stats.state = ml.getState().toString();
stats.ledgers = Lists.newArrayList();
- List<CompletableFuture<String>> futures = Lists.newArrayList();
+ Set<CompletableFuture<String>> futures = Sets.newConcurrentHashSet();
CompletableFuture<Set<String>> availableBookiesFuture =
brokerService.pulsar().getPulsarResources().getBookieResources().listAvailableBookiesAsync();
- futures.add(availableBookiesFuture.handle((strings, throwable) -> null));
- availableBookiesFuture.whenComplete((bookies, e) -> {
- if (e != null) {
- log.error("[{}] Failed to fetch available bookies.", topic, e);
- statFuture.completeExceptionally(e);
- } else {
- ml.getLedgersInfo().forEach((id, li) -> {
- LedgerInfo info = new LedgerInfo();
- info.ledgerId = li.getLedgerId();
- info.entries = li.getEntries();
- info.size = li.getSize();
- info.offloaded = li.hasOffloadContext() && li.getOffloadContext().getComplete();
- stats.ledgers.add(info);
- if (includeLedgerMetadata) {
- futures.add(ml.getLedgerMetadata(li.getLedgerId()).handle((lMetadata, ex) -> {
- if (ex == null) {
- info.metadata = lMetadata;
- }
- return null;
- }));
- futures.add(ml.getEnsemblesAsync(li.getLedgerId()).handle((ensembles, ex) -> {
- if (ex == null) {
- info.underReplicated = !bookies.containsAll(ensembles.stream().map(BookieId::toString)
- .collect(Collectors.toList()));
+ futures.add(
+ availableBookiesFuture
+ .whenComplete((bookies, e) -> {
+ if (e != null) {
+ log.error("[{}] Failed to fetch available bookies.", topic, e);
+ statFuture.completeExceptionally(e);
+ } else {
+ ml.getLedgersInfo().forEach((id, li) -> {
+ LedgerInfo info = new LedgerInfo();
+ info.ledgerId = li.getLedgerId();
+ info.entries = li.getEntries();
+ info.size = li.getSize();
+ info.offloaded = li.hasOffloadContext() && li.getOffloadContext().getComplete();
+ stats.ledgers.add(info);
+ if (includeLedgerMetadata) {
+ futures.add(ml.getLedgerMetadata(li.getLedgerId()).handle((lMetadata, ex) -> {
+ if (ex == null) {
+ info.metadata = lMetadata;
+ }
+ return null;
+ }));
+ futures.add(ml.getEnsemblesAsync(li.getLedgerId()).handle((ensembles, ex) -> {
+ if (ex == null) {
+ info.underReplicated =
+ !bookies.containsAll(ensembles.stream().map(BookieId::toString)
+ .collect(Collectors.toList()));
+ }
+ return null;
+ }));
}
- return null;
- }));
+ });
}
- });
- }
- });
+ })
+ .handle((strings, throwable) -> null));
Review Comment:
Yes, it's necessary. Because `whenComplete` return CompletableFuture<List<String>>, but we need `CompletableFuture<String>` to `futures` @HQebupt
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