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Posted to commits@pulsar.apache.org by "heesung-sn (via GitHub)" <gi...@apache.org> on 2023/03/28 05:28:55 UTC
[GitHub] [pulsar] heesung-sn opened a new pull request, #19945: [improve][broker] PIP-192 updated metrics and cleanup broker selector
heesung-sn opened a new pull request, #19945:
URL: https://github.com/apache/pulsar/pull/19945
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Master Issue: https://github.com/apache/pulsar/issues/16691
### Motivation
Raising a PR to implement: https://github.com/apache/pulsar/issues/16691
### Modifications
This PR
- Added `Override` EventType metrics
- Made ExtensibleLoadManager.selectAsync for cleanup broker selector.
### Verifying this change
- [x] Make sure that the change passes the CI checks.
This change added tests and can be verified as follows:
- *Updated unit tests.
### Does this pull request potentially affect one of the following parts:
*If the box was checked, please highlight the changes*
- [ ] Dependencies (add or upgrade a dependency)
- [ ] The public API
- [ ] The schema
- [ ] The default values of configurations
- [ ] The threading model
- [ ] The binary protocol
- [ ] The REST endpoints
- [ ] The admin CLI options
- [ ] Anything that affects deployment
### Documentation
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- [ ] `doc-complete` <!-- Docs have been already added -->
We will have separate PRs to update the Doc later.
### Matching PR in forked repository
PR in forked repository: https://github.com/heesung-sn/pulsar/pull/40
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[GitHub] [pulsar] Technoboy- merged pull request #19945: [improve][broker] PIP-192 updated metrics and cleanup broker selector
Posted by "Technoboy- (via GitHub)" <gi...@apache.org>.
Technoboy- merged PR #19945:
URL: https://github.com/apache/pulsar/pull/19945
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[GitHub] [pulsar] heesung-sn commented on pull request #19945: [improve][broker] PIP-192 updated metrics and cleanup broker selector
Posted by "heesung-sn (via GitHub)" <gi...@apache.org>.
heesung-sn commented on PR #19945:
URL: https://github.com/apache/pulsar/pull/19945#issuecomment-1489459549
Raised a load-balance dashboard PR here. https://github.com/streamnative/apache-pulsar-grafana-dashboard/pull/93
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[GitHub] [pulsar] heesung-sn commented on a diff in pull request #19945: [improve][broker] PIP-192 updated metrics and cleanup broker selector
Posted by "heesung-sn (via GitHub)" <gi...@apache.org>.
heesung-sn commented on code in PR #19945:
URL: https://github.com/apache/pulsar/pull/19945#discussion_r1155433375
##########
pulsar-broker/src/main/java/org/apache/pulsar/broker/loadbalance/extensions/channel/ServiceUnitStateChannelImpl.java:
##########
@@ -465,7 +472,7 @@ public CompletableFuture<Optional<String>> getOwnerAsync(String serviceUnit) {
ServiceUnitStateData data = tableview.get(serviceUnit);
ServiceUnitState state = state(data);
- ownerLookUpCounters.get(state).incrementAndGet();
+ ownerLookUpCounters.get(state).total.incrementAndGet();
Review Comment:
upated.
##########
pulsar-broker/src/main/java/org/apache/pulsar/broker/loadbalance/extensions/channel/ServiceUnitStateChannelImpl.java:
##########
@@ -465,7 +472,7 @@ public CompletableFuture<Optional<String>> getOwnerAsync(String serviceUnit) {
ServiceUnitStateData data = tableview.get(serviceUnit);
ServiceUnitState state = state(data);
- ownerLookUpCounters.get(state).incrementAndGet();
+ ownerLookUpCounters.get(state).total.incrementAndGet();
Review Comment:
updated.
##########
pulsar-broker/src/main/java/org/apache/pulsar/broker/loadbalance/extensions/channel/ServiceUnitStateChannelImpl.java:
##########
@@ -474,16 +481,22 @@ public CompletableFuture<Optional<String>> getOwnerAsync(String serviceUnit) {
return CompletableFuture.completedFuture(Optional.of(data.sourceBroker()));
}
case Assigning, Releasing -> {
- return deferGetOwnerRequest(serviceUnit).thenApply(
+ return deferGetOwnerRequest(serviceUnit).whenComplete((__, e) -> {
+ if (e != null) {
+ ownerLookUpCounters.get(state).failure.incrementAndGet();
Review Comment:
updated.
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[GitHub] [pulsar] gaoran10 commented on a diff in pull request #19945: [improve][broker] PIP-192 updated metrics and cleanup broker selector
Posted by "gaoran10 (via GitHub)" <gi...@apache.org>.
gaoran10 commented on code in PR #19945:
URL: https://github.com/apache/pulsar/pull/19945#discussion_r1152804358
##########
pulsar-broker/src/main/java/org/apache/pulsar/broker/loadbalance/extensions/channel/ServiceUnitStateChannelImpl.java:
##########
@@ -1097,31 +1123,45 @@ private void doCleanup(String broker) throws ExecutionException, InterruptedExce
}
- private Optional<ServiceUnitStateData> getRollForwardStateData(
- Set<String> availableBrokers, LoadManagerContext context, long nextVersionId) {
- Optional<String> selectedBroker = brokerSelector.select(availableBrokers, null, context);
+ private Optional<String> selectBroker(String serviceUnit) {
+ var namespaceBundle = getNamespaceBundle(serviceUnit);
+ if (namespaceBundle.getNamespaceObject().equals(SYSTEM_NAMESPACE)) {
Review Comment:
Why need to skip bundles of the system namespace? I found the method `ExtensibleLoadManagerImpl#assign` will ignore some internal topics and use the channel owner as the owner broker.
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[GitHub] [pulsar] Demogorgon314 commented on a diff in pull request #19945: [improve][broker] PIP-192 updated metrics and cleanup broker selector
Posted by "Demogorgon314 (via GitHub)" <gi...@apache.org>.
Demogorgon314 commented on code in PR #19945:
URL: https://github.com/apache/pulsar/pull/19945#discussion_r1155407174
##########
pulsar-broker/src/main/java/org/apache/pulsar/broker/loadbalance/extensions/channel/ServiceUnitStateChannelImpl.java:
##########
@@ -474,16 +481,22 @@ public CompletableFuture<Optional<String>> getOwnerAsync(String serviceUnit) {
return CompletableFuture.completedFuture(Optional.of(data.sourceBroker()));
}
case Assigning, Releasing -> {
- return deferGetOwnerRequest(serviceUnit).thenApply(
+ return deferGetOwnerRequest(serviceUnit).whenComplete((__, e) -> {
+ if (e != null) {
+ ownerLookUpCounters.get(state).failure.incrementAndGet();
Review Comment:
```suggestion
ownerLookUpCounters.get(state).getFailure().incrementAndGet();
```
##########
pulsar-broker/src/main/java/org/apache/pulsar/broker/loadbalance/extensions/channel/ServiceUnitStateChannelImpl.java:
##########
@@ -474,16 +481,22 @@ public CompletableFuture<Optional<String>> getOwnerAsync(String serviceUnit) {
return CompletableFuture.completedFuture(Optional.of(data.sourceBroker()));
}
case Assigning, Releasing -> {
- return deferGetOwnerRequest(serviceUnit).thenApply(
+ return deferGetOwnerRequest(serviceUnit).whenComplete((__, e) -> {
+ if (e != null) {
+ ownerLookUpCounters.get(state).failure.incrementAndGet();
+ }
+ }).thenApply(
broker -> broker == null ? Optional.empty() : Optional.of(broker));
}
case Init, Free -> {
return CompletableFuture.completedFuture(Optional.empty());
}
case Deleted -> {
+ ownerLookUpCounters.get(state).failure.incrementAndGet();
Review Comment:
```suggestion
ownerLookUpCounters.get(state).getFailure().incrementAndGet();
```
##########
pulsar-broker/src/main/java/org/apache/pulsar/broker/loadbalance/extensions/channel/ServiceUnitStateChannelImpl.java:
##########
@@ -465,7 +472,7 @@ public CompletableFuture<Optional<String>> getOwnerAsync(String serviceUnit) {
ServiceUnitStateData data = tableview.get(serviceUnit);
ServiceUnitState state = state(data);
- ownerLookUpCounters.get(state).incrementAndGet();
+ ownerLookUpCounters.get(state).total.incrementAndGet();
Review Comment:
```suggestion
ownerLookUpCounters.get(state).getTotal().incrementAndGet();
```
##########
pulsar-broker/src/main/java/org/apache/pulsar/broker/loadbalance/extensions/channel/ServiceUnitStateChannelImpl.java:
##########
@@ -474,16 +481,22 @@ public CompletableFuture<Optional<String>> getOwnerAsync(String serviceUnit) {
return CompletableFuture.completedFuture(Optional.of(data.sourceBroker()));
}
case Assigning, Releasing -> {
- return deferGetOwnerRequest(serviceUnit).thenApply(
+ return deferGetOwnerRequest(serviceUnit).whenComplete((__, e) -> {
+ if (e != null) {
+ ownerLookUpCounters.get(state).failure.incrementAndGet();
+ }
+ }).thenApply(
broker -> broker == null ? Optional.empty() : Optional.of(broker));
}
case Init, Free -> {
return CompletableFuture.completedFuture(Optional.empty());
}
case Deleted -> {
+ ownerLookUpCounters.get(state).failure.incrementAndGet();
return CompletableFuture.failedFuture(new IllegalArgumentException(serviceUnit + " is deleted."));
}
default -> {
+ ownerLookUpCounters.get(state).failure.incrementAndGet();
Review Comment:
```suggestion
ownerLookUpCounters.get(state).getFailure().incrementAndGet();
```
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[GitHub] [pulsar] heesung-sn commented on a diff in pull request #19945: [improve][broker] PIP-192 updated metrics and cleanup broker selector
Posted by "heesung-sn (via GitHub)" <gi...@apache.org>.
heesung-sn commented on code in PR #19945:
URL: https://github.com/apache/pulsar/pull/19945#discussion_r1153678589
##########
pulsar-broker/src/main/java/org/apache/pulsar/broker/loadbalance/extensions/channel/ServiceUnitStateChannelImpl.java:
##########
@@ -1097,31 +1123,45 @@ private void doCleanup(String broker) throws ExecutionException, InterruptedExce
}
- private Optional<ServiceUnitStateData> getRollForwardStateData(
- Set<String> availableBrokers, LoadManagerContext context, long nextVersionId) {
- Optional<String> selectedBroker = brokerSelector.select(availableBrokers, null, context);
+ private Optional<String> selectBroker(String serviceUnit) {
+ var namespaceBundle = getNamespaceBundle(serviceUnit);
+ if (namespaceBundle.getNamespaceObject().equals(SYSTEM_NAMESPACE)) {
Review Comment:
Nice catch. We shouldn't. Updated.
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[GitHub] [pulsar] heesung-sn commented on a diff in pull request #19945: [improve][broker] PIP-192 updated metrics and cleanup broker selector
Posted by "heesung-sn (via GitHub)" <gi...@apache.org>.
heesung-sn commented on code in PR #19945:
URL: https://github.com/apache/pulsar/pull/19945#discussion_r1155039909
##########
pulsar-broker/src/main/java/org/apache/pulsar/broker/loadbalance/extensions/channel/ServiceUnitStateChannelImpl.java:
##########
@@ -113,14 +113,15 @@ public class ServiceUnitStateChannelImpl implements ServiceUnitStateChannel {
private static final long MIN_CLEAN_UP_DELAY_TIME_IN_SECS = 0; // 0 secs to clean immediately
private static final long MAX_CHANNEL_OWNER_ELECTION_WAITING_TIME_IN_SECS = 10;
private static final int MAX_OUTSTANDING_PUB_MESSAGES = 500;
+ private static final long MAX_OWNED_BUNDLE_COUNT_DELAY_TIME_IN_MILLIS = 10 * 60 * 1000;
private final PulsarService pulsar;
private final ServiceConfiguration config;
private final Schema<ServiceUnitStateData> schema;
private final ConcurrentOpenHashMap<String, CompletableFuture<String>> getOwnerRequests;
private final String lookupServiceAddress;
private final ConcurrentOpenHashMap<String, CompletableFuture<Void>> cleanupJobs;
private final StateChangeListeners stateChangeListeners;
- private BrokerSelectionStrategy brokerSelector;
+ private ExtensibleLoadManagerImpl brokerSelector;
Review Comment:
updated.
##########
pulsar-broker/src/main/java/org/apache/pulsar/broker/loadbalance/extensions/channel/ServiceUnitStateChannelImpl.java:
##########
@@ -329,9 +337,9 @@ protected LoadManagerContext getContext() {
}
@VisibleForTesting
- protected BrokerSelectionStrategy getBrokerSelector() {
+ protected ExtensibleLoadManagerImpl getBrokerSelector() {
Review Comment:
updated.
##########
pulsar-broker/src/main/java/org/apache/pulsar/broker/loadbalance/extensions/strategy/DefaultNamespaceBundleSplitStrategyImpl.java:
##########
@@ -98,9 +98,8 @@ public Set<SplitDecision> findBundlesToSplit(LoadManagerContext context, PulsarS
if (!channel.isOwner(bundle)) {
if (debug) {
- log.error(String.format(CANNOT_SPLIT_BUNDLE_MSG
+ log.warn(String.format(CANNOT_SPLIT_BUNDLE_MSG
+ " This broker is not the owner.", bundle));
- counter.update(Failure, Unknown);
Review Comment:
No. This can happen a lot, and we don't want to add noise in failure count.
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[GitHub] [pulsar] heesung-sn commented on a diff in pull request #19945: [improve][broker] PIP-192 updated metrics and cleanup broker selector
Posted by "heesung-sn (via GitHub)" <gi...@apache.org>.
heesung-sn commented on code in PR #19945:
URL: https://github.com/apache/pulsar/pull/19945#discussion_r1155433458
##########
pulsar-broker/src/main/java/org/apache/pulsar/broker/loadbalance/extensions/channel/ServiceUnitStateChannelImpl.java:
##########
@@ -474,16 +481,22 @@ public CompletableFuture<Optional<String>> getOwnerAsync(String serviceUnit) {
return CompletableFuture.completedFuture(Optional.of(data.sourceBroker()));
}
case Assigning, Releasing -> {
- return deferGetOwnerRequest(serviceUnit).thenApply(
+ return deferGetOwnerRequest(serviceUnit).whenComplete((__, e) -> {
+ if (e != null) {
+ ownerLookUpCounters.get(state).failure.incrementAndGet();
+ }
+ }).thenApply(
broker -> broker == null ? Optional.empty() : Optional.of(broker));
}
case Init, Free -> {
return CompletableFuture.completedFuture(Optional.empty());
}
case Deleted -> {
+ ownerLookUpCounters.get(state).failure.incrementAndGet();
Review Comment:
updated.
##########
pulsar-broker/src/main/java/org/apache/pulsar/broker/loadbalance/extensions/channel/ServiceUnitStateChannelImpl.java:
##########
@@ -474,16 +481,22 @@ public CompletableFuture<Optional<String>> getOwnerAsync(String serviceUnit) {
return CompletableFuture.completedFuture(Optional.of(data.sourceBroker()));
}
case Assigning, Releasing -> {
- return deferGetOwnerRequest(serviceUnit).thenApply(
+ return deferGetOwnerRequest(serviceUnit).whenComplete((__, e) -> {
+ if (e != null) {
+ ownerLookUpCounters.get(state).failure.incrementAndGet();
+ }
+ }).thenApply(
broker -> broker == null ? Optional.empty() : Optional.of(broker));
}
case Init, Free -> {
return CompletableFuture.completedFuture(Optional.empty());
}
case Deleted -> {
+ ownerLookUpCounters.get(state).failure.incrementAndGet();
return CompletableFuture.failedFuture(new IllegalArgumentException(serviceUnit + " is deleted."));
}
default -> {
+ ownerLookUpCounters.get(state).failure.incrementAndGet();
Review Comment:
updated.
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[GitHub] [pulsar] heesung-sn commented on pull request #19945: [improve][broker] PIP-192 updated metrics and cleanup broker selector
Posted by "heesung-sn (via GitHub)" <gi...@apache.org>.
heesung-sn commented on PR #19945:
URL: https://github.com/apache/pulsar/pull/19945#issuecomment-1494421586
@gaoran10 @Technoboy- PTAL by any chance.
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[GitHub] [pulsar] heesung-sn commented on pull request #19945: [improve][broker] PIP-192 updated metrics and cleanup broker selector
Posted by "heesung-sn (via GitHub)" <gi...@apache.org>.
heesung-sn commented on PR #19945:
URL: https://github.com/apache/pulsar/pull/19945#issuecomment-1493482350
@gaoran10 @Demogorgon314 PTAL by any chance.
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[GitHub] [pulsar] Demogorgon314 commented on a diff in pull request #19945: [improve][broker] PIP-192 updated metrics and cleanup broker selector
Posted by "Demogorgon314 (via GitHub)" <gi...@apache.org>.
Demogorgon314 commented on code in PR #19945:
URL: https://github.com/apache/pulsar/pull/19945#discussion_r1154060387
##########
pulsar-broker/src/main/java/org/apache/pulsar/broker/loadbalance/extensions/channel/ServiceUnitStateChannelImpl.java:
##########
@@ -113,14 +113,15 @@ public class ServiceUnitStateChannelImpl implements ServiceUnitStateChannel {
private static final long MIN_CLEAN_UP_DELAY_TIME_IN_SECS = 0; // 0 secs to clean immediately
private static final long MAX_CHANNEL_OWNER_ELECTION_WAITING_TIME_IN_SECS = 10;
private static final int MAX_OUTSTANDING_PUB_MESSAGES = 500;
+ private static final long MAX_OWNED_BUNDLE_COUNT_DELAY_TIME_IN_MILLIS = 10 * 60 * 1000;
private final PulsarService pulsar;
private final ServiceConfiguration config;
private final Schema<ServiceUnitStateData> schema;
private final ConcurrentOpenHashMap<String, CompletableFuture<String>> getOwnerRequests;
private final String lookupServiceAddress;
private final ConcurrentOpenHashMap<String, CompletableFuture<Void>> cleanupJobs;
private final StateChangeListeners stateChangeListeners;
- private BrokerSelectionStrategy brokerSelector;
+ private ExtensibleLoadManagerImpl brokerSelector;
Review Comment:
We should change the field name.
##########
pulsar-broker/src/main/java/org/apache/pulsar/broker/loadbalance/extensions/strategy/DefaultNamespaceBundleSplitStrategyImpl.java:
##########
@@ -98,9 +98,8 @@ public Set<SplitDecision> findBundlesToSplit(LoadManagerContext context, PulsarS
if (!channel.isOwner(bundle)) {
if (debug) {
- log.error(String.format(CANNOT_SPLIT_BUNDLE_MSG
+ log.warn(String.format(CANNOT_SPLIT_BUNDLE_MSG
+ " This broker is not the owner.", bundle));
- counter.update(Failure, Unknown);
Review Comment:
Do we need update counter?
##########
pulsar-broker/src/main/java/org/apache/pulsar/broker/loadbalance/extensions/channel/ServiceUnitStateChannelImpl.java:
##########
@@ -329,9 +337,9 @@ protected LoadManagerContext getContext() {
}
@VisibleForTesting
- protected BrokerSelectionStrategy getBrokerSelector() {
+ protected ExtensibleLoadManagerImpl getBrokerSelector() {
Review Comment:
Same as the previous comment.
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[GitHub] [pulsar] lhotari commented on pull request #19945: [improve][broker] PIP-192 updated metrics and cleanup broker selector
Posted by "lhotari (via GitHub)" <gi...@apache.org>.
lhotari commented on PR #19945:
URL: https://github.com/apache/pulsar/pull/19945#issuecomment-1497230092
/pulsarbot rerun-failure-checks
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