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Merged
zyclonite merged 4 commits into from
Apr 8, 2026
Merged

Bugfix/fix linear time search for registrations #157

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c7cabce
fix getRegistration linear time search
mutexd Mar 26, 2026
e770eb3
From comment
mutexd Mar 31, 2026
bce6cee
improve removeAllForNode
mutexd Mar 31, 2026
41876c8
Revert "improve removeAllForNode"
mutexd Mar 31, 2026
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133 changes: 103 additions & 30 deletions src/main/java/io/vertx/spi/cluster/ignite/impl/SubsMapHelper.java
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Original file line number Diff line number Diff line change
Expand Up @@ -26,15 +26,18 @@
import io.vertx.core.spi.cluster.RegistrationUpdateEvent;
import org.apache.ignite.Ignite;
import org.apache.ignite.IgniteCache;
import org.apache.ignite.cache.CacheEntryProcessor;
import org.apache.ignite.cache.query.ContinuousQuery;
import org.apache.ignite.cache.query.ScanQuery;

import javax.cache.Cache;
import javax.cache.CacheException;
import javax.cache.event.CacheEntryEvent;
import javax.cache.processor.MutableEntry;
import java.util.*;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import java.util.stream.Collectors;
import java.util.stream.StreamSupport;

/**
Expand All @@ -43,7 +46,7 @@
*/
public class SubsMapHelper {
private static final Logger log = LoggerFactory.getLogger(SubsMapHelper.class);
private final IgniteCache<IgniteRegistrationInfo, Boolean> map;
private final IgniteCache<String, Set<IgniteRegistrationInfo>> map;
private final RegistrationListener registrationListener;
private final ConcurrentMap<String, Set<RegistrationInfo>> localSubs = new ConcurrentHashMap<>();
private final Throttling throttling;
Expand All @@ -54,23 +57,21 @@ public SubsMapHelper(Ignite ignite, RegistrationListener registrationListener, V
this.registrationListener = registrationListener;
throttling = new Throttling(vertxInternal, a -> getAndUpdate(a, vertxInternal));
shutdown = false;
map.query(new ContinuousQuery<IgniteRegistrationInfo, Boolean>()
.setAutoUnsubscribe(true)
.setTimeInterval(100L)
.setPageSize(128)
.setLocalListener(l -> listen(l, vertxInternal)));
map.query(new ContinuousQuery<String, Set<IgniteRegistrationInfo>>()
.setAutoUnsubscribe(true)
.setTimeInterval(100L)
.setPageSize(128)
.setLocalListener(l -> listen(l, vertxInternal)));
}

public List<RegistrationInfo> get(String address) {
if (shutdown) {
return null;
return Collections.emptyList();
}
try {
List<Cache.Entry<IgniteRegistrationInfo, Boolean>> remote = map
.query(new ScanQuery<IgniteRegistrationInfo, Boolean>((k, v) -> k.address().equals(address)))
.getAll();
Set<IgniteRegistrationInfo> remote = map.get(address);
List<RegistrationInfo> infos;
int size = remote.size();
int size = (remote != null) ? remote.size() : 0;
Set<RegistrationInfo> local = localSubs.get(address);
if (local != null) {
synchronized (local) {
Expand All @@ -86,8 +87,10 @@ public List<RegistrationInfo> get(String address) {
} else {
infos = new ArrayList<>(size);
}
for (Cache.Entry<IgniteRegistrationInfo, Boolean> info : remote) {
infos.add(info.getKey().registrationInfo());
if (remote != null) {
for (IgniteRegistrationInfo info : remote) {
infos.add(info.registrationInfo());
}
}

return infos;
Expand All @@ -105,10 +108,10 @@ public Void put(String address, RegistrationInfo registrationInfo) {
localSubs.compute(address, (add, curr) -> addToSet(registrationInfo, curr));
fireRegistrationUpdateEvent(address);
} else {
map.put(new IgniteRegistrationInfo(address, registrationInfo), Boolean.TRUE);
map.invoke(address, new AddRegistrationProcessor(new IgniteRegistrationInfo(address, registrationInfo)));
}
} catch (IllegalStateException | CacheException e) {
throw new VertxException(e);
throw new VertxException(e, true);
}
return null;
}
Expand All @@ -128,7 +131,7 @@ public Void remove(String address, RegistrationInfo registrationInfo) {
localSubs.computeIfPresent(address, (add, curr) -> removeFromSet(registrationInfo, curr));
fireRegistrationUpdateEvent(address);
} else {
map.remove(new IgniteRegistrationInfo(address, registrationInfo), Boolean.TRUE);
map.invoke(address, new RemoveRegistrationProcessor(new IgniteRegistrationInfo(address, registrationInfo)));
}
} catch (IllegalStateException | CacheException e) {
throw new VertxException(e, true);
Expand All @@ -142,15 +145,19 @@ private Set<RegistrationInfo> removeFromSet(RegistrationInfo registrationInfo, S
}

public void removeAllForNode(String nodeId) {
List<Cache.Entry<IgniteRegistrationInfo, Boolean>> toRemove = map
.query(new ScanQuery<IgniteRegistrationInfo, Boolean>((k, v) -> k.registrationInfo().nodeId().equals(nodeId)))
.getAll();
for (Cache.Entry<IgniteRegistrationInfo, Boolean> info : toRemove) {
try {
map.remove(info.getKey(), Boolean.TRUE);
} catch (IllegalStateException | CacheException t) {
log.warn("Could not remove subscriber: " + t.getMessage());
try {
List<Cache.Entry<String, Set<IgniteRegistrationInfo>>> allEntries = map
.query(new ScanQuery<String, Set<IgniteRegistrationInfo>>(null))
.getAll();
if (allEntries == null || allEntries.isEmpty()) {
return;
}
Set<String> keys = allEntries.stream()
.map(Cache.Entry::getKey)
.collect(Collectors.toSet());
map.invokeAll(keys, new RemoveNodeRegistrationsProcessor(nodeId));
} catch (IllegalStateException | CacheException t) {
log.warn("Could not remove subscribers for nodeId " + nodeId + ": " + t.getMessage());
}
}

Expand All @@ -169,21 +176,87 @@ private Future<List<RegistrationInfo>> getAndUpdate(String address, VertxInterna
registrationListener.registrationsUpdated(new RegistrationUpdateEvent(address, registrationInfos));
});
vertxInternal.executeBlocking(() ->
get(address), false
get(address), false
).onComplete(prom);
} else {
prom.complete();
}
return prom.future();
}

private void listen(final Iterable<CacheEntryEvent<? extends IgniteRegistrationInfo, ? extends Boolean>> events, final VertxInternal vertxInternal) {
private void listen(final Iterable<CacheEntryEvent<? extends String, ? extends Set<IgniteRegistrationInfo>>> events, final VertxInternal vertxInternal) {
vertxInternal.executeBlocking(() -> {
StreamSupport.stream(events.spliterator(), false)
.map(e -> e.getKey().address())
.distinct()
.forEach(this::fireRegistrationUpdateEvent);
.map(Cache.Entry::getKey)
.distinct()
.forEach(this::fireRegistrationUpdateEvent);
return null;
}, false);
}
}

private static class AddRegistrationProcessor implements CacheEntryProcessor<String, Set<IgniteRegistrationInfo>, Void> {
private static final long serialVersionUID = 1L;
private final IgniteRegistrationInfo info;

AddRegistrationProcessor(IgniteRegistrationInfo info) {
this.info = info;
}

@Override
public Void process(MutableEntry<String, Set<IgniteRegistrationInfo>> entry, Object... arguments) {
Set<IgniteRegistrationInfo> current = entry.getValue();
if (current == null) {
current = new HashSet<>();
}
current.add(info);
entry.setValue(current);
return null;
}
}

private static class RemoveRegistrationProcessor implements CacheEntryProcessor<String, Set<IgniteRegistrationInfo>, Void> {
private static final long serialVersionUID = 1L;
private final IgniteRegistrationInfo info;

RemoveRegistrationProcessor(IgniteRegistrationInfo info) {
this.info = info;
}

@Override
public Void process(MutableEntry<String, Set<IgniteRegistrationInfo>> entry, Object... arguments) {
Set<IgniteRegistrationInfo> current = entry.getValue();
if (current != null) {
current.remove(info);
if (current.isEmpty()) {
entry.remove();
} else {
entry.setValue(current);
}
}
return null;
}
}

private static class RemoveNodeRegistrationsProcessor implements CacheEntryProcessor<String, Set<IgniteRegistrationInfo>, Void> {
private static final long serialVersionUID = 1L;
private final String nodeId;

RemoveNodeRegistrationsProcessor(String nodeId) {
this.nodeId = nodeId;
}

@Override
public Void process(MutableEntry<String, Set<IgniteRegistrationInfo>> entry, Object... arguments) {
Set<IgniteRegistrationInfo> current = entry.getValue();
if (current != null) {
current.removeIf(info -> info.registrationInfo().nodeId().equals(nodeId));
if (current.isEmpty()) {
entry.remove();
} else {
entry.setValue(current);
}
}
return null;
}
}
}
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