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Allow concurrent remote cache operations (#25390)

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Closes #25388

Signed-off-by: Alexander Schwartz <aschwart@redhat.com>
This commit is contained in:
Alexander Schwartz 2023-12-08 10:07:25 +01:00 committed by GitHub
parent 9afa5f86ec
commit 5b1b3ca11b
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4 changed files with 57 additions and 44 deletions
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12
model/infinispan/src/main/java/org/keycloak/cluster/infinispan/InfinispanClusterProviderFactory.java
View file

@ -215,21 +215,13 @@ public class InfinispanClusterProviderFactory implements ClusterProviderFactory
}
logger.debugf("Nodes %s removed from cluster. Removing tasks locked by this nodes", removedNodesAddresses.toString());
/*
workaround for Infinispan 12.1.7.Final to prevent a deadlock while
DefaultInfinispanConnectionProviderFactory is shutting down PersistenceManagerImpl
that acquires a writeLock and this removal that acquires a readLock.
First seen with https://issues.redhat.com/browse/ISPN-13664 and still occurs probably due to
https://issues.redhat.com/browse/ISPN-13666 in 13.0.10
Tracked in https://github.com/keycloak/keycloak/issues/9871
*/
synchronized (DefaultInfinispanConnectionProviderFactory.class) {
DefaultInfinispanConnectionProviderFactory.runWithReadLockOnCacheManager(() -> {
if (workCache.getStatus() == ComponentStatus.RUNNING) {
workCache.entrySet().removeIf(new LockEntryPredicate(removedNodesAddresses));
} else {
logger.warn("work cache is not running, ignoring event");
}
}
});
}
} catch (Throwable t) {
logger.error("caught exception in ViewChangeListener", t);

21
model/infinispan/src/main/java/org/keycloak/cluster/infinispan/InfinispanNotificationsManager.java
View file

@ -158,17 +158,9 @@ public class InfinispanNotificationsManager {
// Add directly to remoteCache. Will notify remote listeners on all nodes in all DCs
Retry.executeWithBackoff((int iteration) -> {
try {
/*
workaround for Infinispan 12.1.7.Final to prevent a deadlock while
DefaultInfinispanConnectionProviderFactory is shutting down PersistenceManagerImpl
that acquires a writeLock and this put that acquires a readLock.
First seen with https://issues.redhat.com/browse/ISPN-13664 and still occurs probably due to
https://issues.redhat.com/browse/ISPN-13666 in 13.0.10
Tracked in https://github.com/keycloak/keycloak/issues/9871
*/
synchronized (DefaultInfinispanConnectionProviderFactory.class) {
workRemoteCache.put(eventKey, wrappedEvent, 120, TimeUnit.SECONDS);
}
DefaultInfinispanConnectionProviderFactory.runWithReadLockOnCacheManager(() ->
workRemoteCache.put(eventKey, wrappedEvent, 120, TimeUnit.SECONDS)
);
} catch (HotRodClientException re) {
if (logger.isDebugEnabled()) {
logger.debugf(re, "Failed sending notification to remote cache '%s'. Key: '%s', iteration '%s'. Will try to retry the task",
@ -250,10 +242,9 @@ public class InfinispanNotificationsManager {
https://issues.redhat.com/browse/ISPN-13666 in 13.0.10
Tracked in https://github.com/keycloak/keycloak/issues/9871
*/
Object value;
synchronized (DefaultInfinispanConnectionProviderFactory.class) {
value = remoteCache.get(key);
}
Object value = DefaultInfinispanConnectionProviderFactory.runWithReadLockOnCacheManager(() ->
remoteCache.get(key)
);
eventReceived(key, (Serializable) value);
});

45
model/infinispan/src/main/java/org/keycloak/connections/infinispan/DefaultInfinispanConnectionProviderFactory.java
View file

@ -17,7 +17,6 @@
package org.keycloak.connections.infinispan;
import org.infinispan.Cache;
import org.infinispan.client.hotrod.ProtocolVersion;
import org.infinispan.commons.dataconversion.MediaType;
import org.infinispan.configuration.cache.CacheMode;
@ -29,7 +28,6 @@ import org.infinispan.eviction.EvictionType;
import org.infinispan.jboss.marshalling.core.JBossUserMarshaller;
import org.infinispan.manager.DefaultCacheManager;
import org.infinispan.manager.EmbeddedCacheManager;
import org.infinispan.persistence.manager.PersistenceManager;
import org.infinispan.persistence.remote.configuration.RemoteStoreConfigurationBuilder;
import org.infinispan.transaction.LockingMode;
import org.infinispan.transaction.TransactionMode;
@ -53,6 +51,10 @@ import org.keycloak.provider.ProviderEvent;
import java.util.Iterator;
import java.util.ServiceLoader;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReadWriteLock;
import java.util.concurrent.locks.ReentrantReadWriteLock;
import java.util.function.Supplier;
import static org.keycloak.connections.infinispan.InfinispanUtil.configureTransport;
import static org.keycloak.connections.infinispan.InfinispanUtil.createCacheConfigurationBuilder;
@ -66,6 +68,7 @@ import static org.keycloak.models.cache.infinispan.InfinispanCacheRealmProviderF
*/
public class DefaultInfinispanConnectionProviderFactory implements InfinispanConnectionProviderFactory {
private static final ReadWriteLock READ_WRITE_LOCK = new ReentrantReadWriteLock();
private static final Logger logger = Logger.getLogger(DefaultInfinispanConnectionProviderFactory.class);
private Config.Scope config;
@ -85,8 +88,6 @@ public class DefaultInfinispanConnectionProviderFactory implements InfinispanCon
return new DefaultInfinispanConnectionProvider(cacheManager, remoteCacheProvider, topologyInfo);
}
@Override
public void close() {
/*
workaround for Infinispan 12.1.7.Final to prevent a deadlock while
DefaultInfinispanConnectionProviderFactory is shutting down PersistenceManagerImpl
@ -95,14 +96,46 @@ public class DefaultInfinispanConnectionProviderFactory implements InfinispanCon
https://issues.redhat.com/browse/ISPN-13666 in 13.0.10
Tracked in https://github.com/keycloak/keycloak/issues/9871
*/
synchronized (DefaultInfinispanConnectionProviderFactory.class) {
public static void runWithReadLockOnCacheManager(Runnable task) {
Lock lock = DefaultInfinispanConnectionProviderFactory.READ_WRITE_LOCK.readLock();
lock.lock();
try {
task.run();
} finally {
lock.unlock();
}
}
public static <T> T runWithReadLockOnCacheManager(Supplier<T> task) {
Lock lock = DefaultInfinispanConnectionProviderFactory.READ_WRITE_LOCK.readLock();
lock.lock();
try {
return task.get();
} finally {
lock.unlock();
}
}
public static void runWithWriteLockOnCacheManager(Runnable task) {
Lock lock = DefaultInfinispanConnectionProviderFactory.READ_WRITE_LOCK.writeLock();
lock.lock();
try {
task.run();
} finally {
lock.unlock();
}
}
@Override
public void close() {
runWithWriteLockOnCacheManager(() -> {
if (cacheManager != null && !containerManaged) {
cacheManager.stop();
}
if (remoteCacheProvider != null) {
remoteCacheProvider.stop();
}
}
});
}
@Override

11
model/infinispan/src/main/java/org/keycloak/models/sessions/infinispan/util/InfinispanKeyGenerator.java
View file

@ -61,14 +61,11 @@ public class InfinispanKeyGenerator {
boolean wantsLocalKey = !session.getProvider(StickySessionEncoderProvider.class).shouldAttachRoute();
if (wantsLocalKey && cache.getCacheConfiguration().clustering().cacheMode().isClustered()) {
KeyAffinityService<K> keyAffinityService = keyAffinityServices.get(cacheName);
if (keyAffinityService == null) {
keyAffinityService = createKeyAffinityService(cache, keyGenerator);
keyAffinityServices.put(cacheName, keyAffinityService);
KeyAffinityService<K> keyAffinityService = keyAffinityServices.computeIfAbsent(cacheName, s -> {
KeyAffinityService<K> k = createKeyAffinityService(cache, keyGenerator);
log.debugf("Registered key affinity service for cache '%s'", cacheName);
}
return k;
});
return keyAffinityService.getKeyForAddress(cache.getCacheManager().getAddress());
} else {
return keyGenerator.getKey();