diqiu50 commented on code in PR #12374: URL: https://github.com/apache/gravitino/pull/12374#discussion_r3766040943
########## core/src/test/java/org/apache/gravitino/storage/TestEntityStorageChangeLog.java: ########## @@ -0,0 +1,229 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.gravitino.storage; + +import java.time.Instant; +import java.util.List; +import org.apache.gravitino.Config; +import org.apache.gravitino.Configs; +import org.apache.gravitino.Entity; +import org.apache.gravitino.EntityStore; +import org.apache.gravitino.EntityStoreFactory; +import org.apache.gravitino.meta.AuditInfo; +import org.apache.gravitino.meta.BaseMetalake; +import org.apache.gravitino.meta.CatalogEntity; +import org.apache.gravitino.meta.SchemaEntity; +import org.apache.gravitino.meta.TableEntity; +import org.apache.gravitino.storage.relational.mapper.EntityChangeLogMapper; +import org.apache.gravitino.storage.relational.po.cache.EntityChangeRecord; +import org.apache.gravitino.storage.relational.po.cache.OperateType; +import org.apache.gravitino.storage.relational.utils.SessionUtils; +import org.apache.gravitino.utils.NameIdentifierUtil; +import org.apache.gravitino.utils.NamespaceUtil; +import org.junit.jupiter.api.Assertions; +import org.junit.jupiter.api.Tag; +import org.junit.jupiter.params.ParameterizedTest; +import org.junit.jupiter.params.provider.MethodSource; +import org.mockito.Mockito; + +/** Tests entity change logs through the relational {@link EntityStore}. */ +@Tag("gravitino-docker-test") Review Comment: Does this need to be tested in Docker? ########## core/src/main/java/org/apache/gravitino/storage/relational/EntityCacheChangeLogListener.java: ########## @@ -0,0 +1,104 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.gravitino.storage.relational; + +import com.google.common.base.Preconditions; +import java.util.List; +import java.util.Locale; +import org.apache.gravitino.Entity.EntityType; +import org.apache.gravitino.NameIdentifier; +import org.apache.gravitino.cache.EntityCache; +import org.apache.gravitino.storage.relational.po.cache.EntityChangeRecord; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * Keeps a per-node {@link EntityCache} coherent across a multi-node cluster by replaying {@code + * entity_change_log} rows written by other nodes. + * + * <p>Every ALTER/DROP row is replayed as a direct {@link EntityCache#invalidate(NameIdentifier, + * EntityType)} for exactly the changed entity key. Because the cache indexes its keys by identifier + * prefix, invalidating a container (for example a schema) cascades to its cached children on the + * local node through that forward prefix scan; no reverse index is involved. + * + * <p>This listener is registered only for a {@link + * org.apache.gravitino.cache.Coherence#LOCAL_PER_NODE} cache: a shared cache has a single + * cluster-wide copy and nothing per-node to invalidate. It is called <em>synchronously</em> on the + * poller thread, so it performs only fast, in-memory, idempotent invalidations. + */ +public class EntityCacheChangeLogListener implements EntityChangeLogListener { + + private static final Logger LOG = LoggerFactory.getLogger(EntityCacheChangeLogListener.class); + + private final EntityCache cache; + + /** + * Creates a listener that invalidates the given entity store cache. + * + * @param cache the per-node entity store cache to keep coherent + */ + public EntityCacheChangeLogListener(EntityCache cache) { + Preconditions.checkArgument(cache != null, "cache cannot be null"); + this.cache = cache; + } + + @Override + public void onEntityChange(List<EntityChangeRecord> changes) { + for (EntityChangeRecord change : changes) { + try { + EntityType type = entityType(change); + NameIdentifier ident = identifier(change); + if (type == null || ident == null) { + continue; + } + + LOG.debug("Invalidating entity cache due to entity change log: {} ({})", ident, type); + cache.invalidate(ident, type); + } catch (RuntimeException e) { Review Comment: How did you fix this here? -- This is an automated message from the Apache Git Service. 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