[MINOR] feat(core): Support cached Entity Store.

core/build.gradle.kts

@@ -37,6 +37,7 @@ dependencies {
   implementation(libs.guava)
   implementation(libs.h2db)
   implementation(libs.mybatis)
+  implementation(libs.concurrent.trees)
 
   annotationProcessor(libs.lombok)
 

core/src/main/java/org/apache/gravitino/GravitinoEnv.java

@@ -25,6 +25,9 @@
 import org.apache.gravitino.authorization.FutureGrantManager;
 import org.apache.gravitino.authorization.OwnerManager;
 import org.apache.gravitino.auxiliary.AuxiliaryServiceManager;
+import org.apache.gravitino.cache.CacheConfig;
+import org.apache.gravitino.cache.CaffeineMetaCache;
+import org.apache.gravitino.cache.MetaCache;
 import org.apache.gravitino.catalog.CatalogDispatcher;
 import org.apache.gravitino.catalog.CatalogManager;
 import org.apache.gravitino.catalog.CatalogNormalizeDispatcher;
@@ -74,6 +77,7 @@
 import org.apache.gravitino.metrics.source.JVMMetricsSource;
 import org.apache.gravitino.storage.IdGenerator;
 import org.apache.gravitino.storage.RandomIdGenerator;
+import org.apache.gravitino.storage.relational.CachedEntityStore;
 import org.apache.gravitino.tag.TagDispatcher;
 import org.apache.gravitino.tag.TagManager;
 import org.slf4j.Logger;
@@ -133,6 +137,7 @@ public class GravitinoEnv {
   private EventBus eventBus;
   private OwnerManager ownerManager;
   private FutureGrantManager futureGrantManager;
+  private MetaCache metaCache;
 
   protected GravitinoEnv() {}
 
@@ -354,6 +359,10 @@ public FutureGrantManager futureGrantManager() {
     return futureGrantManager;
   }
 
+  public MetaCache metaCache() {
+    return metaCache;
+  }
+
   public void start() {
     metricsSystem.start();
     eventListenerManager.start();
@@ -418,6 +427,9 @@ private void initGravitinoServerComponents() {
     // Initialize EntityStore
     this.entityStore = EntityStoreFactory.createEntityStore(config);
     entityStore.initialize(config);
+    // TODO make it configurable
+    this.metaCache = CaffeineMetaCache.getInstance(new CacheConfig(), entityStore);
+    this.entityStore = new CachedEntityStore(entityStore, metaCache);
 
     // create and initialize a random id generator
     this.idGenerator = new RandomIdGenerator();