diff --git a/hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/batch/mdm/MdmBatchJobSubmitterFactoryImpl.java b/hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/batch/mdm/MdmBatchJobSubmitterFactoryImpl.java
index e31df97cc3c..d03b9935b7c 100644
--- a/hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/batch/mdm/MdmBatchJobSubmitterFactoryImpl.java
+++ b/hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/batch/mdm/MdmBatchJobSubmitterFactoryImpl.java
@@ -1,5 +1,25 @@
 package ca.uhn.fhir.jpa.batch.mdm;
 
+/*-
+ * #%L
+ * HAPI FHIR JPA Server
+ * %%
+ * Copyright (C) 2014 - 2021 Smile CDR, Inc.
+ * %%
+ * Licensed 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.
+ * #L%
+ */
+
 import ca.uhn.fhir.mdm.api.IMdmBatchJobSubmitterFactory;
 import ca.uhn.fhir.mdm.api.IMdmClearJobSubmitter;
 import org.springframework.beans.factory.annotation.Autowired;
diff --git a/hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/batch/reader/BaseReverseCronologicalBatchPidReader.java b/hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/batch/reader/BaseReverseCronologicalBatchPidReader.java
index d682728119c..46c5e91c22f 100644
--- a/hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/batch/reader/BaseReverseCronologicalBatchPidReader.java
+++ b/hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/batch/reader/BaseReverseCronologicalBatchPidReader.java
@@ -1,5 +1,25 @@
 package ca.uhn.fhir.jpa.batch.reader;
 
+/*-
+ * #%L
+ * HAPI FHIR JPA Server
+ * %%
+ * Copyright (C) 2014 - 2021 Smile CDR, Inc.
+ * %%
+ * Licensed 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.
+ * #L%
+ */
+
 import ca.uhn.fhir.context.FhirContext;
 import ca.uhn.fhir.interceptor.model.RequestPartitionId;
 import ca.uhn.fhir.jpa.api.config.DaoConfig;
diff --git a/hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/util/MemoryCacheService.java b/hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/util/MemoryCacheService.java
index 98cbd6cc6d8..e8968aac543 100644
--- a/hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/util/MemoryCacheService.java
+++ b/hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/util/MemoryCacheService.java
@@ -172,6 +172,10 @@ public class MemoryCacheService {
 		return (Cache<K, T>) myCaches.get(theCache);
 	}
 
+	public long getEstimatedSize(CacheEnum theCache) {
+		return getCache(theCache).estimatedSize();
+	}
+
 	public enum CacheEnum {
 
 		TAG_DEFINITION(TagDefinitionCacheKey.class),