diff --git a/persistence-service-v1/persistence-service-processor-v1/src/main/java/com/iqser/red/service/persistence/management/v1/processor/migration/StorageToMongoCopyService.java b/persistence-service-v1/persistence-service-processor-v1/src/main/java/com/iqser/red/service/persistence/management/v1/processor/migration/StorageToMongoCopyService.java
index ad948611e..64df2ce1a 100644
--- a/persistence-service-v1/persistence-service-processor-v1/src/main/java/com/iqser/red/service/persistence/management/v1/processor/migration/StorageToMongoCopyService.java
+++ b/persistence-service-v1/persistence-service-processor-v1/src/main/java/com/iqser/red/service/persistence/management/v1/processor/migration/StorageToMongoCopyService.java
@@ -49,8 +49,9 @@ public class StorageToMongoCopyService {
             log.info("Reading dossier {} file {} from storage", dossierFile.dossierId, dossierFile.fileId);
             Optional<EntityLog> entityLogFromStorage = getEntityLogFromStorageForMigration(dossierFile.dossierId, dossierFile.fileId);
             if (entityLogFromStorage.isPresent()) {
-                log.info("File found, now  saving in mongodb");
-                fileManagementStorageService.saveEntityLog(dossierFile.dossierId, dossierFile.fileId, entityLogFromStorage.get());
+                log.info("File found, now saving in mongodb");
+                fileManagementStorageService.deleteEntityLog(dossierFile.dossierId, dossierFile.fileId);
+                fileManagementStorageService.insertEntityLog(dossierFile.dossierId, dossierFile.fileId, entityLogFromStorage.get());
                 log.info("Deleting old file from storage");
                 fileManagementStorageService.deleteObject(dossierFile.dossierId, dossierFile.fileId, FileType.ENTITY_LOG);
             }
diff --git a/persistence-service-v1/persistence-service-processor-v1/src/main/java/com/iqser/red/service/persistence/management/v1/processor/service/FileManagementStorageService.java b/persistence-service-v1/persistence-service-processor-v1/src/main/java/com/iqser/red/service/persistence/management/v1/processor/service/FileManagementStorageService.java
index f2e5867d5..289109aba 100644
--- a/persistence-service-v1/persistence-service-processor-v1/src/main/java/com/iqser/red/service/persistence/management/v1/processor/service/FileManagementStorageService.java
+++ b/persistence-service-v1/persistence-service-processor-v1/src/main/java/com/iqser/red/service/persistence/management/v1/processor/service/FileManagementStorageService.java
@@ -145,6 +145,12 @@ public class FileManagementStorageService {
         entityLogMongoService.saveEntityLog(dossierId, fileId, entityLog);
     }
 
+    @SneakyThrows
+    public void insertEntityLog(String dossierId, String fileId, EntityLog entityLog) {
+
+        entityLogMongoService.insertEntityLog(dossierId, fileId, entityLog);
+    }
+
 
     @SneakyThrows
     public void saveComponentLog(String dossierId, String fileId, ComponentLog componentLog) {
diff --git a/persistence-service-v1/persistence-service-server-v1/src/test/java/com/iqser/red/service/peristence/v1/server/integration/tests/performance/StorageToMongoDBPerformanceTest.java b/persistence-service-v1/persistence-service-server-v1/src/test/java/com/iqser/red/service/peristence/v1/server/integration/tests/performance/StorageToMongoDBPerformanceTest.java
new file mode 100644
index 000000000..0db90f601
--- /dev/null
+++ b/persistence-service-v1/persistence-service-server-v1/src/test/java/com/iqser/red/service/peristence/v1/server/integration/tests/performance/StorageToMongoDBPerformanceTest.java
@@ -0,0 +1,84 @@
+package com.iqser.red.service.peristence.v1.server.integration.tests.performance;
+
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.util.LinkedList;
+import java.util.concurrent.CompletableFuture;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Disabled;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+
+import com.iqser.red.service.peristence.v1.server.integration.service.DossierTesterAndProvider;
+import com.iqser.red.service.peristence.v1.server.integration.service.FileTesterAndProvider;
+import com.iqser.red.service.peristence.v1.server.integration.utils.AbstractPersistenceServerServiceTest;
+import com.iqser.red.service.persistence.management.v1.processor.migration.StorageToMongoCopyService;
+import com.iqser.red.service.persistence.management.v1.processor.utils.StorageIdUtils;
+import com.iqser.red.service.persistence.service.v1.api.shared.model.dossiertemplate.dossier.Dossier;
+import com.iqser.red.service.persistence.service.v1.api.shared.model.dossiertemplate.dossier.file.FileType;
+import com.iqser.red.service.persistence.service.v1.api.shared.mongo.service.EntityLogMongoService;
+import com.iqser.red.storage.commons.service.StorageService;
+import com.knecon.fforesight.tenantcommons.TenantContext;
+
+import lombok.SneakyThrows;
+@Disabled
+public class StorageToMongoDBPerformanceTest extends AbstractPersistenceServerServiceTest {
+
+    public static final int NUMBER_OF_FILES = 10;
+    @Autowired
+    private StorageToMongoCopyService storageToMongoCopyService;
+    @Autowired
+    private StorageService storageService;
+    @Autowired
+    private FileTesterAndProvider fileTesterAndProvider;
+    @Autowired
+    private DossierTesterAndProvider dossierTesterAndProvider;
+    @Autowired
+    private EntityLogMongoService entityLogMongoService;
+
+
+    @BeforeEach
+    @SneakyThrows
+    public void setUp() {
+
+
+    }
+
+
+    @Test
+    @SneakyThrows
+    public void testSavePerformance() {
+
+        var dossier = dossierTesterAndProvider.provideTestDossier();
+        LinkedList<CompletableFuture<Void>> futures = new LinkedList<>();
+        for (int i = 0; i < NUMBER_OF_FILES; i++) {
+            int number = i;
+            futures.add(CompletableFuture.supplyAsync(() -> {
+                prepStorageForFile(dossier, number);
+                return null;
+            }));
+        }
+
+        futures.forEach(CompletableFuture::join);
+        TenantContext.setTenantId(TENANT_1);
+        long start = System.currentTimeMillis();
+        storageToMongoCopyService.copy();
+        long end = System.currentTimeMillis();
+        System.out.println("Saving of" + NUMBER_OF_FILES + " files took " + (end - start) + "ms");
+    }
+
+
+    @SneakyThrows
+    private void prepStorageForFile(Dossier dossier, int i) {
+
+        TenantContext.setTenantId(TENANT_1);
+
+        var file = fileTesterAndProvider.testAndProvideFile(dossier, "file" + i);
+        try (var in = new FileInputStream("/home/kschuettler/Dokumente/TestFiles/entitylogs/largeEntitylog.json")) {
+            storageService.storeObject(TENANT_1, StorageIdUtils.getStorageId(dossier.getId(), file.getId(), FileType.ENTITY_LOG), in);
+        }
+        entityLogMongoService.deleteEntityLog(dossier.getId(), file.getId());
+    }
+
+}