diff --git a/services/backup/src/DatabaseManager.cpp b/services/backup/src/DatabaseManager.cpp
index 7564e0467..dc828f452 100644
--- a/services/backup/src/DatabaseManager.cpp
+++ b/services/backup/src/DatabaseManager.cpp
@@ -1,173 +1,175 @@
 #include "DatabaseManager.h"
 #include "Constants.h"
 #include "GlobalTools.h"
 #include "Tools.h"
 
 #include <aws/core/utils/Outcome.h>
 #include <aws/dynamodb/model/DeleteItemRequest.h>
 #include <aws/dynamodb/model/QueryRequest.h>
 #include <aws/dynamodb/model/ScanRequest.h>
 #include <aws/dynamodb/model/UpdateItemRequest.h>
 
 #include <iostream>
 
 namespace comm {
 namespace network {
 namespace database {
 
 DatabaseManager &DatabaseManager::getInstance() {
   static DatabaseManager instance;
   return instance;
 }
 
 void DatabaseManager::putBackupItem(const BackupItem &item) {
   Aws::DynamoDB::Model::PutItemRequest request;
   request.SetTableName(BackupItem::tableName);
   request.AddItem(
       BackupItem::FIELD_USER_ID,
       Aws::DynamoDB::Model::AttributeValue(item.getUserID()));
   request.AddItem(
       BackupItem::FIELD_CREATED,
       Aws::DynamoDB::Model::AttributeValue(
           std::to_string(tools::getCurrentTimestamp())));
   request.AddItem(
       BackupItem::FIELD_BACKUP_ID,
       Aws::DynamoDB::Model::AttributeValue(item.getBackupID()));
   request.AddItem(
       BackupItem::FIELD_RECOVERY_DATA,
       Aws::DynamoDB::Model::AttributeValue(item.getRecoveryData()));
   request.AddItem(
       BackupItem::FIELD_COMPACTION_HOLDER,
       Aws::DynamoDB::Model::AttributeValue(item.getCompactionHolder()));
   if (!item.getAttachmentHolders().empty()) {
     request.AddItem(
         BackupItem::FIELD_ATTACHMENT_HOLDERS,
         Aws::DynamoDB::Model::AttributeValue(item.getAttachmentHolders()));
   }
 
   this->innerPutItem(std::make_shared<BackupItem>(item), request);
 }
 
 std::shared_ptr<BackupItem> DatabaseManager::findBackupItem(
     const std::string &userID,
     const std::string &backupID) {
   Aws::DynamoDB::Model::GetItemRequest request;
   request.AddKey(
       BackupItem::FIELD_USER_ID, Aws::DynamoDB::Model::AttributeValue(userID));
   request.AddKey(
       BackupItem::FIELD_BACKUP_ID,
       Aws::DynamoDB::Model::AttributeValue(backupID));
 
   return this->innerFindItem<BackupItem>(request);
 }
 
 std::shared_ptr<BackupItem>
 DatabaseManager::findLastBackupItem(const std::string &userID) {
   std::shared_ptr<BackupItem> item = createItemByType<BackupItem>();
 
   Aws::DynamoDB::Model::QueryRequest req;
   req.SetTableName(BackupItem::tableName);
   req.SetKeyConditionExpression(BackupItem::FIELD_USER_ID + " = :valueToMatch");
 
   AttributeValues attributeValues;
   attributeValues.emplace(":valueToMatch", userID);
 
   req.SetExpressionAttributeValues(attributeValues);
   req.SetIndexName("userID-created-index");
 
   req.SetLimit(1);
   req.SetScanIndexForward(false);
 
   const Aws::DynamoDB::Model::QueryOutcome &outcome =
       getDynamoDBClient()->Query(req);
   if (!outcome.IsSuccess()) {
     throw std::runtime_error(outcome.GetError().GetMessage());
   }
   const Aws::Vector<AttributeValues> &items = outcome.GetResult().GetItems();
   if (items.empty()) {
     return nullptr;
   }
   return std::make_shared<database::BackupItem>(items[0]);
 }
 
 void DatabaseManager::removeBackupItem(std::shared_ptr<BackupItem> item) {
   if (item == nullptr) {
     return;
   }
   this->innerRemoveItem(*item);
 }
 
 void DatabaseManager::putLogItem(const LogItem &item) {
   Aws::DynamoDB::Model::PutItemRequest request;
   request.SetTableName(LogItem::tableName);
   request.AddItem(
       LogItem::FIELD_BACKUP_ID,
       Aws::DynamoDB::Model::AttributeValue(item.getBackupID()));
   request.AddItem(
       LogItem::FIELD_LOG_ID,
       Aws::DynamoDB::Model::AttributeValue(item.getLogID()));
   request.AddItem(
       LogItem::FIELD_PERSISTED_IN_BLOB,
       Aws::DynamoDB::Model::AttributeValue(
           std::to_string(item.getPersistedInBlob())));
   request.AddItem(
       LogItem::FIELD_VALUE,
       Aws::DynamoDB::Model::AttributeValue(item.getValue()));
   if (!item.getAttachmentHolders().empty()) {
     request.AddItem(
         LogItem::FIELD_ATTACHMENT_HOLDERS,
         Aws::DynamoDB::Model::AttributeValue(item.getAttachmentHolders()));
   }
-
+  request.AddItem(
+      LogItem::FIELD_DATA_HASH,
+      Aws::DynamoDB::Model::AttributeValue(item.getDataHash()));
   this->innerPutItem(std::make_shared<LogItem>(item), request);
 }
 
 std::shared_ptr<LogItem> DatabaseManager::findLogItem(
     const std::string &backupID,
     const std::string &logID) {
   Aws::DynamoDB::Model::GetItemRequest request;
   request.AddKey(
       LogItem::FIELD_BACKUP_ID, Aws::DynamoDB::Model::AttributeValue(backupID));
   request.AddKey(
       LogItem::FIELD_LOG_ID, Aws::DynamoDB::Model::AttributeValue(logID));
 
   return this->innerFindItem<LogItem>(request);
 }
 
 std::vector<std::shared_ptr<LogItem>>
 DatabaseManager::findLogItemsForBackup(const std::string &backupID) {
   std::vector<std::shared_ptr<database::LogItem>> result;
   std::shared_ptr<LogItem> item = createItemByType<LogItem>();
 
   Aws::DynamoDB::Model::QueryRequest req;
   req.SetTableName(LogItem::tableName);
   req.SetKeyConditionExpression(LogItem::FIELD_BACKUP_ID + " = :valueToMatch");
 
   AttributeValues attributeValues;
   attributeValues.emplace(":valueToMatch", backupID);
 
   req.SetExpressionAttributeValues(attributeValues);
 
   const Aws::DynamoDB::Model::QueryOutcome &outcome =
       getDynamoDBClient()->Query(req);
   if (!outcome.IsSuccess()) {
     throw std::runtime_error(outcome.GetError().GetMessage());
   }
   const Aws::Vector<AttributeValues> &items = outcome.GetResult().GetItems();
   for (auto &item : items) {
     result.push_back(std::make_shared<database::LogItem>(item));
   }
 
   return result;
 }
 
 void DatabaseManager::removeLogItem(std::shared_ptr<LogItem> item) {
   if (item == nullptr) {
     return;
   }
   this->innerRemoveItem(*item);
 }
 
 } // namespace database
 } // namespace network
 } // namespace comm