diff --git a/monasca_api/common/repositories/sqla/models.py b/monasca_api/common/repositories/sqla/models.py
index dbfcb57f1..0e52b0e46 100644
--- a/monasca_api/common/repositories/sqla/models.py
+++ b/monasca_api/common/repositories/sqla/models.py
@@ -18,7 +18,7 @@
 from sqlalchemy import Column
 from sqlalchemy.ext import compiler
 from sqlalchemy.sql import expression
-from sqlalchemy import String, DateTime, Boolean, Integer, Binary, Float
+from sqlalchemy import String, DateTime, Boolean, Integer, LargeBinary, Float
 from sqlalchemy import MetaData
 from sqlalchemy import Table
 
@@ -76,14 +76,14 @@ def create_aa_model(metadata=None):
 
 def create_md_model(metadata=None):
     return Table('metric_dimension', metadata,
-                 Column('dimension_set_id', Binary),
+                 Column('dimension_set_id', LargeBinary),
                  Column('name', String(255)),
                  Column('value', String(255)))
 
 
 def create_mde_model(metadata=None):
     return Table('metric_definition', metadata,
-                 Column('id', Binary),
+                 Column('id', LargeBinary),
                  Column('name', String(255)),
                  Column('tenant_id', String(255)),
                  Column('region', String(255)))
@@ -108,15 +108,15 @@ def create_nmt_model(metadata=None):
 
 def create_mdd_model(metadata=None):
     return Table('metric_definition_dimensions', metadata,
-                 Column('id', Binary),
-                 Column('metric_definition_id', Binary),
-                 Column('metric_dimension_set_id', Binary))
+                 Column('id', LargeBinary),
+                 Column('metric_definition_id', LargeBinary),
+                 Column('metric_dimension_set_id', LargeBinary))
 
 
 def create_am_model(metadata=None):
     return Table('alarm_metric', metadata,
                  Column('alarm_id', String(36)),
-                 Column('metric_definition_dimensions_id', Binary))
+                 Column('metric_definition_dimensions_id', LargeBinary))
 
 
 def create_ad_model(metadata=None):
diff --git a/monasca_api/common/repositories/sqla/sql_repository.py b/monasca_api/common/repositories/sqla/sql_repository.py
index fdd148c78..4bedbbe94 100644
--- a/monasca_api/common/repositories/sqla/sql_repository.py
+++ b/monasca_api/common/repositories/sqla/sql_repository.py
@@ -33,7 +33,7 @@ def _get_db_conf(conf_group, connection=None):
         __autocommit=True,
         expire_on_commit=False,
         mysql_sql_mode=conf_group.mysql_sql_mode,
-        idle_timeout=conf_group.idle_timeout,
+        connection_recycle_time=conf_group.connection_recycle_time,
         connection_debug=conf_group.connection_debug,
         max_pool_size=conf_group.max_pool_size,
         max_overflow=conf_group.max_overflow,
diff --git a/monasca_api/db/fingerprint.py b/monasca_api/db/fingerprint.py
index 036651f52..6f75e5a56 100644
--- a/monasca_api/db/fingerprint.py
+++ b/monasca_api/db/fingerprint.py
@@ -48,7 +48,7 @@ class Fingerprint(object):
 
     @staticmethod
     def _get_metadata(engine):
-        return MetaData(bind=engine, reflect=True)
+        return MetaData(bind=engine)
 
     @staticmethod
     def _get_schema_raw(metadata):