=== modified file 'dhis-2/dhis-api/src/main/java/org/hisp/dhis/common/GenericIdentifiableObjectStore.java'
--- dhis-2/dhis-api/src/main/java/org/hisp/dhis/common/GenericIdentifiableObjectStore.java	2015-10-08 14:12:50 +0000
+++ dhis-2/dhis-api/src/main/java/org/hisp/dhis/common/GenericIdentifiableObjectStore.java	2015-10-12 09:16:42 +0000
@@ -185,6 +185,14 @@
     int getCountLikeName( String name );
 
     /**
+     * Retrieves a list of objects referenced by the given collection of ids.
+     *
+     * @param uids a collection of ids.
+     * @return a list of objects.
+     */
+    List<T> getById( Collection<Integer> ids );
+    
+    /**
      * Retrieves a list of objects referenced by the given collection of uids.
      *
      * @param uids a collection of uids.

=== modified file 'dhis-2/dhis-services/dhis-service-core/src/main/java/org/hisp/dhis/common/hibernate/HibernateIdentifiableObjectStore.java'
--- dhis-2/dhis-services/dhis-service-core/src/main/java/org/hisp/dhis/common/hibernate/HibernateIdentifiableObjectStore.java	2015-10-08 14:12:50 +0000
+++ dhis-2/dhis-services/dhis-service-core/src/main/java/org/hisp/dhis/common/hibernate/HibernateIdentifiableObjectStore.java	2015-10-12 09:16:42 +0000
@@ -425,6 +425,18 @@
 
     @Override
     @SuppressWarnings( "unchecked" )
+    public List<T> getById( Collection<Integer> ids )
+    {
+        if ( ids == null ||ids.isEmpty() )
+        {
+            return new ArrayList<>();
+        }
+
+        return getSharingCriteria().add( Restrictions.in( "id", ids ) ).list();
+    }
+
+    @Override
+    @SuppressWarnings( "unchecked" )
     public List<T> getByUid( Collection<String> uids )
     {
         if ( uids == null || uids.isEmpty() )

=== modified file 'dhis-2/dhis-services/dhis-service-core/src/main/java/org/hisp/dhis/organisationunit/DefaultOrganisationUnitService.java'
--- dhis-2/dhis-services/dhis-service-core/src/main/java/org/hisp/dhis/organisationunit/DefaultOrganisationUnitService.java	2015-10-08 14:29:41 +0000
+++ dhis-2/dhis-services/dhis-service-core/src/main/java/org/hisp/dhis/organisationunit/DefaultOrganisationUnitService.java	2015-10-12 09:16:42 +0000
@@ -197,18 +197,9 @@
     }
 
     @Override
-    public List<OrganisationUnit> getOrganisationUnits( final Collection<Integer> identifiers )
+    public List<OrganisationUnit> getOrganisationUnits( Collection<Integer> identifiers )
     {
-        List<OrganisationUnit> objects = getAllOrganisationUnits();
-
-        return identifiers == null ? objects : FilterUtils.filter( objects, new Filter<OrganisationUnit>()
-        {
-            @Override
-            public boolean retain( OrganisationUnit object )
-            {
-                return identifiers.contains( object.getId() );
-            }
-        } );
+        return i18n( i18nService, organisationUnitStore.getById( identifiers ) );
     }
 
     @Override

=== modified file 'dhis-2/dhis-services/dhis-service-reporting/src/main/java/org/hisp/dhis/completeness/impl/AbstractDataSetCompletenessService.java'
--- dhis-2/dhis-services/dhis-service-reporting/src/main/java/org/hisp/dhis/completeness/impl/AbstractDataSetCompletenessService.java	2015-10-03 11:09:07 +0000
+++ dhis-2/dhis-services/dhis-service-reporting/src/main/java/org/hisp/dhis/completeness/impl/AbstractDataSetCompletenessService.java	2015-10-12 09:16:42 +0000
@@ -34,6 +34,7 @@
 import java.util.Collection;
 import java.util.HashSet;
 import java.util.List;
+import java.util.Map;
 import java.util.Set;
 
 import org.hisp.dhis.completeness.DataSetCompletenessResult;
@@ -49,6 +50,7 @@
 import org.hisp.dhis.period.PeriodService;
 import org.springframework.transaction.annotation.Transactional;
 
+import com.google.common.collect.Maps;
 import com.google.common.collect.Sets;
 
 /**
@@ -168,10 +170,12 @@
             periodService.getPeriodsBetweenDates( dataSet.getPeriodType(), period.getStartDate(), period.getEndDate() ) );
 
         final List<DataSetCompletenessResult> results = new ArrayList<>();
-
+        
+        final Map<Integer, OrganisationUnit> orgUnits = Maps.uniqueIndex( organisationUnitService.getOrganisationUnits( organisationUnitIds ), OrganisationUnit::getId );
+        
         for ( final Integer unitId : organisationUnitIds )
         {
-            final OrganisationUnit unit = organisationUnitService.getOrganisationUnit( unitId );
+            final OrganisationUnit unit = orgUnits.get( unitId );
 
             final Set<Integer> children = organisationUnitService.getOrganisationUnitHierarchy().getChildren(
                 unit.getId() );