[RANGER-2236] updatePolicy performance problem

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 0.7.0
• Component/s: admin
• Assignee: Unassigned
• Reporter: xiaoli
• Created: 27/Sep/18 06:18
• Updated: 15/Oct/18 07:29

Description

when a hdfs policy has many users,CreateNewPolicyItemsForPolicy and deleteExistingPolicyItems possible performance issues

List<XXPolicyItemUserPerm> users = userPermDao.findByPolicyItemId(polItemId);
for(XXPolicyItemUserPerm user : users)

{ userPermDao.remove(user); }

public boolean remove(T obj) {
if (obj == null)

{ return true; }

em.remove(obj);
em.flush();

return true;
}

---------------------------

Causes the updatePolicy method to return execution results slowly