[HADOOP-10833] Remove unused cache in UserProvider

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.4.1
• Fix Version/s: 2.6.0
• Component/s: security
• Assignee: Benoy Antony
• Reporter: Benoy Antony
• Created: 15/Jul/14 17:06
• Updated: 01/Dec/14 03:10
• Resolved: 30/Aug/14 20:09

Description

UserProvider contains the field cache.

  private final Map<String, CredentialEntry> cache = new HashMap<String, 
      CredentialEntry>();

It is referenced only in deleteCredentialEntry and so there is no real usage of cache.

Issue Links

• is related to: HADOOP-10607 Create an API to Separate Credentials/Password Storage from Applications