Directory Sizes and ACLs
Standard directory size classes
Class 1: 10,000 50,000 100,000
Class 2: 100,000 250,000 500,000
Class 3: 500,000 750,000 1,000,000
Class 4: 1,000,000 2,500,000 5,000,000
Class 5: 5,000,000 7,500,000 10,000,000
Class 6: 10,000,000 25,000,000 50,000,000