[HADOOP-8854] Document backward incompatible changes between hadoop-1.x and 2.x

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Won't Fix
• Affects Version/s: 2.0.2-alpha, 3.0.0-alpha1
• Assignee: Suresh Srinivas
• Reporter: Arpit Gupta
• Created: 25/Sep/12 23:00
• Updated: 12/May/16 21:59
• Resolved: 12/May/16 21:59

Description

We should create a new site document to explicitly list down the know incompatible changes between hadoop 1.x and 2.x

I believe this will make it easier for users to determine all the changes one needs to make when moving from 1.x to 2.x

Issue Links

• is related to: HADOOP-8551 fs -mkdir creates parent directories without the -p option
• is related to: HDFS-3446 HostsFileReader silently ignores bad includes/excludes