DFS files should be appendable

• Key: HADOOP-337
• Type: New Feature
• Status: Closed
• Resolution: Duplicate
• Priority: Major
• Assignee: Sameer Paranjpye
• Reporter: Runping Qi
• Affects Version/s: 0.1.0, 0.1.1, 0.2.0, 0.2.1, 0.3.0, 0.3.1, 0.3.2, 0.4.0

Description

Actually two related issues

1. One should be able to open an existing DFS file, to seek to a position and truncate the rest, and to append starting at the end (or where trancation happens) .
2. One should be able to read the writen data of a DFS file while other is writing/appending to the file