[HADOOP-9495] Define behaviour of Seekable.seek(), write tests, fix all hadoop implementations for compliance

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.2.0, 3.0.0-alpha1
• Fix Version/s: 2.5.0
• Component/s: fs
• Assignee: Steve Loughran
• Reporter: Steve Loughran
• Created: 23/Apr/13 16:31
• Updated: 12/May/16 18:27
• Resolved: 03/Jul/14 13:04

Description

Seekable.seek() seems a good starting point for specifying, testing and implementing FS API compliance: one method, relatively non-ambiguous semantics, easily assessed used in the Hadoop codebase. Specify and test it first

Issue Links

• is part of: HADOOP-9361 Strictly define the expected behavior of filesystem APIs and write tests to verify compliance
• relates to: HADOOP-9307 BufferedFSInputStream.read returns wrong results after certain seeks