[HADOOP-8649] ChecksumFileSystem should have an overriding implementation of listStatus(Path, PathFilter) for improved performance

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Won't Fix
• Affects Version/s: 1.0.3, 2.0.0-alpha
• Assignee: Karthik Kambatla
• Reporter: Karthik Kambatla
• Created: 03/Aug/12 21:31
• Updated: 03/Nov/14 18:34
• Resolved: 12/Mar/14 18:41

Description

Currently, ChecksumFileSystem implements only listStatus(Path).

The other form of listStatus(Path, customFilter) results in parsing the list twice to apply each of the filters - custom and checksum filter.

By using a composite filter instead, we limit the parsing to once.