[HADOOP-3001] FileSystems should track how many bytes are read and written

• Type: New Feature
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Fix Version/s: 0.17.0
• Component/s: fs
• Hadoop Flags: Reviewed
• Release Note: Adds new framework map/reduce counters that track the number of bytes read and written to HDFS, local, KFS, and S3 file systems.
• Assignee: Owen O'Malley
• Reporter: Owen O'Malley
• Created: 11/Mar/08 22:16
• Updated: 21/May/08 20:06
• Resolved: 04/Apr/08 03:30

Description

It would be nice if the file systems could track the number of bytes read and written for each class of FileSystem. Map/Reduce could then report these numbers back as counters to provide information about how much data is read and written.