[MAPREDUCE-2248] DistributedRaidFileSystem should unraid only the corrupt block

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.23.0
• Fix Version/s: 0.23.0
• Hadoop Flags: Reviewed
• Assignee: Ramkumar Vadali
• Reporter: Ramkumar Vadali
• Created: 06/Jan/11 08:46
• Updated: 15/Nov/11 00:49
• Resolved: 13/Jan/11 00:32

Description

DistributedRaidFileSystem unraids the entire file if it hits a corrupt block. It is better to unraid just the corrupt block and use the rest of the file as normal. This becomes really important when we have tera-byte sized files.