[HADOOP-4399] fuse-dfs per FD context is not thread safe and can cause segfaults and corruptions

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 0.19.0
• Fix Version/s: 0.18.2
• Hadoop Flags: Reviewed
• Assignee: Pete Wyckoff
• Reporter: Pete Wyckoff
• Created: 13/Oct/08 00:56
• Updated: 08/Jul/09 17:05
• Resolved: 20/Oct/08 05:12

Description

for reads, optimal solution would be to have a per thread (per FD) context - including the buffer. Otherwise, protect the FD context with a mutex as in hadoop-4397 and hadoop-4398.

for writes, should just protect the context with a mutex as in hadoop-4398.

Issue Links

• relates to: HADOOP-4397 fuse-dfs causes corruptions on multi-threaded access