[HDFS-4826] TestNestedSnapshots times out due to repeated slow edit log flushes when running on virtualized disk

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 2.1.0-beta
• Component/s: test
• Hadoop Flags: Reviewed
• Assignee: Chris Nauroth
• Reporter: Chris Nauroth
• Created: 15/May/13 21:55
• Updated: 27/Aug/13 22:07
• Resolved: 16/May/13 02:01

Description

As discussed on HDFS-2802, this test cannot complete in a reasonable time when running on slow virtualized disk. It creates 2^16 snapshots and numerous files, and the repeated edit log flushes are a performance problem.

Issue Links

• relates to: HDFS-2802 Support for RW/RO snapshots in HDFS