[HADOOP-1946] du should be not called on every heartbeat

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 0.15.0
• Fix Version/s: 0.15.0
• Assignee: Hairong Kuang
• Reporter: Konstantin Shvachko
• Created: 25/Sep/07 22:58
• Updated: 02/May/13 02:29
• Resolved: 01/Oct/07 18:06

Description

Data-nodes run very slow. The reason is that du is executed on each and every heartbeat.
Looks like the condition in DU.getUsed(), which triggers the refresh of cached values, should be reversed.

Issue Links

• is depended upon by: HDFS-56 Datanodes get error message "is valid, and cannot be written to"