[HDFS-897] ReplicasMap remove has a bug in generation stamp comparison

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.21.0, 0.22.0
• Fix Version/s: 0.21.0
• Component/s: datanode
• Hadoop Flags: Reviewed
• Release Note: Fixed a bug in ReplicasMap.remove method, which compares the generation stamp of the replica removed to itself instead of the the block passed to the method to identify the replica to be removed.
• Assignee: Suresh Srinivas
• Reporter: Suresh Srinivas
• Created: 13/Jan/10 19:00
• Updated: 24/Aug/10 20:51
• Resolved: 14/Jan/10 23:28

Description

In ReplicasMap.remove(block), instead of comparing generation stamp of the entry in the map to that of the given block, the generation stamp of entry in the map is compared to itself.