[HDFS-15538] Fix the documentation for dfs.namenode.replication.max-streams in hdfs-default.xml

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.2.2, 3.3.1, 3.4.0, 3.2.3
• Fix Version/s: 3.2.2, 3.3.1, 3.4.0, 3.2.3
• Component/s: documentation
• Labels: documentation
• Target Version/s: 3.2.2, 3.3.1, 3.4.0, 3.2.3
• Hadoop Flags: Reviewed
• Assignee: Xieming Li
• Reporter: Xieming Li
• Created: 24/Aug/20 01:58
• Updated: 11/Feb/24 13:32
• Resolved: 13/Nov/20 02:13

Description

The description of dfs.namenode.replication.max-streams in hdfs-default.xml is misleading.

The maxReplicationStreams is not limiting the replication streams with the highest priority.

https://github.com/apache/hadoop/blob/branch-3.3.0/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java#L2463-L2471