Xieming Li created HDFS-15538:
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             Summary: Fix the documentation for 
dfs.namenode.replication.max-streams-hard-limit in hdfs-default.xml
                 Key: HDFS-15538
                 URL: https://issues.apache.org/jira/browse/HDFS-15538
             Project: Hadoop HDFS
          Issue Type: Bug
            Reporter: Xieming Li
            Assignee: Xieming Li


The description of dfs.namenode.replication.max-streams-hard-limit 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]



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