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From "Xieming Li (Jira)" <j...@apache.org>
Subject [jira] [Created] (HDFS-15538) Fix the documentation for dfs.namenode.replication.max-streams-hard-limit in hdfs-default.xml
Date Mon, 24 Aug 2020 01:59:00 GMT
Xieming Li created HDFS-15538:
---------------------------------

             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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