Tianyin Xu created HDFS-9578: -------------------------------- Summary: Incorrect default value (typo) in hdfs-default.xml Key: HDFS-9578 URL: https://issues.apache.org/jira/browse/HDFS-9578 Project: Hadoop HDFS Issue Type: Bug Components: documentation Affects Versions: 2.6.2, 2.6.3 Reporter: Tianyin Xu Priority: Minor
In {{hdfs-default.xml}}, the default value of {{dfs.datanode.readahead.bytes}} is wrong. The value should be 4MB (4 * 1024 * 1024) according to the code, i.e., {{4194304}}, while in hdfs-default.xml, it is {{4193404}}. ---------------------------- (src) {code:title=DFSConfigKeys.java|borderStyle=solid} 134 public static final String DFS_DATANODE_READAHEAD_BYTES_KEY = "dfs.datanode.readahead.bytes"; 135 public static final long DFS_DATANODE_READAHEAD_BYTES_DEFAULT = 4 * 1024 * 1024; // 4MB {code} (hdfs-default.xml) https://hadoop.apache.org/docs/r2.6.2/hadoop-project-dist/hadoop-hdfs/hdfs-default.xml -- This message was sent by Atlassian JIRA (v6.3.4#6332)