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https://issues.apache.org/jira/browse/HDFS-8633?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yongjun Zhang updated HDFS-8633:
--------------------------------
    Summary: Fix setting of dfs.datanode.readahead.bytes in hdfs-default.xml to 
match DFSConfigKeys  (was: Fix mismatch for default value of 
dfs.datanode.readahead.bytes in DFSConfigKeys)

> Fix setting of dfs.datanode.readahead.bytes in hdfs-default.xml to match 
> DFSConfigKeys
> --------------------------------------------------------------------------------------
>
>                 Key: HDFS-8633
>                 URL: https://issues.apache.org/jira/browse/HDFS-8633
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: HDFS
>    Affects Versions: 2.7.0
>            Reporter: Ray Chiang
>            Assignee: Ray Chiang
>            Priority: Minor
>              Labels: newbie, supportability
>         Attachments: HDFS-8633.001.patch
>
>
> Found this using the XML/Config verifier.  One of these properties has two 
> digits swapped.
>   XML Property: dfs.datanode.readahead.bytes
>   XML Value:    4193404
>   Config Name:  DFS_DATANODE_READAHEAD_BYTES_DEFAULT
>   Config Value: 4194304
> What is the intended value?



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