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From "Jagadesh Kiran N (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-11211) Add a time unit to the DataNode client trace format
Date Tue, 06 Dec 2016 11:11:36 GMT

     [ https://issues.apache.org/jira/browse/HDFS-11211?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jagadesh Kiran N updated HDFS-11211:
------------------------------------
    Attachment: HDFS-11211_00.patch

Attaching the patch [~ajisakaa] ,please review

> Add a time unit to the DataNode client trace format 
> ----------------------------------------------------
>
>                 Key: HDFS-11211
>                 URL: https://issues.apache.org/jira/browse/HDFS-11211
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: datanode
>            Reporter: Akira Ajisaka
>            Assignee: Jagadesh Kiran N
>            Priority: Minor
>              Labels: newbie, supportability
>         Attachments: HDFS-11211_00.patch
>
>
> {code:title=DataNode.java}
>   public static final String DN_CLIENTTRACE_FORMAT =
>         "src: %s" +      // src IP
>         ", dest: %s" +   // dst IP
>         ", bytes: %s" +  // byte count
>         ", op: %s" +     // operation
>         ", cliID: %s" +  // DFSClient id
>         ", offset: %s" + // offset
>         ", srvID: %s" +  // DatanodeRegistration
>         ", blockid: %s" + // block id
>         ", duration: %s";  // duration time
> {code}
> The time unit of the duration is nanosecond, but it is not documented.



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