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Add an ip address mask to rack name java plugin
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Key: HADOOP-3625
URL: https://issues.apache.org/jira/browse/HADOOP-3625
Project: Hadoop Core
Issue Type: Improvement
Components: util
Reporter: Owen O'Malley
Assignee: Owen O'Malley


We should have a plugin that implements DNSToSwitchMapping with a configurable netmask that defines the rack. Therefore, if you use the high 26 bits to determine your switch, you could configure it with "ff.ff.ff.c0"

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  • Tom White (JIRA) at May 28, 2009 at 1:52 pm
    [ https://issues.apache.org/jira/browse/HADOOP-3625?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

    Tom White updated HADOOP-3625:
    ------------------------------

    Attachment: hadoop-3625.patch

    Here's a first cut at this feature. I'm still testing it but would be grateful for any feedback.
    Add an ip address mask to rack name java plugin
    -----------------------------------------------

    Key: HADOOP-3625
    URL: https://issues.apache.org/jira/browse/HADOOP-3625
    Project: Hadoop Core
    Issue Type: Improvement
    Components: util
    Reporter: Owen O'Malley
    Assignee: Owen O'Malley
    Attachments: hadoop-3625.patch


    We should have a plugin that implements DNSToSwitchMapping with a configurable netmask that defines the rack. Therefore, if you use the high 26 bits to determine your switch, you could configure it with "ff.ff.ff.c0"
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  • Devaraj Das (JIRA) at Jun 4, 2009 at 12:15 pm
    [ https://issues.apache.org/jira/browse/HADOOP-3625?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12716253#action_12716253 ]

    Devaraj Das commented on HADOOP-3625:
    -------------------------------------

    The patch looks fine to me.
    Add an ip address mask to rack name java plugin
    -----------------------------------------------

    Key: HADOOP-3625
    URL: https://issues.apache.org/jira/browse/HADOOP-3625
    Project: Hadoop Core
    Issue Type: Improvement
    Components: util
    Reporter: Owen O'Malley
    Assignee: Owen O'Malley
    Attachments: hadoop-3625.patch


    We should have a plugin that implements DNSToSwitchMapping with a configurable netmask that defines the rack. Therefore, if you use the high 26 bits to determine your switch, you could configure it with "ff.ff.ff.c0"
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  • Steve Loughran (JIRA) at Jun 7, 2009 at 7:05 pm
    [ https://issues.apache.org/jira/browse/HADOOP-3625?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12717081#action_12717081 ]

    Steve Loughran commented on HADOOP-3625:
    ----------------------------------------

    you can use {{netmask.length()==0) over "".equals(netmask); I think it is ever so slightly faster.
    Add an ip address mask to rack name java plugin
    -----------------------------------------------

    Key: HADOOP-3625
    URL: https://issues.apache.org/jira/browse/HADOOP-3625
    Project: Hadoop Core
    Issue Type: Improvement
    Components: util
    Reporter: Owen O'Malley
    Assignee: Owen O'Malley
    Attachments: hadoop-3625.patch


    We should have a plugin that implements DNSToSwitchMapping with a configurable netmask that defines the rack. Therefore, if you use the high 26 bits to determine your switch, you could configure it with "ff.ff.ff.c0"
    --
    This message is automatically generated by JIRA.
    -
    You can reply to this email to add a comment to the issue online.

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postedJun 24, '08 at 6:34a
activeJun 7, '09 at 7:05p
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