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https://issues.apache.org/jira/browse/HADOOP-6616?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13470862#comment-13470862
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Joep Rottinghuis commented on HADOOP-6616:
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Nice Adam. Nit int the second-last paragraph:
{noformat}
If neither <code>topology.script.file.name</code> or
<code>topology.script.file.name</code> is
not set, the rack id '/default-rack' is returned for any passed IP address.
{noformat}
Neither not is a double negative.
You mention the property topology.script.file.name twice. Did you mean the
following?
{noformat}
If neither <code>topology.script.file.name</code> nor
<code>topology.node.switch.mapping.impl</code> is set, the rack id
'/default-rack' is returned for any passed IP address.
{noformat}
> Improve documentation for rack awareness
> ----------------------------------------
>
> Key: HADOOP-6616
> URL: https://issues.apache.org/jira/browse/HADOOP-6616
> Project: Hadoop Common
> Issue Type: Improvement
> Components: documentation
> Reporter: Jeff Hammerbacher
> Labels: newbie
> Attachments: hadoop-6616.patch
>
>
> The current documentation for rack awareness
> (http://hadoop.apache.org/common/docs/r0.20.0/cluster_setup.html#Hadoop+Rack+Awareness)
> should be augmented to include a sample script.
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