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https://issues.apache.org/jira/browse/HADOOP-6487?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12799316#action_12799316
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Todd Lipcon commented on HADOOP-6487:
-------------------------------------
Seems to me the only reasonable way to do this would be either (a) IP/netmask
or (b) regular expression. Otherwise, how could one distinguish between
abc1-20.com meaning abc1 through abc20 compared to a host called abc1-20?
> Support ranges in hosts file
> ----------------------------
>
> Key: HADOOP-6487
> URL: https://issues.apache.org/jira/browse/HADOOP-6487
> Project: Hadoop Common
> Issue Type: Improvement
> Components: util
> Reporter: Amar Kamat
>
> It would be nice to have a range support for hosts file. For example host
> files could look like
> {code:title=hosts.include|borderStyle=solid}
> abc1-10.com
> abc21-30.com
> {code}
> {code:title=hosts.exclude|borderStyle=solid}
> abc1-5.com
> {code}
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