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https://issues.apache.org/jira/browse/HBASE-10123?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15166328#comment-15166328
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Jonathan Hsieh commented on HBASE-10123:
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Looks like in HDFS-9427 there is a motion to move all the hadoop ports in the
9xxx range. I've suggested there that hadoop-kms port be moved into that range
as well.
> Change default ports; move them out of linux ephemeral port range
> -----------------------------------------------------------------
>
> Key: HBASE-10123
> URL: https://issues.apache.org/jira/browse/HBASE-10123
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.96.1.1
> Reporter: stack
> Assignee: Jonathan Hsieh
> Priority: Critical
> Fix For: 0.99.0
>
> Attachments: hbase-10123.patch, hbase-10123.v2.patch,
> hbase-10123.v3.patch, hbase-10123.v4.patch
>
>
> Our defaults clash w/ the range linux assigns itself for creating come-and-go
> ephemeral ports; likely in our history we've clashed w/ a random, short-lived
> process. While easy to change the defaults, we should just ship w/ defaults
> that make sense. We could host ourselves up into the 7 or 8k range.
> See http://www.ncftp.com/ncftpd/doc/misc/ephemeral_ports.html
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