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https://issues.apache.org/jira/browse/HDFS-9427?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15004990#comment-15004990
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Allen Wittenauer edited comment on HDFS-9427 at 11/14/15 12:54 AM:
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This issue has been a pet peeve of mine for years. But every time this topic
comes up, someone complains that this makes testing on a single node hard. I
really, really, really hope we're over that hump and we can not only remove the
default of being ephemeral but also set the ports to be a contiguous range.
was (Author: aw):
This issue has been a pet peeve of mine for years. But every time this topic
comes up, someone complains that this makes testing on a single node hard. I
really, really, really hope we're that hump and we can not only remove the
default of being ephemeral but also set the ports to be a contiguous range.
> HDFS should not default to ephemeral ports
> ------------------------------------------
>
> Key: HDFS-9427
> URL: https://issues.apache.org/jira/browse/HDFS-9427
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode, namenode
> Affects Versions: 3.0.0
> Reporter: Arpit Agarwal
> Labels: Incompatible
>
> HDFS defaults to ephemeral ports for the some HTTP/RPC endpoints. This can
> cause bind exceptions on service startup if the port is in use.
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