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From Olivér Szabó (JIRA) <j...@apache.org>
Subject [jira] [Commented] (AMBARI-13038) Define ephemeral port range for Ambari agents
Date Thu, 17 Sep 2015 16:47:06 GMT

    [ https://issues.apache.org/jira/browse/AMBARI-13038?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14803203#comment-14803203
] 

Olivér Szabó commented on AMBARI-13038:
---------------------------------------

Default range provided by the OS. If you redefine this, that is not take effect on the running
services so it should work with upgrades too. It could be a problem only if someone use specific
ranges on the agent machines, and then this settings is rewrite them. In that case this property
(ephemeral_port_range) should not be there by default or customer has to know to use their
own setting.

> Define ephemeral port range for Ambari agents
> ---------------------------------------------
>
>                 Key: AMBARI-13038
>                 URL: https://issues.apache.org/jira/browse/AMBARI-13038
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-agent
>    Affects Versions: 2.1.0
>         Environment: All
>            Reporter: Olivér Szabó
>            Assignee: Olivér Szabó
>             Fix For: 2.2.0
>
>         Attachments: AMBARI-13038.patch, EphemeralPortRange.pdf
>
>
> Problem: 
> When Ambari agent starts,it tries to use an ephemeral port that is already in use by
another component.
> Steps to Reproduce:
> 1. Install a cluster with Ambari
> 2. Restart the Ambari agent until it takes a port in use by another service
> Solution:
> Range of ephemeral ports used by Ambari should be narrowed. (configurable)



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