[jira] [Commented] (TS-3725) ATS's use of host files is broken

["Phil Sorber (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/TS-3725?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14728414#comment-14728414 ] 

Phil Sorber commented on TS-3725:
---------------------------------

This patch set does not apply cleanly to 5.3.x. [~jacksontj], if you think this is an important back-port, can you please make a patch for me to apply?

> ATS's use of host files is broken
> ---------------------------------
>
>                 Key: TS-3725
>                 URL: https://issues.apache.org/jira/browse/TS-3725
>             Project: Traffic Server
>          Issue Type: Bug
>    Affects Versions: 5.3.0, 6.0.0
>            Reporter: Thomas Jackson
>            Assignee: Thomas Jackson
>             Fix For: 6.0.0
>
>
> The previous implementation actually loaded up the hosts file (in a background thread) and did a get (getbyname_imm) and then set the IPs to match. This works-- but does cause a problem since the port set on it is 0.
> What we need to do is have this thread maintain in an in-memory mapping of name -> ip and have it override resolution within hostdb, that way we can use host files and maintain whether reals are up or down.



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