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https://issues.apache.org/jira/browse/TS-3725?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14615932#comment-14615932
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ASF subversion and git services commented on TS-3725:
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Commit 02678a1f8c9abc92985fbf6d7bb8a4b02467ba6b in trafficserver's branch
refs/heads/master from [~jacksontj]
[ https://git-wip-us.apache.org/repos/asf?p=trafficserver.git;h=02678a1 ]
Maintain and use a mapping of hostname -> IP to implement host file support
This allows the background thread to populate a map of overrides, which we
simply inject in the lookup method-- in place of calling to DNS.
Fixes: TS-3725
> 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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