[jira] [Commented] (TS-2426) xdebug plugin for debugging headers

["ASF subversion and git services (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/TS-2426?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13844447#comment-13844447 ] 

ASF subversion and git services commented on TS-2426:
-----------------------------------------------------

Commit 14667c65ff72d6af5da9bec62c41548076093091 in branch refs/heads/master from [~jpeach@apache.org]
[ https://git-wip-us.apache.org/repos/asf?p=trafficserver.git;h=14667c6 ]

TS-2426: add the xdebug plugin

The xdebug plugin scans X-Debug header values and emits the requested
debug information. The plugin is named after the X- prefix of the
headers that is scans and emits.

The values we scan for are names of debug headers. The first header
to be supported is X-Cache-Key, which report the cache lookup URL
used buy the request. the second header supported is the Via header,
which causes a verbose Via header to be emitted for the request.


> xdebug plugin for debugging headers
> -----------------------------------
>
>                 Key: TS-2426
>                 URL: https://issues.apache.org/jira/browse/TS-2426
>             Project: Traffic Server
>          Issue Type: Improvement
>          Components: Plugins, Quality
>            Reporter: James Peach
>            Assignee: James Peach
>             Fix For: 4.2.0
>
>
> It's not always easy for users of Traffic Server to introspect the cache. Akamai and other CDN providers have inspection mechanisms that use HTTP headers to publish internal cache information, and this would be very useful to have in Traffic Server as well.
> The {{xdebug}} plugins implements a {{X-Debug}} header that can be used to publish various information about a HTTP request so the cache system can be verified by end users.



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