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https://issues.apache.org/jira/browse/TS-3061?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14123172#comment-14123172
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Brian Geffon commented on TS-3061:
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Ok, i'll close this as wont-fix and I'll open a new ticket to address the C++
API.
> API: Cached URL MLocs prevent the HttpSM from detecting Url Changes.
> --------------------------------------------------------------------
>
> Key: TS-3061
> URL: https://issues.apache.org/jira/browse/TS-3061
> Project: Traffic Server
> Issue Type: Bug
> Components: Core, CPP API, TS API
> Reporter: Brian Geffon
> Assignee: Brian Geffon
>
> The HttpSM contains a cached version of the client request url to avoid
> re-generating strings repeatedly. The problem is that if a plugin caches the
> MLoc and MBuf they can modify the URL without the cached copy being updated.
> Unfortunantely, moving the dirty flag into UrlImpl would be incredibly messy,
> so I will propose that after api callouts are complete we mark the cached url
> as dirty. It seems like the only reasonable approach that has minimal
> performance impact while maintaining the caching.
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