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https://issues.apache.org/jira/browse/TS-866?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13922317#comment-13922317
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Leif Hedstrom commented on TS-866:
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[~wbardwel] Ping?
> Need way to clear contents of a cache entry
> -------------------------------------------
>
> Key: TS-866
> URL: https://issues.apache.org/jira/browse/TS-866
> Project: Traffic Server
> Issue Type: New Feature
> Components: Cache
> Affects Versions: 3.0.0
> Reporter: William Bardwell
> Assignee: William Bardwell
> Priority: Minor
> Fix For: sometime
>
> Attachments: cache_erase.diff
>
>
> I needed a way to clear a cache entry off of disk, not just forget about it.
> The worry was about if you got content on a server that was illegal or a
> privacy violation of some sort, we wanted a way to be able to tell customers
> that after this step there was no way that TS could serve the content again.
> The normal cache remove just clears the directory entry, but theoretically a
> bug could allow that data out in some way. This was not intended to prevent
> forensic analysis of the hardware being able to recover the data. And bugs
> in low level drivers or the kernel could theoretically allow data to survive
> due to block remapping or mis-management of disk caches.
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