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https://issues.apache.org/jira/browse/TS-3348?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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William Bardwell updated TS-3348:
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Attachment: TS-3348.diff
> read while write config and range issues
> ----------------------------------------
>
> Key: TS-3348
> URL: https://issues.apache.org/jira/browse/TS-3348
> Project: Traffic Server
> Issue Type: Bug
> Components: Core
> Reporter: William Bardwell
> Attachments: TS-3348.diff
>
>
> We had a number of problems with the read-while-write logic.
> #1) you can't set background fill config options to keep background fill from
> behaving badly because they are shared too much with read-while-write
> #2) logic around filling range requests out of partial cache entries is too
> restrictive
> #3) issues around read_while_write not working if there is a transform
> anywhere
> #4) some related config is not overridable
> So we think that our patch fixes all of these issues...mostly.
> (The background fill timeout doesn't get re-instated if a download switches
> to read-while-write and then back. The Range is in cache code doesn't seem
> write for small things or possibly for seeing the current fragment that is
> only partially downloaded.)
> But we would like some review of this to see if we are doing anything
> dangerous/not right/not helpful.
> Might also help TS-2761 and issue around range handling.
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