[jira] [Updated] (TS-475) HTTP SM should support efficient byte range requests

["Eric Balsa (Updated) (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/TS-475?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Eric Balsa updated TS-475:
--------------------------

    Attachment: diff.out

This is patch that will not apply to trunk, is 9 months old, and is not clean at all. It uses the fairly untested do_io_pread() cache code. Also, it's super slow iirc, but it was my hacky attempt to get something working to clean up later. 

If someone wants to take this and run with it, feel free!
                
> HTTP SM should support efficient byte range requests
> ----------------------------------------------------
>
>                 Key: TS-475
>                 URL: https://issues.apache.org/jira/browse/TS-475
>             Project: Traffic Server
>          Issue Type: Bug
>          Components: HTTP
>            Reporter: Leif Hedstrom
>            Priority: Critical
>             Fix For: 3.1.4
>
>         Attachments: diff.out
>
>
> The cache has support for efficiently locate a particular range in the cached object, but the HTTP SM does not support this. In order to make Range: request efficient (particularly on large objects), the SM should support this new cache feature.

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