[jira] [Updated] (TS-1708) Using tr-pass port option causes requests with large headers to hang

["Uri Shachar (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/TS-1708?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Uri Shachar updated TS-1708:
----------------------------

    Assignee: Uri Shachar  (was: Alan M. Carroll)
    
> Using tr-pass port option causes requests with large headers to hang
> --------------------------------------------------------------------
>
>                 Key: TS-1708
>                 URL: https://issues.apache.org/jira/browse/TS-1708
>             Project: Traffic Server
>          Issue Type: Bug
>          Components: HTTP
>            Reporter: Uri Shachar
>            Assignee: Uri Shachar
>             Fix For: 3.3.2
>
>         Attachments: transparent_passthrough_hang.diff
>
>
> When tr-pass is enabled and a request comes in on a new connection with total size of request headers > 4K it will hang in the parser (and never time out).
> In order to support tr-pass, we clone the ua_buffer_reader, but until the parser decides the request is valid/invalid, we do not consume data from the clone. Eventually, the underlying iobuffer fills up and the parser won't be called with the rest of the pending data.

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