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https://issues.apache.org/jira/browse/TS-1708?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13610365#comment-13610365
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ASF subversion and git services commented on TS-1708:
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Commit ec019615ff15894e01b91ea7b593a76534883b3b in branch refs/heads/master
from Uri Shachar <[email protected]>
[ https://git-wip-us.apache.org/repos/asf?p=trafficserver.git;h=ec01961 ]
TS-1708: Using tr-pass port option causes requests with large headers to hang
If 4KB of headers are read and we haven't decided on requets validity yet,
disregard
tr-pass option in order to avoid blocking the writer
> 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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