disable sendfile in Varnish, please [UPD]

Poul-Henning Kamp phk at phk.freebsd.dk
Mon May 21 16:45:49 CEST 2007

In message <87wsz31rs3.fsf at des.linpro.no>, =?utf-8?Q?Dag-Erling_Sm=C3=B8rgrav?=
>"Poul-Henning Kamp" <phk at phk.freebsd.dk> writes:
>> Sendfile moves the filebuffers to the socket and as soon as it has
>> done this, it returns, and the buffers may not have been processed
>> by TCP yet.
>So we need to be able to block (or at least prevent re-use of the
>affected part of the storage file) until sendfile() completes...

No, that gets waaay to complicated.

Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.

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