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From Joshua Slive <>
Subject Re: [users@httpd] Invalid argument: setsockopt: (TCP_NODELAY)
Date Fri, 24 Jan 2003 21:10:37 GMT

On Fri, 24 Jan 2003, Gerald Shifrin wrote:
>  [warn] (22)Invalid argument: setsockopt: (TCP_NODELAY)
> The only thing I could find close to this was an FAQ that says:
> ------------
> Why am I getting "httpd: could not set socket option TCP_NODELAY" in my
> error log?
> This message almost always indicates that the client disconnected before
> Apache reached the point of calling setsockopt() for the connection. It
> shouldn't occur for more than about 1% of the requests your server handles,
> and it's advisory only in any case.
> ------------
> which isn't really about the same error message and does not appear to
> address this problem.

I do believe that the FAQ directly addresses the (non-)problem. If I
remember correctly, future Apache versions are going to downgrade this
message so you won't even see it at the default LogLevel.  It really is
harmless, as long as it is a small proportion of your requests.


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