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From Jeff Trawick <>
Subject Re: [users@httpd] A strange problem
Date Mon, 08 Feb 2010 14:23:04 GMT
On Mon, Feb 8, 2010 at 9:13 AM, Igor Franchuk <> wrote:
> Hello users,
>  I have apache 2.2.14-r1/events MPM running on Gentoo with the 2.6.31 linux
>  kernel
>  The problem starts as usually - from time to time I have many threads in W state,
>  which won't leave the state. The threads engaged in writing have
>  an IP address to where Apache supposedly transmits the requests.
>  If I #netstat -nt | grep "IP engaged in the W"
>  I would have an empty reply, no connection to IP present. Yet the server-status
>  insists that threads are engaged in writing. No load is generated but the slots are
>  busy, the memory is used etc.

W doesn't necessarily mean httpd is actively sending the reply.  The
request has been read and (generally) control has been passed to a
module to generate and control sending of the reply.

Backtraces of these threads would show where processing has hung.

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