httpd-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "William A. Rowe, Jr." <>
Subject Re: Keepalives
Date Fri, 17 Jun 2005 15:41:27 GMT
At 10:12 AM 6/17/2005, Brian Akins wrote:
>>Adding an indexed list of 'counts' would be
>>very lightweight, and one atomic increment and decrement per state
>>change.  This would probably be more efficient than walking the
>>entire list.
>Sounds good.  Of course, when changing from on state to another you would always have
to decrement the previous state and increment the new one.  The way the core seems to be now,
that would require some careful examination of the code to ensure all the state changes were

In that exact order :)  Much better to 'under report' a given state,
and consider that under reporting (if you sum during an update) to be
a product of state changes.

I think ++, -- would be much more misleading, since the server would
be taking more actions than could possibly occur at once.


View raw message