httpd-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "William A. Rowe, Jr." <>
Subject Re: cvs commit: httpd-2.0/server scoreboard.c
Date Thu, 24 Jan 2002 18:18:51 GMT
From: "Aaron Bannert" <>
Sent: Thursday, January 24, 2002 12:09 PM

> I had thought that on platforms that supported it, we would prefer
> the anonymous shared memory (as we were using before) to a name-based
> solution, for whatever reason (performance and/or security perhaps). I
> have no empirical evidence claiming either to be superior, I just wanted
> to leave the underlying scoreboard mechanism as close as possible to
> what it was before the recent shmem changes.
> How about this:
> - if the user specifies a ScoreboardFile then we use name-based memory
>   with that file, and failures are absolute.
> - if none is specified, we get to chose -- right now i see this as
>   - platforms with fork try anonymous* then fall back to name-based
>   - other platforms do name-based
>     (for name-based we have to come up with a name like what we have now.
>      If it happens to be on an NFS partition, then it may fail, but we'll
>      have made notice of this in the docs and the config comments.)

Actually, win32 will do anonymous in just a few minutes more, if no file
backing name is given.

Please proceed with a patch to correct, as you've described.


View raw message