On 16 Mar 2009, at 21:08, Jeremy Zawodny wrote:
On Mon, Mar 16, 2009 at 1:37 PM, MARK CALLAGHAN
<[email protected]> wrote:
On Mon, Mar 16, 2009 at 1:24 PM, John David Duncan <[email protected]>
wrote:
>
>
> Also, there are timeout-based problems, and if all 6 (or 8, or
whatever)
> running threads stall, then the whole server is hung. Folks who
work at Sun
> can look at MySQL support issue #25334 and see some problems that
might also
> pop up in conceivable libevent-based implementations...
JD,
Am I correct in summarizing this by stating that MySQL has a fast
version of this in code I can't review and problems with it are
described in a problem report I cannot read?
Yay for open source, eh?
So we are not allowed paying customers, with custom NRE work, if we
are open source? :)
The current 5.0 custom branch was/is based on Solaris event ports
only (http://developers.sun.com/solaris/articles/
event_completion.html), so wasn't really applicable for the main
stream server (because it only supported one platform). That's why we
looked at doing it with libevent in 6.0 - so the NRE work helped to
drive the new feature in the later release which is more applicable
to everybody..
Yes, it has some issues. Yes, Support (and others) are pushing for
fixes to much of that as well - 6.0 is still Alpha, so hopefully we
should see some good headway before GA.
Yay for closed source NRE work pushing Open Source development too! ;)
--
Mark Leith
MySQL Regional Support Manager, Americas
Sun Microsystems, Inc., http://www.sun.com/mysql/
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