Andrew O'Brien wrote:
Hi Neil,
A start in apache is actually a start+restart IIRC. Could that be what
you're seeing? I posted this a few days back but perhaps it was lost in
the noise. I've got the following in my startup.pl:
use Apache2::ServerUtil;
# We want to do this only when the sever restarts. (The start process
# includes a restart). The below variable has a value of 1 during
# server start/stop and a value greater than one during the second
# phase of server starting and any graceful restart.
if ( Apache2::ServerUtil::restart_count() > 1 ) {
# force load/initialise perl stuff
}
Are any of the following useful to you (even if you set a variable using
the shutdown callback to forcibly stop the preload?) in
Apache2::ServerUtil?
# register server shutdown callback
Apache2::ServerUtil::server_shutdown_register_cleanup(sub {
Apache2::Const::OK });
# do something only when the server restarts
my $cnt = Apache2::ServerUtil::restart_count();
do_something_once() if $cnt > 1;
Thanks, Andrew, that's very useful. I have added the test for
restart_count(), and the server starts up a lot faster. I guess I was
preloading twice or something. However, it hasn't changed the length of
time the server takes to shutdown. I don't think it's actually calling
the startup.pl code to do this... I'm not sure what it's doing.
Basically I call "apachectl_perl stop" (this is for the mod_perl
backend, I build two versions - one for backend mod_perl, and
httpd_proxy for reverse proxy). When I do this, most of the httpd_perl
processes go away, but one is left hanging there for about 20 seconds.
In the meantime, I cannot restart, because the port is in use. I do seem
to remember when I was having issues with Embperl processing my TABLE
and TR tags, then those errors would appear again when I issued the stop
command. I believe this is what led me to believe that the startup is
being called at shutdown too. But now I don't think so - at least, not
my code. I am wondering now if Embperl is maybe doing the preload itself
again, internally, at shutdown. I'll try to look into it some more,
maybe do some tracing via logging to see what's going on. Meantime, I am
still fighting fires with my recent server upgrade - Embperl 2.3 has
royally screwed up my forms handling, it seems. Apparently fdat is being
handled differently with respect to setting variables in the code which
were previously then included in [$ hidden $], but no more. I really
thought Embperl 2 would be more stable by this point!
Thanks again,
Neil
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