Oleg Pronin wrote:
Maybe it is not the bottleneck, but how many places do we have
like this that are not a bottleneck ? maybe the sum of all these
mini mistakes is the bottleneck ?
NYTProf profile or it didn't happen :-)
Carl
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Merlyn Kline wrote:
I propose that all references
to the req-param() interface should be replaced by references to the
$c-req-parameters-{} interface except where explicit discussions
of CGI.pm compatability are appropriate, which would only be very
briefly in the case of the Intro.
It's not
Dermot wrote:
Why wouldn't you, as you write, use the the fastest access methods
available? Surely you'd want to develop habits that will a) provide
better performance and b) as mentioned below avoid the thorny
side-effects of req-params(). This isn't a matter of premature
optimisation but
kevin montuori wrote:
In my experience (two or so years with DBIC/Catalyst and many, many
more with sundry DBI hacks) DBIC code has proven trivial to maintain
and augment. Furthermore, it's relatively easy to find programmers
who are familiar with it and can be brought up to speed quickly.
Adam Mackler wrote:
Finally, a wonderful benefit of using fastcgi is that each one of my
fastcgi applications runs as a separate user, and none of those
fastcgi users is the user that the web server runs as. I sleep that
much better at night knowing that the web server cannot read the files
Another mod_perl user here! I've looked at FastCGI, but ongoing management
has always looked to be more complecated than just altering the apache
config.
We have a multi-server setup with hardware load-balancers. They balance
between two threaded apache servers which serve all static files and
Tomohiro Hosaka wrote:
Is this correct result?
Yes, the previous situation was a bug. Given
sub foo : Args(1) {
my ($c, $arg) = @_;
};
The URL http://127.0.0.1/foo/bar%2Fbaz would match and set $arg to 'bar/baz'
correctly. However reversing that using uri_for then returns the incorrect
Tobias Kremer wrote:
c) somebody smarter than me has a better idea how to solve this
problem? :)
Use Varnish as a caching-proxy in front-of your app. Use ESI to include the
fragments and set appropiate cache-control headers in those reponses so
Varnish can cache appropiately.
Carl
Jens Schwarz wrote:
in my Catalyst application I use Webservices to connect to SAP. One
of these returns binary data (right now base64-encoded XML, later
also PDF).
Is it possible to determine the MIME type of those returned
(sub)strings? If so, how?
It doesn't matter that you're using
Aristotle Pagaltzis wrote:
But there’s no room for “likelies” here: that’s programming by
coincidence.
The likely was correct.
When using UTF-8 whether the length of the string is different in bytes and
characters depends entirely on what the contents of the string are. Given a
particular
Toby Corkindale wrote:
(CentOS 5 was one of the operating systems that came with the
badly-patched Perl with the slow bless performance..
although I'm sure it's been patched by now?
ie. http://blog.vipul.net/2008/08/24/redhat-perl-what-a-tragedy/
)
Was patched last year - stop spreading FUD.
Tobias Kremer wrote:
So, what's a better way to find out how much memory is shared? On our
production servers top shows
VIRT: 70116, RES: 64m, SHR: 3480
and I hope that 3480 is really not the amount of memory that is shared
because that'd be quite low.
It's a different type of shared.
One of the limitations of mod_perl is that you can't run the same app
more than once on the same server. Sorry.
Not true. We run multiple versions of the same app in the same apache
process.
Look at the +Parent option, which will create additional separate perl
interpreters within the same
Mihai Bazon wrote:
Let me clarify that. I don't want to run the app more than once. I
just want the application to switch configuration file and database
depending on the hostname that each particular request targets.
I've done this a zillion times with plain mod_perl, I just don't know
I think that the mod_perl mailing list would also be interested in this -
there are very few people on that list with practical examples of
multi-thread. As far as I'm aware pre-fork is still pretty much the only
model recommended.
Alejandro Imass wrote:
Ok. What would you have done? - not
Devin Austin wrote:
you could simply create a column and add the GMT offset.
NO!
If you only use GMT offsets you'll just annoy your users anywhere in the
world that has DST. If that's the only solution don't bother - just use a
relevant fixed timezone.
Much better to use the Olsen DB
Aristotle Pagaltzis wrote:
img src=http://yourapp.example.org/addressbook/delete/all;
into a page they control and then send a link to that page to
your users. If you allow destructive actions on GET, you have
just allowed for your users to be screwed over through no fault
of their own.
Just a quick thought - are you setting appropiate no-cache headers in your
responses? Are the problems due to transparent caching at ISPs?
Carl
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As for down-stream proxies, I am not explicitly setting no-cache headers
from the app, should I be?
You might want to look into it. I've had problems with aggressive ISP caches
before where they cached pages and sent them to other users - every page has
welcome username at the top. The
Not sure which specific engine you asked, but I'll just put all of them.
He meant Catalyst engine... Catalyst::Engine::?
Were you using the server script that comes with Catalyst? FastCGI?
mod_perl?
Carl
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4. Is it just crazy to run a load balanced setup without some type of
sticky session setup on the proxy? If so, any implementations of this
using Apache 2.x mod_proxy(_balancer) as the frontend would be greatly
appreciated.
You should only use sticky sessions as a performance enhancer (more
From: Jonathan Rockway [EMAIL PROTECTED]
If you are using the same Apache process for more than one web
app, You're Doing It Wrong (tm).
For development or production?
In production as long as you're using the same versions of Cat for your
apps, I would've thought the memory gains would make
Externally in your organisation?
No to an external organisation that has been contracted by us to provide and
host a web application. This application needs to share a single sign-on
with applications built in-house using Catalyst.
For configuration, why don't you have one set and
Interesting term, 'white labelling'; where do you get it from.
It's a fairly standard term for the process. One origin I've come across is
it comes from manufacturers selling products with plain white labels to
supermarkets, who would then brand them as own-brand products. However these
Hi,
I've been playing around with the LDAP stuff in Catalyst, we have a need to
share user data externally for authentication reasons and currently believe
LDAP is a good solution for this.
To this end I've got C:P:Auth:Store:LDAP correctly authenticating users
against a LDAP database. I've
Oh another LDAP subject that I meant to mention - LDAP Injection. It's
something that's been mentioned regarding our use of LDAP.
For example C:P:Auth:Store:LDAP suggests using a filter like:
((objectClass=posixAccount)(uid=%s))
Then does:
$filter =~ s/\%s/$replace/g;
Which on a casual
My site is accessed with 2 different domain names, and the app must send a
cookie that specify a domain, because otherwise Firefox doesn't send the
cookie back to the server.
I've given you an answer to that problem once. Redirect domain2.com to
domain1.com and only serve your site through
I foresee index and default going the fuck away for 5.80 unless you're in
compat mode.
I'm curious about these two.
I've made plenty of use of index, and off the top of my head can't see
another way of doing the home page of site.
As far as default, I'd currently use that to do my 404
You may want to deliver somewhat different content depending on which URL
they use; is that what you mean by 'white-labelled'?
By white labelling I mean the same functionality and data wrapped up in
different branding like:
Our sysadmin told me that this way is better because we won't make traffic
(and slow down) on the public network interface.
Marginal, you'd need to be doing *a lot* of data transfer. I think our data
transfer at our ISP maxes out at around 12Mbps on an average lunch time -
well below the
I'd love to help write more docs. What format do I use
POD
and who do I submit them to?
I'd suggest starting on the catalyst-dev list.
Carl
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my $rsts = $c-model ('MintAppDB::TransSum')-find ({
category = $c-req-param ('category'),
sentto = $c-req-param ('sentto'),
iso = $c-req-param ('iso')
});
This is broken! Simply try requesting a URL such:
cookie_domain = the_host()
in the MyApp config, but when I try to start the server it gives an error
telling that I can't use the method req because $c is undefined.
I'd be curious about why you wanted the cookie domain in the config anyway!
I presume you've got a bit of code like:
from the context object, but is unavailable to MyApp.pm. cookie_domain
Both the context object and the hostname should be available to code within
MyApp.pm, but only if the code is running during a request.
In any case I wouldn't point multiple domains at the same site, you're
always best
jagdish eashwar wrote:
I am getting only the last value in the tt2 template.
You're actually getting the number of items in the list, because that's
what you get when you turn a list into a single value.
Carl
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It's probably useful to tell you what these various commands are actually
doing, rather than just saying check-this and check-that...
lsof = LiSt Open Files
basically it lists every file that a process has open, that includes the
executable file itself and any libraries or shared code. The
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