Sure, you can set the log level in production to whatever you want. In
production.rb:

config.log_level = :debug (or :info, or whatever)


On Sat, Mar 7, 2009 at 10:18 AM, Justin G <[email protected]> wrote:

>
> Thanks Bruno.  I already have the following code in my environments/
> production.rb:
>
> # Use a different cache store in production
> config.cache_store = :file_store, "#{RAILS_ROOT}/tmp/cache"
>
> I'm still looking into this problem to see what I can figure out.
> I've been going through my dev and production logs.  Is there any way
> to enable additional logging for a production server?  I would really
> like to track cache hits/misses/expirations on my production server,
> but without the full stack trace shown in the development logs.
>
> I'm creating another git branch to track this in so that I can
> contribute any fixes upstream.  I don't have any experience with unit
> testing and may need some guidance in this area before my changes
> could be pulled upstream.
>
> Justin
>
> On Mar 4, 5:47 pm, Bruno Bornsztein <[email protected]>
> wrote:
> > I'll have to take a closer look at this when I get more time, but could
> you
> > try putting this in your environment.rb:
> >
> > ActionController::Base.cache_store = :file_store,
> "#{RAILS_ROOT}/tmp/cache"
> >
> > See if that solves your problems.
> > More broadly, though, the caching and sweeping in CE needs a little TLC,
> and
> > testing!
> >
> > Thanks,
> > Bruno
> >
> > On Mon, Mar 2, 2009 at 10:32 PM, Justin G <[email protected]> wrote:
> >
> > > About a month ago I launched my community engine site into the wild.
> > > At the time, I had some caching issues with the front page.  I read up
> > > on how caching works in rails and looked at the code a bit, but
> > > everything looked OK.  So I figured it was best to disable caching for
> > > the site_index action and swore to revisit the issue at a later time.
> >
> > > I'm running my production site on mod_passenger so I also limited the
> > > number of processes to 1.  I figured that if the cache was being
> > > stored in memory, then different processes could be serving from
> > > different caches.  Since the problem was hit or miss it seemed like
> > > this could also be the issue.  (And with a small site running on a VPS
> > > with limited memory I wasn't yet worried about scalability.)
> >
> > > Anyway, I recently noticed a problem with comments that weren't
> > > updating.  I received an email that someone commented on my post, but
> > > I could only see the comment if I was logged in.  I figured it was a
> > > caching problem so I restarted the server and the problem went away.
> > > Here are some things I found while investigating the issue, and an
> > > issue I am still having.
> >
> > > Original Problem
> >
> > > I tracked part of the problem down to the fact that the comment
> > > sweeper wasn't clearing all copies in the cache.  My development.log
> > > file showed that the comment_sweeper was clearing /jtgeibel/posts/7-
> > > testing (among other things), but it wasn't clearing /posts/show/7-
> > > testing (the cache fragment that is actually being hit).  I looked at
> > > the code and made the following change:
> >
> > > -       expire_action :controller => 'posts', :action => 'show', :id
> > > => record.commentable , :user_id => record.commentable.user
> > > +      expire_action :controller => 'posts', :action => 'show', :id =>
> > > record.commentable
> >
> > > From what I can tell, rails is only clearing the cache for the more
> > > specific route containing a user_id.  However, its the action posts/
> > > show that is actually being cached.  With this fix, I now see the
> > > fragment cache being cleared in the log, but I'm still having one very
> > > strange problem.
> >
> > > New Problem
> >
> > > I can see in the development log that the cache is being cleared, but
> > > the first time I view the page (after logging out) I actually get a
> > > cache hit.  If I refresh the page again, I see the updated page.  Here
> > > is a commented portion of what I am seeing in my log file.
> >
> > > $ cat ../../../log/development.log |grep fragment
> >
> > > # ensure cache is full before posting a comment
> > > Cached fragment hit: views/dev.pittsburghgardenexperiment.org/posts/
> > > show/7-testing<
> http://dev.pittsburghgardenexperiment.org/posts/%0Ashow/7-testing>(0.1ms)
> > > # commenting expires caches
> > > Expired fragment: views/
> dev.pittsburghgardenexperiment.org/application/
> > > footer_content (0.1ms)
> > > Expired fragment: views/
> dev.pittsburghgardenexperiment.org/application/
> > > footer_content (0.1ms)
> > > Expired fragment: views/dev.pittsburghgardenexperiment.org/posts/show/
> > > 7-testing<
> http://dev.pittsburghgardenexperiment.org/posts/show/%0A7-testing>(0.1ms)
> > > Expired fragment: views/dev.pittsburghgardenexperiment.org/index
> > > (0.1ms)
> > > Expired fragment: views/dev.pittsburghgardenexperiment.org/categories/
> > > 4-Talk <http://dev.pittsburghgardenexperiment.org/categories/%0A4-Talk
> >(0.1ms)
> > > # logout and refresh and we get a cache hit
> > > Cached fragment hit: views/dev.pittsburghgardenexperiment.org/posts/
> > > show/7-testing<
> http://dev.pittsburghgardenexperiment.org/posts/%0Ashow/7-testing>(0.1ms)
> > > # refresh again and we get a hit, followed by a miss in the same
> > > request.  The correct content is rendered.
> > > Cached fragment hit: views/dev.pittsburghgardenexperiment.org/posts/
> > > show/7-testing<
> http://dev.pittsburghgardenexperiment.org/posts/%0Ashow/7-testing>(0.1ms)
> > > Cached fragment miss: views/dev.pittsburghgardenexperiment.org/posts/
> > > show/7-testing<
> http://dev.pittsburghgardenexperiment.org/posts/%0Ashow/7-testing>(0.1ms)
> >
> > > Any thoughts on why I'm getting stale data on the first request?  Or
> > > why the second request has a hit, followed by a miss?
> >
>

--~--~---------~--~----~------------~-------~--~----~
You received this message because you are subscribed to the Google Groups 
"CommunityEngine" group.
To post to this group, send email to [email protected]
To unsubscribe from this group, send email to 
[email protected]
For more options, visit this group at 
http://groups.google.com/group/communityengine?hl=en
-~----------~----~----~----~------~----~------~--~---

Reply via email to