Hi All,
Confused at the moment. I am using the standard Hobo output to
display results. The model: capture_profile has many children
pcap_sessions. In one case there are 800+ children. These are all
being displayed on the page. Each card only shows two lines. This
is having a performance impact. I have optimized the database queries
using eager loading to avoid the N+1 issue. Here's a sample of the
output in the log:
Processing CaptureProfilesController#show (for 000.000.000.000 at
2010-02-11 12:13:22) [GET]
Parameters: {"id"=>"2-2010-02-08-00-26-47"}
Completed in 22705ms (View: 22162, DB: 3) | 200 OK
[http://testsite/capture_profiles/2-2010-02-08-00-26-47]
Environment:
Linux (Debian)
Apache2
Production Rails environment.
As you can see the database query is taking 3ms but the building of
the 800+ cards for the view is taking 22162ms to complete. One way
around this is to use pagination. The pagination works when I view the
pcap_sessions directly. But when they are viewed as a child of another
model I run into this problem. As yet I haven't been able to force
pagination. Can someone tell me how to enable pagination in this
case. This is what the code looks like in my application.dryml:
<def tag="show-page" for="CaptureProfile">
<page merge title="#{ht 'capture_profiles.show.title',
:default=>['Capture Profile'] }">
<body: class="show-page capture profile" param/>
<content: param>
<section-group>
<section param="main-content">
<header param="content-header">
<h2 param="heading">
<ht
key="capture_profiles.show.heading" name="&this.respond_to?(:name) ?
this.name : ''">
<name/>
</ht>
</h2>
<record-flags fields="" param/>
<a action="edit"
if="&can_edit?" param="edit-link">
<ht
key="capture_profiles.actions.edit" name="&this.respond_to?(:name) ?
this.name : ''">
Edit
Capture Profile
</ht>
</a>
</header>
<section param="content-body"
with-flash-messages>
<section
param="collection-section">
<h3
param="collection-heading">
<ht
key="capture_profiles.collection.heading.other" >
Pcap Sessions
</ht>
</h3>
### THIS IS
WHERE I NEED TO ENABLE PAGINATION###
<collection:pcap_sessions />
</section>
</section>
</section>
</section-group>
</content:>
</page>
</def>
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