[Rails] Low performance

On Nov 4, 11:35 pm, Edgar Gonzalez wrote:
i dealing with this code, but i always getting more than 10 seconds to
load, i even upgraded the server, but is the same.... i know i have some
database design problem, but i cant modify that.

i am showing all the prices from differents locations of products of a
category also in different time range, because the prices change every
15 days in each location.

# controller

def prods_x_cat
# This will load all the products of a category
@products =  Product.prods_x_cat(params[:id],:include =>
:raw_datas)
@cortes = RawData.cortes
respond_to do |format|
format.js { render :layout=>false}
end
end

# prods_x_cat.js.erb

var jqxhr1 = $.ajax($("#loading_overlay .loading_message,
#loading_overlay").fadeIn());
$('#datos').html("<%= escape_javascript render
:partial=>'/shared/prods_x_cat'%>")

# view

<%[email protected] do |c|%>
<a href="#<%=c.corte%>" class="round_top"><%=c.corte%></a>
<%end%>
<%[email protected] do |c|%>
<%@fecha = c.corte_real%>
<div id="<%=c.corte%>" class="block no_padding">
<table class="display datatable">
<thead>
<tr>
<th>SKU</th>
<%Company.active.order('table_field ASC').each do |c|%>
<th><%=c.abbr%></th>
<%end%>
<th>Average</th>
<th>Mode</th>
<th>Minimum</th>
<th>Maximum</th>
</tr>
</thead>
<tbody>
<%[email protected] do |p|%>
<tr class="gradeA">
<td><%=p.name%></td>
<%p.raw_datas.where("product_id='#{p.id}' and
corte_real='#{@fecha}'").each do |prd|%>
<td><%=prd.location1.to_f.round(2)%></td>
<td><%=prd.location2.to_f.round(2)%></td>
<td><%=prd.location3.to_f.round(2)%></td>
<td><%=prd.location4.to_f.round(2)%></td>
<td><%=prd.location5.to_f.round(2)%></td>
<td><%=prd.location6.to_f.round(2)%></td>
<td><%=prd.location7.to_f.round(2)%></td>
<td><%=prd.location8.to_f.round(2)%></td>
<td><%=prd.promedio.to_f.round(2)%></td>
<td><%=prd.moda%></td>
<td><%=prd.minimo.to_f.round(2)%></td>
<td><%=prd.maximo.to_f.round(2)%></td>
<%end%>
</tr>
<%end%>
</tbody>
</table>
</div>
<%end%>
</div>

i know it should be something with the query, still don't know

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