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hotspots.rb
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hotspots.rb
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require 'setup'
require 'sinatra/base'
require 'haml'
require 'sass'
require 'yajl'
require 'bcrypt'
require 'securerandom'
require 'action_view/helpers/number_helper'
require 'i18n'
require 'active_support/core_ext/array/extract_options'
require 'active_support/core_ext/hash/keys'
require 'active_support/core_ext/hash/reverse_merge'
require 'active_support/core_ext/string/output_safety'
require 'mongo'
CONN = Mongo::Connection.new
DB = CONN.db('hotspots')
def ObjectID(str)
Mongo::ObjectID.from_string(str)
end
class Hotspots < Sinatra::Base
before do
@db = DB.collection('github')
end
get '/' do
@result = DB.collection('github_stats')
haml :stats
end
get '/generate' do
result = @db.map_reduce(
"function(){
var t = this.tracers;
var result = {
time: [this.time],
objects_created: [t.objects.created],
gc_time: [t.gc.time],
mysql_time: [],
memcache_get_responses_notfound: []
};
if (t.memcache && t.memcache.get && t.memcache.get.responses && t.memcache.get.responses.notfound)
result.memcache_get_responses_notfound.push(t.memcache.get.responses.notfound);
if (t.mysql && t.mysql.time)
result.mysql_time.push(t.mysql.time);
emit(
this.rails.controller + '#' + this.rails.action,
result
);
}",
"function(key,vals){
var result = {
time: [],
objects_created: [],
gc_time: [],
mysql_time: [],
memcache_get_responses_notfound: []
};
for (var i in vals) {
var val = vals[i];
for (var f in val) {
result[f].push.apply(result[f], val[f]);
}
}
return result;
}",
:sort => ['value.time.count', :desc],
:finalize => %[function(key, val){
var stats = function(data) {
data.sort(function(a,b){ return a-b; });
var s = {};
s.count = data.length;
if (!s.count)
return s;
s.min = data[0];
s.max = data[data.length - 1];
var calc_median = function(pos, len) {
if ((len % 2) != 0)
return data[pos];
else
return (data[pos - 1] + data[pos]) / 2;
}
var middle = Math.floor(data.length / 2);
s.median = calc_median(middle, data.length);
s.q1 = calc_median(Math.floor(middle / 2), middle);
s.q2 = calc_median(Math.floor(data.length * 0.75), data.length - middle);
var i=0, sum=0
for(; i < list.length; sum += list[i++]);
s.avg = sum / s.count;
return s;
}
var result = {};
for (var f in val) {
var list = val[f];
result[f] = stats(list);
// list.sort(function(a,b){ return a-b; });
//
// for(var i=0,sum=0; i<list.length; sum+=list[i++]);
//
// result[f] = {
// count: list.length,
// min: list[0],
// max: list[list.length-1]
// };
//
// if (result[f].count)
// result[f].avg = sum/result[f].count;
}
return result;
}],
:out => 'github_stats'
)
"Done w/ #{result.count} entries"
end
helpers do
include Rack::Utils
alias_method :h, :escape_html
include ActionView::Helpers::NumberHelper
def number_with_delimiter(num,opts={})
super(num, opts.merge(:delimiter => ',', :separator => '.'))
end
def data_format(data, format)
if format == '%d'
number_with_delimiter(data.to_i)
else
format % data
end
end
end
set :server, 'thin'
set :port, 7006
set :public, File.expand_path('../public', __FILE__)
enable :static, :logging
# enable :inline_templates
use Rack::Session::Cookie, :key => 'memprof_hotspots', :secret => 'noisses_forpmem', :expire_after => 2592000
end
if __FILE__ == $0
Hotspots.run!
end