try out jemalloc

Gemfile

@@ -1,7 +1,7 @@
 source 'https://rubygems.org'
 gemspec
 
-ruby '2.1.2' if ENV.key?('DYNO')
+ruby '2.1.6' if ENV.key?('DYNO')
 
 gem 's3',              github: 'travis-ci/s3'
 
@@ -32,6 +32,8 @@ gem 'simplecov'
 gem 'skylight', '~> 0.6.0.beta.1'
 gem 'stackprof'
 
+gem 'jemalloc'
+
 group :test do
   gem 'rspec',         '~> 2.13'
   gem 'factory_girl',  '~> 2.4.0'

Gemfile.lock

@@ -190,6 +190,7 @@ GEM
     httpclient (2.6.0.1)
     i18n (0.7.0)
     ice_nine (0.11.1)
+    jemalloc (1.0.1)
     journey (1.0.4)
     json (1.8.3)
     kgio (2.9.2)
@@ -339,6 +340,7 @@ DEPENDENCIES
   factory_girl (~> 2.4.0)
   foreman
   gh
+  jemalloc
   metriks (= 0.9.9.6)
   metriks-librato_metrics!
   micro_migrations
@@ -367,3 +369,6 @@ DEPENDENCIES
   travis-yaml!
   unicorn
   yard-sinatra!
+
+BUNDLED WITH
+   1.10.5

Procfile

@@ -1,3 +1,3 @@
-web: bundle exec ./script/server
-console: bundle exec ./script/console
-sidekiq: bundle exec sidekiq -c 4 -r ./lib/travis/sidekiq.rb -q build_cancellations, -q build_restarts, -q job_cancellations, -q job_restarts
+web: bundle exec je ./script/server
+console: bundle exec je ./script/console
+sidekiq: bundle exec je sidekiq -c 4 -r ./lib/travis/sidekiq.rb -q build_cancellations, -q build_restarts, -q job_cancellations, -q job_restarts