Add scripts directory for benchmarking and dev tasks

Gemfile

@@ -15,6 +15,8 @@ gem 'activerecord-jdbcpostgresql-adapter', platforms: [:jruby]
 gem 'pg', platforms: [:mri, :mingw, :x64_mingw]
 
 platforms :ruby do
+  gem "memory_profiler"
+  gem "pry-byebug"
   gem "rbtrace"
 
   group :lint do

Gemfile.lock

@@ -60,6 +60,7 @@ GEM
       parser (>= 2.4)
       smart_properties
     builder (3.2.4)
+    byebug (11.1.3)
     capybara (3.34.0)
       addressable
       mini_mime (>= 0.1.3)
@@ -123,6 +124,7 @@ GEM
       mixlib-cli (~> 2.1, >= 2.1.1)
       mixlib-config (>= 2.2.1, < 4)
       mixlib-shellout
+    memory_profiler (1.0.0)
     method_source (1.0.0)
     mini_mime (1.0.2)
     mini_portile2 (2.5.0)
@@ -157,6 +159,9 @@ GEM
       coderay (~> 1.1)
       method_source (~> 1.0)
       spoon (~> 0.0)
+    pry-byebug (3.9.0)
+      byebug (~> 11.0)
+      pry (~> 0.13.0)
     pry-rails (0.3.9)
       pry (>= 0.10.4)
     public_suffix (4.0.6)
@@ -271,7 +276,9 @@ DEPENDENCIES
   kramdown
   kramdown-parser-gfm
   mdl
+  memory_profiler
   pg
+  pry-byebug
   pry-rails
   puma
   rbtrace

scripts/benchmark_scheduler.rb

@@ -0,0 +1,23 @@
+#
+# $ bundle exec ruby scripts/benchmark_scheduler.rb
+#
+require 'memory_profiler'
+require_relative '../lib/good_job'
+
+class Performer
+  def name
+    ''
+  end
+
+  def next
+    sleep 0.1
+  end
+end
+
+scheduler = GoodJob::Scheduler.new(Performer.new, max_threads: 5)
+
+report = MemoryProfiler.report do
+  10_000.times { scheduler.create_thread }
+end
+
+report.pretty_print