Make repo graph work for large repos on slower machines

Gemfile

@@ -23,7 +23,7 @@ gem 'omniauth-github'
 # Extracting information from a git repository
 # Provide access to Gitlab::Git library
-gem "gitlab_git", '2.0.1'
+gem "gitlab_git", '2.1.0'
 # Ruby/Rack Git Smart-HTTP Server Handler
 gem 'gitlab-grack', '~> 1.0.1', require: 'grack'

Gemfile.lock

@@ -186,7 +186,7 @@ GEM
     gitlab-pygments.rb (0.3.2)
       posix-spawn (~> 0.3.6)
       yajl-ruby (~> 1.1.0)
-    gitlab_git (2.0.1)
+    gitlab_git (2.1.0)
       activesupport (~> 3.2.13)
       github-linguist (~> 2.3.4)
       gitlab-grit (~> 2.6.0)
@@ -578,7 +578,7 @@ DEPENDENCIES
   gitlab-gollum-lib (~> 1.0.1)
   gitlab-grack (~> 1.0.1)
   gitlab-pygments.rb (~> 0.3.2)
-  gitlab_git (= 2.0.1)
+  gitlab_git (= 2.1.0)
   gitlab_meta (= 6.0)
   gitlab_omniauth-ldap (= 1.0.3)
   gon

app/views/projects/graphs/show.html.haml

@@ -13,7 +13,7 @@
         %option{:value => "deletions"} Deletions
     %h3#date_header.page-title
     %p.light
-      Commits to #{@project.default_branch}, excluding merge commits. Limited by 8,000 commits
+      Commits to #{@project.default_branch}, excluding merge commits. Limited by 6,000 commits
     %input#brush_change{:type => "hidden"}
   .graphs
     #contributors-master