diff --git a/CHANGELOG.md b/CHANGELOG.md
index fa5f30c..77e1250 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # CHANGELOG for dse-chef
 
+This file is used to list changes made in each version of the dse-chef cookbook.
+
+## 0.1.0
+* adding *concurrent_compactors* to configuration attributes `node[:datastax][:cassandra][:concurrent_compactors]`
+* adding *datastax* data bag item example
+
 ## 0.0.99
 * adding server search to opscenter-agent recipe (node[:datastax][:opscenter][:server_role] attribute)
 * agent configuration will warn and exit when server cannot be found or too many are found
diff --git a/README.md b/README.md
index 7e72203..fd9850e 100644
--- a/README.md
+++ b/README.md
@@ -10,6 +10,7 @@ Chef version 0.10.10+ and Ohai 0.6.12+ are required.
 
 ### Platform
 * Ubuntu 12.10
+* Ubuntu 14.04
 
 **Notes**: This cookbook has been tested on the listed platforms. It may work on other platforms with or without modification.
 
@@ -26,7 +27,16 @@ Installs Java
 
 Data Bags
 ---------
-From the *keys* data bag, there should be an item called Datastax that includes the username and password to download Datastax Enterprise.
+From the *keys* data bag, there should be an item called _datastax_ that includes the username and password to download Datastax Enterprise. The format of the data in this data bag should be:
+
+```json
+{
+  "id": "datastax",
+  "user": "myuser",
+  "password": "mypassword"
+}
+```
+
 
 Roles
 -----
diff --git a/attributes/cassandra.rb b/attributes/cassandra.rb
index 9dbf00e..2b00a4c 100644
--- a/attributes/cassandra.rb
+++ b/attributes/cassandra.rb
@@ -500,7 +500,7 @@
 #
 # concurrent_compactors defaults to the number of cores.
 # Uncomment to make compaction mono-threaded, the pre-0.8 default.
-#concurrent_compactors: 1
+default[:datastax][:cassandra][:concurrent_compactors] = 1
 
 # Multi-threaded compaction. When enabled, each compaction will use
 # up to one thread per core, plus one thread per sstable being merged.
diff --git a/metadata.rb b/metadata.rb
index b4b6498..e11e397 100644
--- a/metadata.rb
+++ b/metadata.rb
@@ -4,7 +4,9 @@
 license          'All rights reserved'
 description      'Installs/Configures dse-chef'
 long_description IO.read(File.join(File.dirname(__FILE__), 'README.md'))
-version          '0.0.99'
+version          '0.1.0'
+
+supports 'ubuntu', '>= 12.04'
 
 depends 'java'
 depends 'apache2'
diff --git a/templates/default/cassandra-1.2.yaml.erb b/templates/default/cassandra-1.2.yaml.erb
index 2391023..60a1110 100644
--- a/templates/default/cassandra-1.2.yaml.erb
+++ b/templates/default/cassandra-1.2.yaml.erb
@@ -499,7 +499,11 @@ in_memory_compaction_limit_in_mb: <%= node[:datastax][:cassandra][:in_memory_com
 #
 # concurrent_compactors defaults to the number of cores.
 # Uncomment to make compaction mono-threaded, the pre-0.8 default.
+<% if node[:datastax][:cassandra][:concurrent_compactors].nil? || node[:datastax][:cassandra][:concurrent_compactors] < 1 %>
 #concurrent_compactors: 1
+<% else %>
+concurrent_compactors: <%= node[:datastax][:cassandra][:concurrent_compactors] %>
+<% end %>
 
 # Multi-threaded compaction. When enabled, each compaction will use
 # up to one thread per core, plus one thread per sstable being merged.
diff --git a/templates/default/cassandra-2.0.yaml.erb b/templates/default/cassandra-2.0.yaml.erb
index 269b5bb..4498d1e 100644
--- a/templates/default/cassandra-2.0.yaml.erb
+++ b/templates/default/cassandra-2.0.yaml.erb
@@ -457,7 +457,11 @@ in_memory_compaction_limit_in_mb: <%= node[:datastax][:cassandra][:in_memory_com
 #
 # concurrent_compactors defaults to the number of cores.
 # Uncomment to make compaction mono-threaded, the pre-0.8 default.
+<% if node[:datastax][:cassandra][:concurrent_compactors].nil? || node[:datastax][:cassandra][:concurrent_compactors] < 1 %>
 #concurrent_compactors: 1
+<% else %>
+concurrent_compactors: <%= node[:datastax][:cassandra][:concurrent_compactors] %>
+<% end %>
 
 # Multi-threaded compaction. When enabled, each compaction will use
 # up to one thread per core, plus one thread per sstable being merged.