count.diff

diff --git a/core/src/main/ruby/hbase.rb b/core/src/main/ruby/hbase.rb
index de9d006..4ba2a98 100644
--- a/core/src/main/ruby/hbase.rb
+++ b/core/src/main/ruby/hbase.rb
@@ -31,6 +31,8 @@ module HBaseConstants
   MAXLENGTH = "MAXLENGTH"
   CACHE_BLOCKS = "CACHE_BLOCKS"
   REPLICATION_SCOPE = "REPLICATION_SCOPE"
+  INTERVAL = 'INTERVAL'
+  CACHE = 'CACHE'
 
   # Load constants from hbase java API
   def self.promote_constants(constants)
diff --git a/core/src/main/ruby/hbase/table.rb b/core/src/main/ruby/hbase/table.rb
index 7e1c808..51115bf 100644
--- a/core/src/main/ruby/hbase/table.rb
+++ b/core/src/main/ruby/hbase/table.rb
@@ -63,11 +63,11 @@ module Hbase
 
     #----------------------------------------------------------------------------------------------
     # Count rows in a table
-    def count(interval = 1000)
+    def count(interval = 1000, caching_rows = 10)
       # We can safely set scanner caching with the first key only filter
       scan = Scan.new
       scan.cache_blocks = false
-      scan.caching = 10
+      scan.caching = caching_rows
       scan.setFilter(FirstKeyOnlyFilter.new)
 
       # Run the scanner
diff --git a/core/src/main/ruby/shell/commands/count.rb b/core/src/main/ruby/shell/commands/count.rb
index 4341776..f65b98c 100644
--- a/core/src/main/ruby/shell/commands/count.rb
+++ b/core/src/main/ruby/shell/commands/count.rb
@@ -6,17 +6,26 @@ module Shell
           Count the number of rows in a table. This operation may take a LONG
           time (Run '$HADOOP_HOME/bin/hadoop jar hbase.jar rowcount' to run a
           counting mapreduce job). Current count is shown every 1000 rows by
-          default. Count interval may be optionally specified. Examples:
+          default. Count interval may be optionally specified. Scan caching
+          is enabled on count scans by default. Default cache size is 10 rows.
+          If your rows are small in size, you may want to increase this
+          parameter. Examples:
 
           hbase> count 't1'
-          hbase> count 't1', 100000
+          hbase> count 't1', INTERVAL => 100000
+          hbase> count 't1', CACHE => 1000
         EOF
       end
 
-      def command(table, interval = 1000)
+      def command(table, params)
+        params = {
+          'INTERVAL' => 1000,
+          'CACHE' => 10
+        }.merge(params)
+
         now = Time.now
         formatter.header
-        count = table(table).count(interval) do |cnt, row|
+        count = table(table).count(params['INTERVAL'].to_i, params['CACHE'].to_i) do |cnt, row|
           formatter.row([ "Current count: #{cnt}, row: #{row}" ])
         end
         formatter.footer(now, count)