Index: bin/HBase.rb =================================================================== --- bin/HBase.rb (revision 823682) +++ bin/HBase.rb (working copy) @@ -549,6 +549,8 @@ now = Time.now scan = Scan.new() scan.setCacheBlocks(false) + # We can safely set scanner caching with the first key only filter + scan.setCaching(10) scan.setFilter(FirstKeyOnlyFilter.new()) s = @table.getScanner(scan) count = 0