mmaped_value.rb in prometheus-client-mmap-0.15.0

- old
+ new

@@ -127,17 +127,13 @@
         @value = read_value(@key)
       end
 
 
       def rebuild_key
-        labelnames = []
-        labelvalues = []
-        @labels.each do |k, v|
-          labelnames << k
-          labelvalues << v
-        end
+        keys = @labels.keys.sort
+        values = @labels.values_at(*keys)
 
-        [@metric_name, @name, labelnames, labelvalues].to_json
+        [@metric_name, @name, keys, values].to_json
       end
 
       def write_value(key, val)
         @file.write_value(key, val)
       rescue StandardError => e