Store request methods/URIs as values

Since filtering by these values is very rare (they're mostly just
displayed as-is) we don't need to waste any index space by saving them
as tags. By storing them as values we also greatly reduce the number of
series in InfluxDB.

1 files changed, 5 insertions, 1 deletions

diff --git a/lib/gitlab/metrics/transaction.rb b/lib/gitlab/metrics/transaction.rb
index 306656d30fe..73131cc6ef2 100644
--- a/lib/gitlab/metrics/transaction.rb
+++ b/lib/gitlab/metrics/transaction.rb
@@ -4,7 +4,7 @@ module Gitlab
     class Transaction
       THREAD_KEY = :_gitlab_metrics_transaction
 
-      attr_reader :tags
+      attr_reader :tags, :values
 
       def self.current
         Thread.current[THREAD_KEY]
@@ -46,6 +46,10 @@ module Gitlab
         @values[name] += value
       end
 
+      def set(name, value)
+        @values[name] = value
+      end
+
       def add_tag(key, value)
         @tags[key] = value
       end