Do not patch aws_sdk by default

alphagov · Oct 3, 2018 · a27d557 · a27d557
1 parent 55211b1
commit a27d557
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/lib/govuk_app_config/govuk_xray.rb b/lib/govuk_app_config/govuk_xray.rb
@@ -8,9 +8,10 @@ def self.initialize(app)
   end
 
   def self.start
-    # if aws-sdk is loaded, we want to instrument that too
-    patch = Gem.loaded_specs.has_key?('aws-sdk-core') ?
-              %I[aws_sdk net_http] : %I[net_http]
+    # patching 'aws_sdk' seem to impose a large memory overhead, so
+    # don't do that by default
+    patch = ENV.has_key?('XRAY_PATCH_AWS_SDK') ?
+               %I[aws_sdk net_http] : %I[net_http]
 
     # if there isn't a name set, attempting to record a segment will
     # throw an error