From 6726c62e9460ff7ab70d741f84a7052e55b19b12 Mon Sep 17 00:00:00 2001
From: Molly Struve <mollylbs@gmail.com>
Date: Wed, 15 Jan 2020 11:11:41 -0500
Subject: [PATCH] Scrub unused data sent to Honeycomb to save space (#5512)
 [deploy]

---
 config/initializers/honeycomb.rb | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/config/initializers/honeycomb.rb b/config/initializers/honeycomb.rb
index 16f55a524..98efaf75a 100644
--- a/config/initializers/honeycomb.rb
+++ b/config/initializers/honeycomb.rb
@@ -21,6 +21,16 @@ else
       send_data.action_controller
       deliver.action_mailer
     ].freeze
+
+    # Scrub unused data to save space in Honeycomb
+    config.presend_hook do |fields|
+      if fields.key?("redis.command")
+        fields["redis.command"].slice!(0, 300)
+      elsif fields.key?("sql.active_record.binds")
+        fields.delete("sql.active_record.binds")
+        fields.delete("sql.active_record.datadog_span")
+      end
+    end
   end
 
   # here we create an additional Honeycomb client that can be used to send custom events