app/controllers/catalog_controller.rb: disable Blacklight logging of searches to searches database table

Author: da70

app/controllers/catalog_controller.rb

@@ -10,6 +10,14 @@ class CatalogController < ApplicationController
   #
   # rescue_from Blacklight::Exceptions::InvalidRequest, with: :my_handling_method
 
+  # Effectively disable the `before_action :set_current_search_session, { only: :index}`
+  # registered by Blacklight::Catalog:
+  #     - https://github.com/projectblacklight/blacklight/blob/7ab22ddebb7f47c34a4f5011585ea6428ab44884/app/controllers/concerns/blacklight/catalog.rb#L30
+  #     - https://github.com/projectblacklight/blacklight/blob/75ac3e1dc7a0d346f0c3fcd4ee6228c1c4458f22/app/controllers/concerns/blacklight/search_context.rb#L12-L15
+  # We had an outage on 5/12/25 due to MySQL out of disk errors caused by the
+  # continuous super-high search traffic generated by web crawlers.
+  before_action :set_current_search_session, if: -> { false }
+
   configure_blacklight do |config|
     ## Specify the style of markup to be generated (may be 4 or 5)
     # config.bootstrap_version = 5