fix

Author: supercaracal

lib/redis_client/cluster/errors.rb

@@ -12,6 +12,7 @@ def with_config(config)
     end
 
     ERR_ARG_NORMALIZATION = ->(arg) { Array[arg].flatten.reject { |e| e.nil? || (e.respond_to?(:empty?) && e.empty?) } }
+    Ractor.make_shareable(ERR_ARG_NORMALIZATION) if Object.const_defined?(:Ractor, false) && Ractor.respond_to?(:make_shareable)
 
     private_constant :ERR_ARG_NORMALIZATION
 

lib/redis_client/cluster/router.rb

@@ -17,6 +17,7 @@ class Cluster
     class Router
       ZERO_CURSOR_FOR_SCAN = '0'
       TSF = ->(f, x) { f.nil? ? x : f.call(x) }.curry
+      Ractor.make_shareable(TSF) if Object.const_defined?(:Ractor, false) && Ractor.respond_to?(:make_shareable)
       DEDICATED_ACTIONS = lambda do # rubocop:disable Metrics/BlockLength
         action = Struct.new('RedisCommandRoutingAction', :method_name, :reply_transformer, keyword_init: true)
         pick_first = ->(reply) { reply.first } # rubocop:disable Style/SymbolProc