(PE-37376) Refactor instance-creation-concurrency default, set to 3

Author: justinstoller

src/clj/puppetlabs/services/jruby_pool_manager/impl/jruby_internal.clj

@@ -184,7 +184,7 @@
   [config :- jruby-schemas/JRubyConfig]
   (let [multithreaded (:multithreaded config)
         size (:max-active-instances config)
-        creation-concurrency (get config :instance-creation-concurrency 4)
+        creation-concurrency (:instance-creation-concurrency config)
         creation-service (Executors/newFixedThreadPool creation-concurrency)]
     (if multithreaded
       {:pool (instantiate-reference-pool size)

src/clj/puppetlabs/services/jruby_pool_manager/jruby_core.clj

@@ -174,6 +174,7 @@
       (update-in [:environment-vars] #(or % {}))
       (update-in [:lifecycle] initialize-lifecycle-fns)
       (update-in [:multithreaded] #(if (nil? %) false %))
+      (update-in [:instance-creation-concurrency] #(if (nil? %) 3 %))
       jruby-internal/initialize-gem-path))
 
 (schema/defn register-event-handler

src/clj/puppetlabs/services/jruby_pool_manager/jruby_schemas.clj

@@ -95,7 +95,7 @@
    :profiling-mode SupportedJRubyProfilingModes
    :profiler-output-file schema/Str
    :multithreaded schema/Bool
-   (schema/optional-key :instance-creation-concurrency) schema/Int})
+   :instance-creation-concurrency schema/Int})
 
 (def JRubyPoolAgent
   "An agent configured for use in managing JRuby pools"