Network roundtrip on each serialised message

[piotr-yuxuan]

slava/src/piotr_yuxuan/slava.clj

Lines 28 to 32 in 234a755

	(defn schema-id!
	"FIXME add cljdoc"
	;; FIXME on every serialization. Should be cached.
	[^SchemaRegistryClient inner-client ^String subject-name]
	(.getId (.getLatestSchemaMetadata inner-client subject-name)))

It can be avoided by using metadata, but it shouldn't happen in the general case.