Github user JoshRosen commented on a diff in the pull request:
https://github.com/apache/spark/pull/7004#discussion_r35262959
--- Diff: core/src/main/scala/org/apache/spark/SparkConf.scala ---
@@ -161,6 +162,25 @@ class SparkConf(loadDefaults: Boolean) extends
Cloneable with Logging {
this
}
+ private final val avroNamespace = "avro.schema."
+
+ /**
+ * Use Kryo serialization and register the given set of Avro schemas so
that the generic
+ * record serializer can decrease network IO
+ */
+ def registerAvroSchemas(schemas: Schema*): SparkConf = {
+ schemas.foldLeft(this) { (conf, schema) =>
+ conf.set(avroNamespace +
SchemaNormalization.parsingFingerprint64(schema), schema.toString)
+ }
+ }
+
+ /** Gets all the avro schemas in the configuration used in the generic
Avro record serializer */
+ def getAvroSchema: Map[Long, String] = {
--- End diff --
What do the keys and values of this map denote?
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