tillrohrmann commented on a change in pull request #8680: [FLINK-12706]
Introduce ShuffleService interface and its configuration
URL: https://github.com/apache/flink/pull/8680#discussion_r293301475
##########
File path:
flink-core/src/main/java/org/apache/flink/configuration/CoreOptions.java
##########
@@ -306,4 +306,17 @@
public static ConfigOption<Long>
fileSystemConnectionLimitStreamInactivityTimeout(String scheme) {
return ConfigOptions.key("fs." + scheme +
".limit.stream-timeout").defaultValue(0L);
}
+
+ //
------------------------------------------------------------------------
+ // shuffle service
+ //
------------------------------------------------------------------------
+
+ /**
+ * The shuffle service implementation class full name.
+ */
+ public static final ConfigOption<String> SHUFFLE_SERVICE = ConfigOptions
+ .key("shuffle.service.class.name")
+
.defaultValue("org.apache.flink.runtime.io.network.NettyShuffleService")
+ .withDescription("The full name of shuffle service
implementation class. " +
+ "The default implentation uses netty network
communication, local memory and file system on task executor");
Review comment:
`The default implementation uses Netty for network communication and local
memory as well disk space to store results on a TaskExecutor`.
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