rshkv commented on code in PR #42440: URL: https://github.com/apache/spark/pull/42440#discussion_r1290746785
########## core/src/main/java/org/apache/spark/api/plugin/SparkWorkerPlugin.java: ########## @@ -0,0 +1,47 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.spark.api.plugin; + +import org.apache.spark.annotation.*; + +/** + * :: DeveloperApi :: + * A plugin to customize the creation of PySpark and SparkR workers. + * <p> + * Plugins have two optional components: One for Python subprocesses, and one for R subprocesses. Both components + * implement {@link ProcessBuilderPlugin}. + */ +@DeveloperApi +@Evolving +@Unstable +public interface SparkWorkerPlugin { + + /** + * Return the plugin to use for Python workers. + * + * @return The plugin to use for Python workers, or null if not needed. + */ + ProcessBuilderPlugin pythonPlugin(); + + /** + * Return the plugin to use for R workers. + * + * @return The plugin to use for R workers, or null if not needed. Review Comment: I'm mirroring the `null` contract from `SparkPlugin`. Alternatively, we can provide a default implementation returning a no-op like `pb => {}`. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
