license: | 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

  https://www.apache.org/licenses/LICENSE-2.0

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Overview

Celeborn Client is separated into two roles:

  • LifecycleManager for control plane, responsible for managing all shuffle metadata for the application, resides in driver for Apache Spark and JobMaster for Apache Flink. See LifecycleManager
  • ShuffleClient for data plane, responsible for write/read data to/from Workers, resides in executors for Apache Spark and TaskManager for Apache Flink. See ShuffleClient