516bdc7e08
### What changes were proposed in this pull request? As title ### Why are the changes needed? As title ### Does this PR introduce _any_ user-facing change? No ### How was this patch tested? Manual test Closes #1795 from cfmcgrady/sbt-docs. Authored-by: Fu Chen <cfmcgrady@gmail.com> Signed-off-by: Cheng Pan <chengpan@apache.org>
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| 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 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. |
Worker
The main functions of Celeborn Worker are:
- Store, serve, and manage
PartitionLocationdata. See Storage - Traffic control through
Back PressureandCongestion Control. See Traffic Control - Support rolling upgrade through
Graceful Shutdown - Support elasticity through
Decommission Shutdown - Self health check
Celeborn Worker has four dedicated servers:
Controllerhandles control messages, i.e.ReserveSlots,CommitFiles, andDestroyWorkerSlotsPush Serverhandles primary input data, i.e.PushDataandPushMergedData, and push related control messagesReplicate Serverhandles replica input data, it has the same logic withPush ServerFetch Serverhandles fetch requests, i.e.ChunkFetchRequest, and fetch related control messages