knaufk commented on a change in pull request #11092: [FLINK-15999] Extract “Concepts” material from API/Library sections and start proper concepts section URL: https://github.com/apache/flink/pull/11092#discussion_r379582452
########## File path: docs/concepts/flink-architecture.md ########## @@ -0,0 +1,140 @@ +--- +title: Flink Architecture +nav-id: flink-architecture +nav-pos: 4 +nav-title: Flink Architecture +nav-parent_id: concepts +--- +<!-- +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. +--> + +* This will be replaced by the TOC +{:toc} + +## Flink Applications and Flink Sessions + +`TODO: expand this section` + +{% top %} + +## Anatomy of a Flink Cluster + +`TODO: expand this section, especially about components of the Flink Master and +container environments` + +The Flink runtime consists of two types of processes: + + - The *Flink Master* coordinates the distributed execution. It schedules + tasks, coordinates checkpoints, coordinates recovery on failures, etc. + + There is always at least one *Flink Master*. A high-availability setup will + have multiple *Flink Masters*, one of which one is always the *leader*, and + the others are *standby*. + + - The *TaskManagers* (also called *workers*) execute the *tasks* (or more + specifically, the subtasks) of a dataflow, and buffer and exchange the data Review comment: according to the glossary "(or more specifically, the subtasks)" does not make sense. ---------------------------------------------------------------- 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. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services
