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Posted to issues@flink.apache.org by GitBox <gi...@apache.org> on 2019/06/04 08:41:37 UTC

[GitHub] [flink] knaufk commented on a change in pull request #8607: [FLINK-12652] [documentation] add first version of a glossary

knaufk commented on a change in pull request #8607: [FLINK-12652] [documentation] add first version of a glossary
URL: https://github.com/apache/flink/pull/8607#discussion_r290187139
 
 

 ##########
 File path: docs/concepts/glossary.md
 ##########
 @@ -0,0 +1,140 @@
+---
+title: Glossary
+nav-pos: 3
+nav-title: Glossary
+nav-parent_id: concepts
+---
+<!--
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+
+#### Flink Application Cluster
+
+A Flink Application Cluster is a dedicated [Flink Cluster](./glossary#flink-cluster) that only
+executes a single [Flink Job](./glossary#flink-job). The lifetime of the
+[Flink Cluster](./glossary#flink-cluster) is bound to the lifetime of the Flink Job. Formerly
+Flink Application Clusters were also known as Flink Clusters in *job mode*.
+
+#### Flink Cluster
+
+The distributed system consisting of (typically) one Flink Master process and one or more Flink
+Taskmanagers processes.
 
 Review comment:
   In my opinion, we should use "Flink Master (process)" instead of Flink JobManager, yes. Flink JobManager is too overloaded, since the FLIP-6 effort. Are there cases, where the JobManagers are not running in the same process as Resource Manager and Dispatcher?
   
   I also thought about adding these to the Glossary. We should also add JobManager then, to avoid confusion, so: Flink Master, JobManager, TaskManager. 
   
   What do you think?

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