zhuzhurk opened a new pull request #10007: [FLINK-14060][runtime] Set slot sharing groups according to logical pipelined regions URL: https://github.com/apache/flink/pull/10007 ## What is the purpose of the change This PR is to set vertex slot sharing groups according to logical pipelined regions. It is a pre-requisite of FLINK-14062: Set managed memory fractions according to slot sharing groups. The changes are based on #9797 and #10006 The slot sharing group of a vertex is determined as: - if a vertex slot sharing group is specified to be null, the slot sharing group is null - if a vertex slot sharing group is specified to be a non-default value(the group name not "default"), it will be respected - if a vertex slot sharing group is "default", it will be the slot sharing group of the vertex's logical pipelined region The slot sharing group of a region is determined as: - if allVerticesInSameSlotSharingGroupByDefault is true, all regions are in the same "default" slot sharing group - if allVerticesInSameSlotSharingGroupByDefault is false, all regions will be in distinct slot sharing groups ## Brief change log - *set vertex slot sharing group according to its logical pipelined regions.* ## Verifying this change This change added tests and can be verified as follows: - *Added tests to verify slot sharing group assigning* ## Does this pull request potentially affect one of the following parts: - Dependencies (does it add or upgrade a dependency): (yes / **no**) - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (yes / **no**) - The serializers: (yes / **no** / don't know) - The runtime per-record code paths (performance sensitive): (yes / **no** / don't know) - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Yarn/Mesos, ZooKeeper: (**yes** / no / don't know) - The S3 file system connector: (yes / **no** / don't know) ## Documentation - Does this pull request introduce a new feature? (yes / **no**) - If yes, how is the feature documented? (**not applicable** / docs / JavaDocs / not documented)
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