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Subject [GitHub] [flink] markcho opened a new pull request #12618: [FLINK-18263] [WIP] Extend Flink CheckpointRetentionPolicy to optionally retain checkpoints even when the job is successfully finished.
Date Thu, 11 Jun 2020 20:05:17 GMT

markcho opened a new pull request #12618:
URL: https://github.com/apache/flink/pull/12618


   [FLINK-18263] [WIP] Extend Flink CheckpointRetentionPolicy to optionally retain checkpoints
even when the job is successfully finished.
   
   Work in progress PR to reference from https://jira.apache.org/jira/browse/FLINK-18263
   
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   ## What is the purpose of the change
   
   WIP PR for https://jira.apache.org/jira/browse/FLINK-18263. More changes will be made to
the PR if we do decide to extend the externalized checkpoint retention configuration.
   
   More context is available in the Jira ticket. This PR extends `execution.checkpointing.externalized-checkpoint-retention`
configuration to allow users to configure externalized checkpoint retention for jobs in all
terminal state, including FINISHED state.
   
   
   ## Brief change log
   - Refactored `ExternalizedCheckpointCleanup` enum to include a third option to `RETAIN_ON_SUCCESS`.
   
   ## Verifying this change
   - Did a quick verification against our prod jobs. Additional verifications will be needed
after making additional changes to the PR. 
   
   
   ## Does this pull request potentially affect one of the following parts:
     - Dependencies (does it add or upgrade a dependency): no
     - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: no
     - The serializers: no
     - The runtime per-record code paths (performance sensitive): no
     - Anything that affects deployment or recovery: JobManager no
     - The S3 file system connector: no
   
   ## Documentation
     - Does this pull request introduce a new feature? no
   


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