[PR] [hotfix][config] Fix incorrect example keys in config.yaml [flink]

["yanjin24 (via GitHub)" <gi...@apache.org>]

yanjin24 opened a new pull request, #29288:
URL: https://github.com/apache/flink/pull/29288

   ## What is the purpose of the change
   
   Fixes three broken examples in the shipped `config.yaml` template:
   
   1. The HistoryServer example nests `fs.refresh-interval` under `historyserver.archive.fs`, which flattens to the non-existent key `historyserver.archive.fs.fs.refresh-interval` and therefore never takes effect.
   2. The commented `jobmanager` block in the HistoryServer section clashes with the active top-level `jobmanager` key: uncommenting it makes the whole file fail to parse with a `DuplicateKeyException`.
   3. Same for the commented `taskmanager` block in the Advanced section.
   
   ## Brief change log
   
     - `fs.refresh-interval: 10000` → `refresh-interval: 10000`
     - Express the `jobmanager.archive.fs.dir` and `taskmanager.memory.network.*` examples in flat key form (e.g. `jobmanager.archive.fs.dir: hdfs:///completed-jobs/`). The flat form is documented as equivalent to the nested form, matches the HistoryServer docs page, and can be uncommented in place without clashing with the active top-level keys.
   
   ## Verifying this change
   
   Comment-only change in a resource template; no tests affected. Manually verified that a config combining the active top-level sections with the (uncommented) fixed examples parses without errors and flattens to exactly `jobmanager.archive.fs.dir`, `historyserver.archive.fs.refresh-interval`, and `taskmanager.memory.network.*`.
   
   ## 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 (and its components), Checkpointing, Kubernetes/Yarn, ZooKeeper: no
     - The S3 file system connector: no
   
   ## Documentation
   
     - Does this pull request introduce a new feature? no
   
   ---
   
   ##### Was generative AI tooling used to co-author this PR?
   
   - [X] Yes (please specify the tool below)
   
   Generated-by: Claude Code
   


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Re: [PR] [hotfix][config] Fix incorrect example keys in config.yaml [flink]

["flinkbot (via GitHub)" <gi...@apache.org>]

flinkbot commented on PR #29288:
URL: https://github.com/apache/flink/pull/29288#issuecomment-5829491722

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   ## CI report:
   
   * c964f4394298feb45d311b090966b23653bc1887 UNKNOWN
   
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