chenzihao5 opened a new pull request, #28685:
URL: https://github.com/apache/flink/pull/28685
## What is the purpose of the change
Introduce a lazy-loading mode that loads archive details on demand,
improving archive load times and enhancing the user experience.
## Brief change log
- Introduce three configurations:
- `historyserver.archive.load.mode` to specify the loading mode,
supports `EAGER`(default) and `LAZY`
- `historyserver.lazy.fetch.executor.common.pool-size` and
`historyserver.lazy.fetch.executor.individual.pool-size` to control the loading
thread pool
- Add `PENDING`, `OVERVIEW_PARSING`, `OVERVIEW_CREATED`,
`DETAIL_PARSING` in ArchiveEventType.
- Support lazy-loading in
`org.apache.flink.runtime.webmonitor.history.AbstractHistoryServerHandler#loadResource`.
## Verifying this change
This change added tests and can be verified as follows:
- Added unit tests for lazy-loading mode, verify the different stages when
lazy loading archive by BlockingArchiveStorage.
- Added unit tests for other functions that are included in this feature.
## 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? yes
- If yes, how is the feature documented? docs
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##### Was generative AI tooling used to co-author this PR?
- [X] Yes (Claude-4.7-Opus 1M Context)
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