xuzhiwen1255 opened a new pull request, #22010:
URL: https://github.com/apache/flink/pull/22010
## What is the purpose of the change
In the sequence mode, the dataGen field will preload all the sequence values
when it is initialized, and it will take a long time during this period
## Brief change log
- Adapt the way of preloading the value to generate a sequence value every
time the next method is called
- The checkpoint saves not all the sequence values, but the position where
the current task sends the sequence value
## Verifying this change
`DataGeneratorSourceTest` and `DataGenTableSourceFactoryTest`
## 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
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
