flink
flink copied to clipboard
[FLINK-34371][runtime] Support EndOfStreamTrigger and isOutputOnlyAfterEndOfStream operator attribute to optimize task deployment
What is the purpose of the change
This pull request adds support for EndOfStreamTrigger and isOutputOnlyAfterEndOfStream operator attribute to optimize task deployment.
Brief change log
- Introduces OperatorAttributes with isOutputOnlyAfterEndOfStream attribute
- Schedules operators with isOutputOnlyAfterEndOfStream=true to run in blocking mode
- Make WindowOperator and StreamSortOperator return isOutputOnlyAfterEndOfStream=true in certain cases
Verifying this change
- This change adds unit tests for OperatorAttributes and the corresponding blocking mode changes.
- The change on WindowOperator and StreamSortOperator is covered by existing tests.
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)
: yes - The serializers: no
- The runtime per-record code paths (performance sensitive): yes
- Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Kubernetes/Yarn, ZooKeeper: yes
- The S3 file system connector: no
Documentation
- Does this pull request introduce a new feature? yes
- If yes, how is the feature documented? JavaDocs
CI report:
- 6567058eee9d67fb1c9ea3e1d160204a568f745a Azure: SUCCESS
Bot commands
The @flinkbot bot supports the following commands:-
@flinkbot run azure
re-run the last Azure build
Thanks for the comments @Sxnan @mohitjain2504 . I have updated the PR according to the comments.
@yunfengzhou-hub Thanks for the update. LGTM!
What is the reason for closing? Did I miss something?
@mohitjain2504 It's merged.