pnowojski opened a new pull request #9017: [FLINK-13013][network] Request partitions during InputGate#setup URL: https://github.com/apache/flink/pull/9017 Before partitions were being requested on first polling/getting next buffer which was causing a couple of issues: - it was a little bit confusing - after first requestPartitions call, this was causing unnecessary synchronisation overhead - this was preventing data notifications to come through and isAvailable() future was always not completed before the first attempt to read the data from the input gate On top of that, this PR includes a couple of hotfixes, for which please look at the individual commits/commit messages. ## Verifying this change This change is covered by existing unit and integration tests and it also adds a new unit test to add a test coverage for one issue found by ITCase. ## Does this pull request potentially affect one of the following parts: - Dependencies (does it add or upgrade a dependency): (yes / **no**) - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (yes / **no**) - The serializers: (yes / **no** / don't know) - The runtime per-record code paths (performance sensitive): (**yes** / no / don't know) - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Yarn/Mesos, ZooKeeper: (yes / **no** / don't know) - The S3 file system connector: (yes / no ****/ don't know) ## Documentation - Does this pull request introduce a new feature? (yes / **no**) - If yes, how is the feature documented? (**not applicable** / docs / JavaDocs / not documented)
---------------------------------------------------------------- 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. For queries about this service, please contact Infrastructure at: [email protected] With regards, Apache Git Services
