GitHub user sihuazhou opened a pull request: https://github.com/apache/flink/pull/5881
[FLINK-9190][yarn] fix YarnResourceManager sometimes does not request new Containers ## What is the purpose of the change This PR fixes the problem that `YarnResourceManager` does not request new Containers when container were killed without registering with `ResourceManager`. ## Brief change log - *fix YarnResourceManager sometimes does not request new Containers* ## Verifying this change - *add unit test to `YarnResourceManagerTest#testKillContainerBeforeTMRegisterSuccessfully()` verify this* ## 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, Yarn/Mesos, ZooKeeper: (*yes*) - The S3 file system connector: (no) ## Documentation no You can merge this pull request into a Git repository by running: $ git pull https://github.com/sihuazhou/flink fixYarnResourceManagerRequestContainers Alternatively you can review and apply these changes as the patch at: https://github.com/apache/flink/pull/5881.patch To close this pull request, make a commit to your master/trunk branch with (at least) the following in the commit message: This closes #5881 ---- commit bbf03ca7fc709e11627560466bff01b9e750bbd2 Author: sihuazhou <summerleafs@...> Date: 2018-04-20T05:02:28Z fix YarnResourceManager sometimes does not request new Containers ---- ---