GitHub user tillrohrmann opened a pull request: https://github.com/apache/flink/pull/5319
[FLINK-8463] [rest] Remove blocking of IO executor in RestClient#submitRequest ## What is the purpose of the change Instead of waiting on the ChannelFuture we register a ChannelFutureListener which is notified when the channel has been established. This unblocks IO executor threads in the RestClient. ## Verifying this change This change is already 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)`: (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: (no) - The S3 file system connector: (no) ## Documentation - Does this pull request introduce a new feature? (no) - If yes, how is the feature documented? (not applicable) You can merge this pull request into a Git repository by running: $ git pull https://github.com/tillrohrmann/flink removeRestClientBlocking Alternatively you can review and apply these changes as the patch at: https://github.com/apache/flink/pull/5319.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 #5319 ---- commit bb0032ff74aa71b3e2f8be9bc201a00e28551280 Author: Till Rohrmann <trohrmann@...> Date: 2018-01-19T17:27:22Z [FLINK-8463] [rest] Remove blocking of IO executor in RestClient#submitRequest Instead of waiting on the ChannelFuture we register a ChannelFutureListener which is notified when the channel has been established. This unblocks IO executor threads in the RestClient. ---- ---