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Posted to issues@flink.apache.org by tillrohrmann <gi...@git.apache.org> on 2017/07/31 16:53:30 UTC

[GitHub] flink pull request #4435: [FLINK-7320] [futures] Replace Flink's futures wit...

GitHub user tillrohrmann opened a pull request:

    https://github.com/apache/flink/pull/4435

    [FLINK-7320] [futures] Replace Flink's futures with Java 8's CompletableFuture in Scheduler

    ## What is the purpose of the change
    
    Replace Flink's futures with Java 8's CompletableFuture in Scheduler.
    
    This PR is based on #4433.
    
    ## Verifying this change
    
    This change is a trivial rework / code cleanup without any test coverage.
    
    ## 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)
    
    ## Documentation
    
      - Does this pull request introduce a new feature? (no)
    


You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/tillrohrmann/flink rfScheduler

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/flink/pull/4435.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 #4435
    
----
commit afe1d171132bb3724e672a1c4ce74a3f7c185908
Author: Till Rohrmann <tr...@apache.org>
Date:   2017-07-31T13:07:18Z

    [FLINK-7313] [futures] Add Flink future and Scala future to Java 8 CompletableFuture conversion
    
    Add DirectExecutionContext
    
    Add Scala Future to Java 8 CompletableFuture utility to FutureUtils
    
    Add Flink future to Java 8's CompletableFuture conversion utility to FutureUtils
    
    Add base class for Flink's unchecked future exceptions

commit 84dbf47a47e3f73bcf52db112efc36cb47f43180
Author: Till Rohrmann <tr...@apache.org>
Date:   2017-07-31T15:55:06Z

    [FLINK-7318] [futures] Replace Flink's futures in StackTraceSampleCoordinator with Java 8 CompletableFuture

commit 2fa9a9ebe5c669b6b9b20ec427d3faf10ffe5712
Author: Till Rohrmann <tr...@apache.org>
Date:   2017-07-31T13:53:48Z

    [FLINK-7314] [futures] Replace Flink's futures with CompletableFuture in TaskManagerLogHandler

commit f0344e4b554f440f966cd481ac245941d8a465ad
Author: Till Rohrmann <tr...@apache.org>
Date:   2017-07-31T16:06:20Z

    [FLINK-7319] [futures] Replace Flink's Futures with Java 8 CompletableFuture in MesosResourceManager

commit d37fc6bd262d57324ee5f5b6e163b7450de9e286
Author: Till Rohrmann <tr...@apache.org>
Date:   2017-07-31T14:33:21Z

    [FLINK-7317] [futures] Replace Flink's futures with Java 8's CompletableFuture in ExecutionGraph
    
    Change FutureUtils.retry to work with CompletableFutures
    
    Let ConjunctFutures extends CompletableFuture
    
    Remove Flink's futures from ExecutionGraph

commit 62e01ca2cfd6f41fbdbd0640e52a81f92f3baeae
Author: Till Rohrmann <tr...@apache.org>
Date:   2017-07-31T16:37:00Z

    [FLINK-7320] [futures] Replace Flink's futures with Java 8's CompletableFuture in Scheduler

----


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[GitHub] flink pull request #4435: [FLINK-7320] [futures] Replace Flink's futures wit...

Posted by zentol <gi...@git.apache.org>.
Github user zentol commented on a diff in the pull request:

    https://github.com/apache/flink/pull/4435#discussion_r130428135
  
    --- Diff: flink-runtime/src/main/java/org/apache/flink/runtime/jobmanager/scheduler/Scheduler.java ---
    @@ -152,12 +150,14 @@ else if (ret instanceof Future) {
     			}
     		}
     		catch (NoResourceAvailableException e) {
    -			return FlinkCompletableFuture.completedExceptionally(e);
    +			CompletableFuture<SimpleSlot> notEnoughResources = new CompletableFuture<>();
    --- End diff --
    
    How about introducing a utility method to create an exceptionally completed `CompletableFuture` in one line?


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[GitHub] flink pull request #4435: [FLINK-7320] [futures] Replace Flink's futures wit...

Posted by asfgit <gi...@git.apache.org>.
Github user asfgit closed the pull request at:

    https://github.com/apache/flink/pull/4435


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[GitHub] flink issue #4435: [FLINK-7320] [futures] Replace Flink's futures with Java ...

Posted by tillrohrmann <gi...@git.apache.org>.
Github user tillrohrmann commented on the issue:

    https://github.com/apache/flink/pull/4435
  
    Thanks for the review @zentol. Merging this PR.


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[GitHub] flink pull request #4435: [FLINK-7320] [futures] Replace Flink's futures wit...

Posted by tillrohrmann <gi...@git.apache.org>.
Github user tillrohrmann commented on a diff in the pull request:

    https://github.com/apache/flink/pull/4435#discussion_r130591837
  
    --- Diff: flink-runtime/src/main/java/org/apache/flink/runtime/jobmanager/scheduler/Scheduler.java ---
    @@ -152,12 +150,14 @@ else if (ret instanceof Future) {
     			}
     		}
     		catch (NoResourceAvailableException e) {
    -			return FlinkCompletableFuture.completedExceptionally(e);
    +			CompletableFuture<SimpleSlot> notEnoughResources = new CompletableFuture<>();
    --- End diff --
    
    I actually did in one of the other up PRs. I'll try to merge this one first and then adapt the code here.


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