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From GitBox <...@apache.org>
Subject [GitHub] liurenjie1024 opened a new pull request #6451: [FLINK-9936] Resource manager connect to mesos after leadership granted. .
Date Mon, 30 Jul 2018 08:12:52 GMT
liurenjie1024 opened a new pull request #6451: [FLINK-9936] Resource manager connect to mesos
after leadership granted. .
URL: https://github.com/apache/flink/pull/6451
 
 
   ## What is the purpose of the change
   
   This PR fixes a bug in mesos resource manager which makes it unable to connect to mesos
after failover.
   
   
   ## Brief change log
   
     - Add **onLeadershipGranted** callback in resource manager.
     - Add **onLeadershipRevoked** callback in resource manager.
   
   
   ## Verifying this change
   
   This change added tests and can be verified as follows:
   
     - Manually verified the change by running a cluster on mesos, a stateful streaming program,
and killing one JobManager and two TaskManagers during the execution, verifying that recovery
happens correctly.
   
   ## 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
   
     - Does this pull request introduce a new feature? no
   

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