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Posted to dev@flink.apache.org by "Stephan Ewen (JIRA)" <ji...@apache.org> on 2016/12/05 02:07:58 UTC

[jira] [Created] (FLINK-5254) Implement Yarn HA Services

Stephan Ewen created FLINK-5254:
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             Summary: Implement Yarn HA Services
                 Key: FLINK-5254
                 URL: https://issues.apache.org/jira/browse/FLINK-5254
             Project: Flink
          Issue Type: Sub-task
          Components: YARN
            Reporter: Stephan Ewen


The Yarn HighAvailability Services should be 


**Default**
  - This option takes the YARN Application's working directory as HA storage
  - It automatically uses that working directory for the BlobStore
  - It creates a HDFS based "RunningJobsRegistry" (see below)
  - ResourceManager leader election has a pre-configured leader, via the configuration, pointing to the AppMaster address.

**ZooKeeper Based**
  - The ZooKeeper based services use ZooKeeper for the ResourceManager and JobManager leader election. That way, they are safe against network partition scenarios that otherwise lead to "split brain" situations

A prototype for the simple "single job" {{RunningJobsRegistry}} based on HDFS is here: https://github.com/StephanEwen/incubator-flink/commit/aaa2d7758797b2d6c9b6da42be6a5c4989468e3b



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