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Posted to commits@heron.apache.org by GitBox <gi...@apache.org> on 2019/03/13 20:01:17 UTC

[GitHub] [incubator-heron] simingweng opened a new pull request #3215: Support overriden configuration in ckpmanager

simingweng opened a new pull request #3215: Support overriden configuration in ckpmanager
URL: https://github.com/apache/incubator-heron/pull/3215
 
 
   with this extra CLI argument added to `Checkpoint Manager`, it becomes possible to override `Checkpoint Manager` configuration via `-D` system properties that are specified to Heron API server process during deployment time.
   
   A useful use case is to switch `heron.statefulstorage.classname` to a different stateful storage backend, such as `DlogStorage` when deployed on Kubernetes cluster, without having to build customized Heron docker image.

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