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Posted to commits@samza.apache.org by GitBox <gi...@apache.org> on 2019/10/07 23:24:43 UTC

[GitHub] [samza] prateekm commented on a change in pull request #1172: SAMZA-2332: [AM isolation] YarnJob should pass new command and additional environment variables for AM deployment

prateekm commented on a change in pull request #1172: SAMZA-2332: [AM isolation] YarnJob should pass new command and additional environment variables for AM deployment
URL: https://github.com/apache/samza/pull/1172#discussion_r332279179
 
 

 ##########
 File path: samza-core/src/main/scala/org/apache/samza/config/ShellCommandConfig.scala
 ##########
 @@ -50,6 +50,17 @@ object ShellCommandConfig {
     */
   val ENV_EXECUTION_ENV_CONTAINER_ID = "EXECUTION_ENV_CONTAINER_ID"
 
+  /**
+   * Set to "true" if application master isolation is enabled. Otherwise, will be considered false.
+   */
+  val ENV_APPLICATION_MASTER_ISOLATION_ENABLED = "APPLICATION_MASTER_ISOLATION_ENABLED"
+
+  /**
+   * Can be set to a directory which is different from the base lib directory which contains some additional
+   * application-specific resources.
 
 Review comment:
   Can you clarify (in docs) what this env variable is used for? E.g., what's a 'base lib directory', when would you set it to a non-'base lib directory', and what additional application-specific resources? Also, why would you do this?

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