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YARN-475. Remove a unused constant in the public API - ApplicationConstants.AM_APP_ATTEMPT_ID_ENV. Contributed by Hitesh Shah. 

svn merge --ignore-ancestry -c 1463033 ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1463034 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Vinod Kumar Vavilapalli 2013-03-31 19:18:42 +00:00
parent 853e93dac4
commit db7b5e12d0
3 changed files with 8 additions and 10 deletions
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3
hadoop-yarn-project/CHANGES.txt
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@ -48,6 +48,9 @@ Release 2.0.5-beta - UNRELEASED
YARN-450. Define value for * in the scheduling protocol (Zhijie Shen via
bikas)
YARN-475. Remove a unused constant in the public API -
ApplicationConstants.AM_APP_ATTEMPT_ID_ENV. (Hitesh Shah via vinodkv)
OPTIMIZATIONS
BUG FIXES

6
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/ApplicationConstants.java
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@ -42,12 +42,6 @@ public interface ApplicationConstants {
*/
public static final String AM_CONTAINER_ID_ENV = "AM_CONTAINER_ID";
/**
* The environment variable for APPLICATION_ATTEMPT_ID. Set in AppMaster
* environment only
*/
public static final String AM_APP_ATTEMPT_ID_ENV = "AM_APP_ATTEMPT_ID";
/**
* The environment variable for the NM_HOST. Set in the AppMaster environment
* only

9
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-unmanaged-am-launcher/src/main/java/org/apache/hadoop/yarn/applications/unmanagedamlauncher/UnmanagedAMLauncher.java
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@ -57,10 +57,11 @@
* unmanagedAM is an AM that is not launched and managed by the RM. The client
* creates a new application on the RM and negotiates a new attempt id. Then it
* waits for the RM app state to reach be YarnApplicationState.ACCEPTED after
* which it spawns the AM in another process and passes it the attempt id via
* env variable ApplicationConstants.AM_APP_ATTEMPT_ID_ENV. The AM can be in any
* language. The AM can register with the RM using the attempt id and proceed as
* normal. The client redirects app stdout and stderr to its own stdout and
* which it spawns the AM in another process and passes it the container id via
* env variable ApplicationConstants.AM_CONTAINER_ID_ENV. The AM can be in any
* language. The AM can register with the RM using the attempt id obtained
* from the container id and proceed as normal.
* The client redirects app stdout and stderr to its own stdout and
* stderr and waits for the AM process to exit. Then it waits for the RM to
* report app completion.
*/