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https://issues.apache.org/jira/browse/TEZ-2708?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14708812#comment-14708812
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Jeff Zhang commented on TEZ-2708:
---------------------------------

[~sseth] Not sure how you generate the patch, after I apply the patch,  see the 
following compilation error, seems the rename don't take effect. 
{noformat}
/Users/jzhang/github/tez/tez-api/src/main/java/org/apache/tez/common/ContainerSignatureMatcher.java:[28,8]
 class ExecutorSignatureMatcher is public, should be declared in a file named 
ExecutorSignatureMatcher.java
[ERROR] 
/Users/jzhang/github/tez/tez-dag/src/main/java/org/apache/tez/dag/app/TaskAttemptListenerImpTezDag.java:[72,8]
 class TaskCommunicatorManager is public, should be declared in a file named 
TaskCommunicatorManager.java
[ERROR] 
/Users/jzhang/github/tez/tez-dag/src/main/java/org/apache/tez/dag/app/rm/container/ContainerContextMatcher.java:[31,8]
 class ExecutorContextMatcher is public, should be declared in a file named 
ExecutorContextMatcher.java
[ERROR] 
/Users/jzhang/github/tez/tez-dag/src/main/java/org/apache/tez/dag/app/launcher/ContainerLauncherImpl.java:[67,8]
 class TezContainerLauncherImpl is public, should be declared in a file named 
TezContainerLauncherImpl.java
[ERROR] 
/Users/jzhang/github/tez/tez-dag/src/main/java/org/apache/tez/dag/app/rm/TaskSchedulerEventHandler.java:[92,8]
 class TaskSchedulerManager is public, should be declared in a file named 
TaskSchedulerManager.java
{noformat}

* Do you intend to expose the concept Executor to replace Container ( Yarn 
Container would be just one kind of Executor ) ?
I see both Executor (ExecutorSignaureMatcher) and Container (ContainerLauncher 
etc) related classes in tez-api, might be confusing to users. 
* DAGAppMaster#createContainerSignatureMatcher -> 
DAGAppMaster#createExecutorSignatureMatcher
* ExecutorContextMatcher -> YarnExecutorSignatureMatcher  (Will there be 
ExecutorSignatureMatcherManager too in the future ? )
* TaskSchedulerContext#getContainerSignatureMatcher --> 
TaskSchedulerContext#getExecutorSignatureMatcher 
* ContainerLauncherRouter --> ContainerLauncherManager ?

> renames for tez-2003 changes
> ----------------------------
>
>                 Key: TEZ-2708
>                 URL: https://issues.apache.org/jira/browse/TEZ-2708
>             Project: Apache Tez
>          Issue Type: Sub-task
>    Affects Versions: TEZ-2003
>            Reporter: Siddharth Seth
>            Assignee: Siddharth Seth
>         Attachments: TEZ-2708.1.txt, TEZ-2708.2.txt
>
>
> This jira is to track some class renames which are required. TBD just before 
> merging or right after the merge.
> -  ContainerLauncherImpl to TezContainerLauncherImpl ? Make all the default 
> implementation with prefix Tez.
> - TaskAttemptListenerImpTezDag to TaskCommunicatorManager
> - Likewise for tests.
> - Remove TezTaskRunner
> - Rename TaskSchedulerEventHandler



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