[ 
https://issues.apache.org/jira/browse/YARN-10313?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Youquan Lin updated YARN-10313:
-------------------------------
    Description: 
We used azkaban to submit many yarn jobs, and the /tmp directory will have many 
hadoop-unjar directories. Sometimes the hadoop-unjar directory on the azkaban 
machine takes up a lot of space, but we do not know which process generated 
this directory. In order to solve this problem, we add the hadoop process id to 
the suffix of the hadoop-unjar directory.

 
 - hadoop process id

 
{code:java}
10554 org.apache.hadoop.util.RunJar{code}
 
 - hadoop-unjar directory name

 
{code:java}
hadoop-unjar8020753511094521686-10554
{code}

  was:
We used azkaban to submit many yarn jobs, and the /tmp directory will have many 
hadoop-unjar directories. Sometimes the hadoop-unjar directory on the azkaban 
machine takes up a lot of space, but we do not know which process generated 
this directory. In order to solve this problem, we add the hadoop process id to 
the suffix of the hadoop-unjar directory.

 

- hadoop process id

```
10554 org.apache.hadoop.util.RunJar

```

- hadoop-unjar directory name

```
hadoop-unjar8020753511094521686-10554

```


> Add hadoop process id to the suffix of hadoop-unjar directory
> -------------------------------------------------------------
>
>                 Key: YARN-10313
>                 URL: https://issues.apache.org/jira/browse/YARN-10313
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: client
>    Affects Versions: 3.1.3
>            Reporter: Youquan Lin
>            Assignee: Youquan Lin
>            Priority: Major
>
> We used azkaban to submit many yarn jobs, and the /tmp directory will have 
> many hadoop-unjar directories. Sometimes the hadoop-unjar directory on the 
> azkaban machine takes up a lot of space, but we do not know which process 
> generated this directory. In order to solve this problem, we add the hadoop 
> process id to the suffix of the hadoop-unjar directory.
>  
>  - hadoop process id
>  
> {code:java}
> 10554 org.apache.hadoop.util.RunJar{code}
>  
>  - hadoop-unjar directory name
>  
> {code:java}
> hadoop-unjar8020753511094521686-10554
> {code}



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