[jira] [Updated] (SPARK-2668) Add variable of yarn log diectory to reference from the log4j configuration

[Peng Zhang (JIRA)]

     [ 
https://issues.apache.org/jira/browse/SPARK-2668?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Peng Zhang updated SPARK-2668:
------------------------------

    Summary: Add variable of yarn log diectory to reference from the log4j 
configuration  (was: Support log4j log to yarn container log directory)

> Add variable of yarn log diectory to reference from the log4j configuration
> ---------------------------------------------------------------------------
>
>                 Key: SPARK-2668
>                 URL: https://issues.apache.org/jira/browse/SPARK-2668
>             Project: Spark
>          Issue Type: Improvement
>          Components: YARN
>    Affects Versions: 1.0.0
>            Reporter: Peng Zhang
>
> Assign value of yarn container log directory to java opts 
> "spark.yarn.log.dir", So user defined log4j.properties can reference this 
> value and write log to YARN container directory.
> Otherwise, user defined file append will log to CWD, and files will not be 
> displayed on YARN UI，and either cannot be aggregated to HDFS log directory 
> after job finished.
> User defined log4j.properties reference example:
> {code}
> log4j.appender.rolling_file.File = ${spark.yarn.log.dir}/spark.log
> {code}



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