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Junping Du commented on MAPREDUCE-6052:
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bq. That or "hey this is my log4j configuration file on the local-disk, go add it to dist-cache
and use it for all my tasks".
If so, user can add "-files log4j.properties" as generic option which can distribute local
file to all target hosts. Right?
> Support overriding log4j.properties per job
> -------------------------------------------
>
> Key: MAPREDUCE-6052
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6052
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Affects Versions: 2.5.0
> Reporter: Junping Du
> Assignee: Junping Du
> Attachments: MAPREDUCE-6052-v2.patch, MAPREDUCE-6052.patch
>
>
> For current MR application, the "log4j.configuration" is hard coded to container-log4j.properties
within each node. We still need flexibility to override it per job like what we do in MRV1.
> {code}
> public static void addLog4jSystemProperties(
> String logLevel, long logSize, int numBackups, List<String> vargs) {
> vargs.add("-Dlog4j.configuration=container-log4j.properties");
> {code}
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