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From Kyle Lin <kylelin2...@gmail.com>
Subject Re: Cannot see MR logs in Hadoop 2.x
Date Wed, 08 Jan 2014 08:10:01 GMT
As this link(
http://hortonworks.com/blog/simplifying-user-logs-management-and-access-in-yarn/)
said, Hortonworks' HDP change the user-logs rule.



2014/1/8 Kyle Lin <kylelin2000@gmail.com>

>
>     Sorry for my rough asking. Refine my question.
>
>     When using hadoop 1.x, I can see the MR job logs under "userlogs"
> folder in local file system. But I cannot find the MR log in hadoop 2.x
> environment. There is no "userlogs" folder.
>
>     Can anybody tell me where to find the log files?
>
> Kyle
>
>
> 2014/1/8 Kyle Lin <kylelin2000@gmail.com>
>
>> Hey guys
>>
>>     My Environment: HDP 2 (Hadoop 2.2.0).
>>
>>     When using Hadoop 1.x, I write log imformation in my MapReduce code,
>> then see the log message in TaskTracker log. But In YARN, I cannot find the
>> log message in any log files(historyserver, nodemanager, resourcemanager),
>> even using System.out.println.
>>
>>     I also try to see app log through the address of
>> yarn.resourcemanager.webapp.address. Still cannot see my log messages.
>>
>>
>> Kyle
>>
>
>

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