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From Young Han <young....@uwaterloo.ca>
Subject Re: where is the log files
Date Tue, 12 May 2015 16:27:26 GMT
Oops, the job names have year, month, day and also hour, minute. So
something like job_201505121130_0001.

Young

On Tue, May 12, 2015 at 12:24 PM, Young Han <young.han@uwaterloo.ca> wrote:

> Suppose you've created HDFS in ~/. Then the log files are in
> ~/hadoop_data/hadoop_local-YOURUSER/userlogs/job_yyyymmdd_xxxx/attempt_yyyymmdd_xxxx_*/log-file
> where:
>
> - yyyymmdd is the date you started Hadoop
> - xxxx is the job number
> - attempt_* will be different for different workers
> - log-file can be stderr, stdout, or syslog
>
> Typically you want to look at syslog for anything printed using log4j.
> Metrics, if enabled, will show up in stderr.
>
> If you're running distributed, each machine will log things to their local
> disk. You can also get to the logs by going to (assuming your Hadoop files
> are in ~/) ~/hadoop-x.y.z/logs/userlogs: the folders in here contain
> symlinks to the directories above.
>
> Young
>
>
>
> On Tue, May 12, 2015 at 11:26 AM, Cheng Wang <superwangcheng@gmail.com>
> wrote:
>
>> Hello,
>>
>> I am sure if it is good to ask here.. I am new to Giraph.
>> I found that in the example codes provided by Giraph package, there are
>> many outputs are stored into log4j files... e.g.
>> SimplePageRankComputation.java.
>>
>> I am wondering where are the log files stored in the log4j?
>>
>>
>> Thanks
>> Cheng
>>
>
>

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