MR Job运行数据：

MR Job运行数据：

[1] job conf:

位置在HDFS,可以从 Job History server URL 访问地址获得

http://history_server_hostname/jobhistory/conf/job_1544195244013_3852

Copy the file from hdfs: hdfs dfs -copyToLocal HDFS_URL

[2] job counters file:

mapred job -history all job_1544195244013_3852 -outfile JOBID_jhist.txt

[3] job log:

yarn logs -applicationId application_1544195244013_3852 -appOwner <userowner> > application_1544195244013_3852.log