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From Arun C Murthy <...@hortonworks.com>
Subject Re: Parsing the JobTracker Job Logs
Date Wed, 27 Mar 2013 23:47:46 GMT
Use 'rumen', it's part of Hadoop.

On Mar 19, 2013, at 3:56 AM, Christian Schneider wrote:

> Hi,
> how to parse the log files for our jobs? Are there already classes I can use?
> 
> I need to display some information on a WebInterface (like the native JobTracker does).
> 
> 
> I am talking about this kind of files:
> 
> michaela 11:52:59 /var/log/hadoop-0.20-mapreduce/history/done/michaela.ixcloud.net_1363615430691_/2013/03/19/000000
# cat job_201303181503_0864_1363686587824_christian_wordCountJob_15
> Meta VERSION="1" .
> Job JOBID="job_201303181503_0864" JOBNAME="wordCountJob_15" USER="christian" SUBMIT_TIME="1363686587824"
JOBCONF="hdfs://carolin\.ixcloud\.net:8020/user/christian/\.staging/job_201303181503_0864/job\.xml"
VIEW_JOB="*" MODIFY_JOB="*" JOB_QUEUE="default" .
> Job JOBID="job_201303181503_0864" JOB_PRIORITY="NORMAL" .
> Job JOBID="job_201303181503_0864" LAUNCH_TIME="1363686587923" TOTAL_MAPS="1" TOTAL_REDUCES="1"
JOB_STATUS="PREP" .
> Task TASKID="task_201303181503_0864_m_000002" TASK_TYPE="SETUP" START_TIME="1363686587923"
SPLITS="" .
> MapAttempt TASK_TYPE="SETUP" TASKID="task_201303181503_0864_m_000002" TASK_ATTEMPT_ID="attempt_201303181503_0864_m_000002_0"
START_TIME="1363686594028" TRACKER_NAME="tracker_anna\.ixcloud\.net:localhost/127\.0\.0\.1:34657"
HTTP_PORT="50060" .
> MapAttempt TASK_TYPE="SETUP" TASKID="task_201303181503_0864_m_000002" TASK_ATTEMPT_ID="attempt_201303181503_0864_m_000002_0"
TASK_STATUS="SUCCESS" FINISH_TIME="1363686595929" HOSTNAME="/default/anna\.ixcloud\.net" STATE_STRING="setup"
COUNTERS="{(org\.apache\.hadoop\.mapreduce\.FileSystemCounter)(File System Counters)[(FILE_BYTES_READ)(FILE:
Number of bytes read)(0)][(FILE_BYTES_WRITTEN)(FILE: Number of bytes written)(152299)][(FILE_READ_OPS)(FILE:
Number of read operations)(0)][(FILE_LARGE_READ_OPS)(FILE: Number of large read operations)(0)][(FILE_WRITE_OPS)(FILE:
Number of write operations)(0)][(HDFS_BYTES_READ)(HDFS: Number of bytes read)(0)][(HDFS_BYTES_WRITTEN)(HDFS:
Number of bytes written)(0)][(HDFS_READ_OPS)(HDFS: Number of read operations)(0)][(HDFS_LARGE_READ_OPS)(HDFS:
Number of large read operations)(0)][(HDFS_WRITE_OPS)(HDFS: Number of write operations)(1)]}{(org\.apache\.hadoop\.mapreduce\.TaskCounter)(Map-Reduce
Framework)[(SPILLED_RECORDS)(Spilled Records)(0)][(CPU_MILLISECONDS)(CPU time spent \\(ms\\))(80)][(PHYSICAL_MEMORY_BYTES)(Physical
memory \\(bytes\\) snapshot)(91693056)][(VIRTUAL_MEMORY_BYTES)(Virtual memory \\(bytes\\)
snapshot)(575086592)][(COMMITTED_HEAP_BYTES)(Total committed heap usage \\(bytes\\))(62324736)]}nullnullnullnullnullnullnullnullnullnullnullnullnull"

> 
> ...
> 
> 
> Best Regards,
> Christian.

--
Arun C. Murthy
Hortonworks Inc.
http://hortonworks.com/



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