Home | About | Sematext search-lucene.com search-hadoop.com
 Search Hadoop and all its subprojects:

Switch to Plain View
Hadoop, mail # user - Parsing the JobTracker Job Logs


Copy link to this message
-
Parsing the JobTracker Job Logs
Christian Schneider 2013-03-19, 10:56
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.