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courses:mapreduce-tutorial:managing-a-hadoop-cluster [2012/02/05 19:56]
straka 		courses:mapreduce-tutorial:managing-a-hadoop-cluster [2012/02/05 19:59]
straka
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   * when the ''HadoopCluster.c$SGE_JOBID'' file is deleted   * when the ''HadoopCluster.c$SGE_JOBID'' file is deleted
   * using ''qdel''.   * using ''qdel''.
 +
 +===== Web interface =====
 +
 +The web interface provides a lot of useful information:
 +  * running, failed and successfully completed jobs
 +  * for running job, current progress and counters of the whole job and also of each mapper and reducer is available
 +  * for any job, the counters and outputs of all mappers and reducers
 +  * for any job, all Hadoop settings
  
 ===== Killing running jobs ===== ===== Killing running jobs =====
  
-Jobs running +Jobs running in a cluster can be stopped using 
 +<code>/SGE/HADOOP/active/bin/hadoop -jt jobtracker:port -kill hadoop-job-id</code> 
 + 
 +The jobs running on a cluster are present in the web interface, or can be printed using 
 +<code>/SGE/HADOOP/active/bin/hadoop -jt jobtracker:port -list</code> 

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