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From "Ravi Phulari (JIRA)" <j...@apache.org>
Subject [jira] Created: (HDFS-692) Add simulated data node cluster start/stop commands in hadoop-dameon.sh .
Date Sat, 10 Oct 2009 00:22:31 GMT
Add simulated data node cluster start/stop commands in hadoop-dameon.sh .
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                 Key: HDFS-692
                 URL: https://issues.apache.org/jira/browse/HDFS-692
             Project: Hadoop HDFS
          Issue Type: Improvement
            Reporter: Ravi Phulari


Currently there are no commands supported for starting or stopping simulated data node clusters.

To start simulated data node cluster we need to export extra class paths required for DataNodeCluster.
 
{noformat}

bin/hadoop-daemon.sh start org.apache.hadoop.hdfs.DataNodeCluster  -simulated -n $DATANODE_PER_HOST
-inject $STARTING_BLOCK_ID $BLOCKS_PER_DN  

{noformat}

{noformat}

bin/hadoop-daemon.sh stop org.apache.hadoop.hdfs.DataNodeCluster  -simulated  

{noformat}

For better user interface we should add DataNodeCluster start stop option in hadoop-daemon.sh



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