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https://issues.apache.org/jira/browse/HADOOP-6383?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12780785#action_12780785
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Konstantin Boudnik commented on HADOOP-6383:
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I believe the simulated cluster is intended for testing. {{bin/}} has scripts
for a production cluster. Thus, I'd suggest to move these new wrapper scripts
to {{src/test/bin}} instead. Keep in mind that the aforementioned directory is
shared with all subprojects.
> Add simulated data node cluster start/stop commands in hadoop-dameon.sh .
> -------------------------------------------------------------------------
>
> Key: HADOOP-6383
> URL: https://issues.apache.org/jira/browse/HADOOP-6383
> Project: Hadoop Common
> 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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