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YarnClient example for deleteing user applications
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import java.io.IOException; | |
import java.util.ArrayList; | |
import java.util.List; | |
import org.apache.hadoop.yarn.api.records.ApplicationId; | |
import org.apache.hadoop.yarn.api.records.ApplicationReport; | |
import org.apache.hadoop.yarn.api.records.YarnApplicationState; | |
import org.apache.hadoop.yarn.client.api.YarnClient; | |
import org.apache.hadoop.yarn.conf.YarnConfiguration; | |
import org.apache.hadoop.yarn.exceptions.YarnException; | |
public class YarnClientTest { | |
public static void main(String[] args) throws YarnException, IOException { | |
if (args.length != 2) { | |
System.err.println("Expecting 2 arguments"); | |
System.exit(1); | |
} | |
String type = args[0]; | |
String app_id = null; | |
String user_id = null; | |
List<ApplicationId> user_applications = new ArrayList<ApplicationId>(); | |
YarnApplicationState running_app = YarnApplicationState.RUNNING; | |
YarnConfiguration conf = new YarnConfiguration(); | |
YarnClient c = YarnClient.createYarnClient(); | |
c.init(conf); | |
c.start(); | |
if (type.equalsIgnoreCase("app_id")) { | |
app_id = args[1]; | |
for (ApplicationReport application: c.getApplications()) { | |
if (application.getApplicationId().equals(app_id) && application.getYarnApplicationState().equals(running_app)) | |
c.killApplication(application.getApplicationId()); | |
} | |
} else if (type.equalsIgnoreCase("user_id")) { | |
user_id = args[1]; | |
for (ApplicationReport application: c.getApplications()) { | |
if (application.getUser().equals(user_id)) | |
user_applications.add(application.getApplicationId()); | |
if (!user_applications.isEmpty()) { | |
for (ApplicationId application_id: user_applications) { | |
if (application.getYarnApplicationState().equals(running_app)) | |
c.killApplication(application_id); | |
} | |
} else { | |
System.out.println("The user_id " + user_id + " does not have any applications associated"); | |
} | |
} | |
} else { | |
System.err.println("Expecting either 'app_id' or 'user_id' as parameter 1"); | |
System.exit(1); | |
} | |
} | |
} |
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@iSultan
Any approaches did you find for the above scenario? I got stuck up in the same step in yarn-client api YarnClient.getApplications() method?