Samza application start and stop

1. To list the running node(yarn-slaves):

```/usr/local/hadoop/bin/yarn node -list -states RUNNING```

2. To list the running samza application(jobs):

```/usr/local/hadoop/bin/yarn application --list | awk '{print $1 " " $2 " " $6 " " $7 " " $9}'```

3. To kill the samza application:

```/usr/local/hadoop/bin/yarn application -kill <application id>

(i.e) /usr/local/hadoop/bin/yarn application -kill application_1533552119356_0040```

4. To start the samza application:

1. Switch to hduser

   ii.  cd samza-jobs/{{env}}/extract/application-name-version-distribution.tar.gz

   iii.  Run the below command by  replacinng the properties file name with specific to samza application(jobs).

   bin/run-job.sh --config-factory=org.apache.samza.config.factories.PropertiesConfigFactory --config-path= config/<properties file name>

   (i.e) Below is the example command to start the telemetry-validator samza application:

   cd samza-jobs/ntpprod/extract/telemetry-validator-<version>-distribution.tar.gz

   bin/run-job.sh --config-factory=org.apache.samza.config.factories.PropertiesConfigFactory --config-path= config/telemetry-validator.properties

5. Log path:

```/usr/local/hadoop/logs/userlogs```

6. To stop and start the nodemanager:<br/>

 switch to hduser,<br/>
/usr/local/hadoop/sbin/yarn-daemon.sh stop nodemanager<br/>
/usr/local/hadoop/sbin/yarn-daemon.sh start nodemanager<br/>

7. To stop and start the resourcemanager:<br/>

switch to hduser,<br/>
/usr/local/hadoop/sbin/yarn-daemon.sh stop resourcemanager<br/>
/usr/local/hadoop/sbin/yarn-daemon.sh start resourcemanager<br/>