Member since 
    
	
		
		
		08-16-2016
	
	
	
	
	
	
	
	
	
	
	
	
	
	
			
      
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                9
            
            
                Solutions
            
        My Accepted Solutions
| Title | Views | Posted | 
|---|---|---|
| 1515 | 02-11-2019 05:40 PM | |
| 6166 | 05-15-2017 03:07 PM | |
| 7522 | 01-26-2017 02:05 PM | |
| 22887 | 01-20-2017 03:17 PM | |
| 7657 | 01-20-2017 03:12 PM | 
			
    
	
		
		
		02-11-2019
	
		
		05:40 PM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
	
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							 So the issue is that the environment you created is not a secure environment.  You will need to create a new environment which is secure. It is a checkbox during environment creation. 
						
					
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		10-27-2017
	
		
		09:50 AM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
				
		
	
		
					
							 The code is available here[1].  The csds are by default preinstalled in CM though.     [1]: https://github.com/cloudera/cm_csds 
						
					
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		05-25-2017
	
		
		12:50 PM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
	
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							 From the looks of it, the file permissions on the file : /opt/cloudera/security/CAcerts/cmhost-keystore.jks is incorrect.     The process usually runs as cloudera-scm user. So check the permissions on that file. 
						
					
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		05-15-2017
	
		
		03:07 PM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
				
		
	
		
					
							 Couple of things to note here:  1. You need to copy the csd to the /opt/cloudera/csd directory.  This is what you want : http://archive.cloudera.com/spark2/csd/SPARK2_ON_YARN-2.1.0.cloudera1.jar  2. The parcel need not be downloaded. It should work after you make this change.     Let me know if you have any troubles. 
						
					
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		01-31-2017
	
		
		02:05 PM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
	
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							CDH5.10.0 released with Apache Impala 2.7.0 http://www.cloudera.com/documentation/enterprise/release-notes/topics/cdh_vd_cdh_package_tarball_510.html#tarball_510x  The same is here : http://archive.cloudera.com/cdh5/redhat/6/x86_64/cdh/5.10.0/RPMS/x86_64/  
						
					
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		01-26-2017
	
		
		03:35 PM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
				
		
	
		
					
							If a node dies, it will be difficult to track which one died and which ones are running.  If you have installed it completely outside of CM and are using an external Management tool, then you might have to deal with how other services interact with each other .    Hope this helps.
						
					
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		01-26-2017
	
		
		02:05 PM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
	
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							 If you are using Cloudera Manager, you can use the API present to do that.  The end point you will like to use will be : /cm/service/roleCommands/restart  I would not recommend to do restart outside of the CM cause the management will be difficult.        Doc Link : https://cloudera.github.io/cm_api/apidocs/v12/ 
						
					
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		01-20-2017
	
		
		03:22 PM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
	
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							 reference document states that Only stateless roles can be used with Spot instances can somebody explain this (sorry if this is a lame question)     A stateless role is something which as the name suggests doesnt hold any state. i.e. there is no data on it and mostly works as a compute node.  One of the reasons why it is recommended only to use stateless roles on SPOT instances is that the SPOT instances can go away at anytime. The data on it is also lost. If you have data on it, then you will have some dataloss and that is not an ideal situation. However, if a stateless role is lost, you can create a new one in its place and the system will continue running as long as there is minimum servers present.     Regarding the 1st question, I am not sure since I dont work directly with director. Hope atleast one question is resolved.  
						
					
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		01-20-2017
	
		
		03:17 PM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
	
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							 Cloudera Manager provides you with basic management of your cluster.  It helps in starting and stopping the services and carries out other activities.  If you are interested in running Hadoop without Cloudera Manager, you can use the vanilla CDH distribution present here : https://github.com/cloudera. The startup of the processes is a bit painful and you will need to follow the docs from apache to start the same.     Hope this helps. 
						
					
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		01-20-2017
	
		
		03:12 PM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
				
		
	
		
					
							This will help you : http://www.cloudera.com/downloads/quickstart_vms/5-8.html  The CDH5 version uses only 4GB. But if you want to run heavy workloads, you will need to more RAM.
						
					
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