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		05-27-2022
	
		
		12:02 AM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
	
		1 Kudo
		
	
				
		
	
		
					
							 @novice_tester       This is the answer  Hue query location  
						
					
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		05-26-2022
	
		
		11:58 PM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
				
		
	
		
					
							 @Nifi_Noob   Followed this link for creation is not a usable link. Can you update.  Geoffrey 
						
					
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		05-26-2022
	
		
		12:40 AM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
				
		
	
		
					
							 @Love_Cat   Can you share the steps before you invoke Ambari?  Did you install the agent and edit the below portion of the ambari-agent.ini?  [server]
hostname=<Current_Ambari_host>
url_port=8440
secured_url_port=8441
connect_retry_delay=10
max_reconnect_retry_delay=30     And restarted the agent  thereafter  this should show in the ambari UI in the  Add host Wizard assuming  you generated and copied the SSH Private key  with the correct permissions      Please share your steps so we could help  you resolve           
						
					
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		05-26-2022
	
		
		12:27 AM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
				
		
	
		
					
							 @akhan001   For Question 1: see S3 with ranger        
						
					
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		05-26-2022
	
		
		12:07 AM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
				
		
	
		
					
							 @George-Megre   The Master nodes firstly are not meant for launching tasks or interaction.   Edge or gateway nodes are used to run client applications and cluster administration tools. Setup of Edge/gateway node is similar to any Hadoop node except no Hadoop cluster services runs on the GW/Edge nodes they are mere entry points and connection gateway to the Master Components like HDFS (NN) HBASE etc provide you have installed the client libraries.     In your case, I am sure you have the Hbase client/gateway roles on the 3 nodes and not on the master noded. The HBase client role gives the connectivity to Hbase but again I don't see why you would like to connect /initiate the HBase shell from the master node?    Geoffrey 
						
					
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		05-25-2022
	
		
		11:28 PM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
				
		
	
		
					
							 @TonyQiu   Sorry been away for a while.  Creating a table in a kerberized cluster should be possible as hbase. I just tried it out see the flow below.. I didn't need to specifically kinit as the user hbase had a valid Kerberos ticket  Switch to hbase user  [root@malindi keytabs]# su - hbase
Last login: Wed May 25 21:51:56 CEST 2022  Check if kerberos ticket is valid  [hbase@malindi ~]$ klist
Ticket cache: FILE:/tmp/krb5cc_1016
Default principal: hbase-jair@KENYA.KE
Valid starting Expires Service principal
05/25/2022 21:51:57 05/26/2022 21:51:57 krbtgt/KENYA.KE@KENYA.KE  Connect to hbase shell as hbase  [hbase@malindi ~]$ hbase-shell  List existing tables  hbase(main):006:0> list
TABLE
ATLAS_ENTITY_AUDIT_EVENTS
atlas_titan
2 row(s) in 0.6660 seconds
=> ["ATLAS_ENTITY_AUDIT_EVENTS", "atlas_titan"]  Create table emp  hbase(main):007:0> create 'emp', 'personal data', 'professional data'
0 row(s) in 4.9500 seconds
=> Hbase::Table - emp  List tables validate emp was created  hbase(main):009:0> list
TABLE
ATLAS_ENTITY_AUDIT_EVENTS
atlas_titan
emp
3 row(s) in 0.0130 seconds
=> ["ATLAS_ENTITY_AUDIT_EVENTS", "atlas_titan", "emp"]  Describe table emp  hbase(main):010:0> describe 'emp'
Table emp is ENABLED
emp
COLUMN FAMILIES DESCRIPTION
{NAME => 'personal data', BLOOMFILTER => 'ROW', VERSIONS => '1', IN_MEMORY => 'false', KEEP_DELETED_CELLS => 'FALSE', DATA_BLOCK_ENCODING => 'NONE', TTL => 'FOREVER', COMPRESSION => 'NONE', MIN_VERSIONS
=> '0', BLOCKCACHE => 'true', BLOCKSIZE => '65536', REPLICATION_SCOPE => '0'}
{NAME => 'professional data', BLOOMFILTER => 'ROW', VERSIONS => '1', IN_MEMORY => 'false', KEEP_DELETED_CELLS => 'FALSE', DATA_BLOCK_ENCODING => 'NONE', TTL => 'FOREVER', COMPRESSION => 'NONE', MIN_VERS
IONS => '0', BLOCKCACHE => 'true', BLOCKSIZE => '65536', REPLICATION_SCOPE => '0'}
2 row(s) in 0.8770 seconds  Update table  hbase(main):011:0> alter 'emp', {NAME => 'metrics', BLOCKSIZE => '16384', COMPRESSION => 'SNAPPY'}
Updating all regions with the new schema...
0/1 regions updated.
1/1 regions updated.
Done.
0 row(s) in 4.9660 seconds  Can you share your snippet?    
						
					
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		03-30-2022
	
		
		12:53 PM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
				
		
	
		
					
							 @iamfromsky   True let me check on that and revert on the config.  Can you share your integration steps or document? 
						
					
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		03-30-2022
	
		
		11:38 AM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
				
		
	
		
					
							 @iamfromsky   The path you are mentioning has permissions issues. As the root user can you     # chmod 777 /run/cloudera-scm-agent/process/9392-yarn-NODEMANAGER/creds.localjceks  Then retry if that's successful then fine-tune the permissions .  Hope that helps 
						
					
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		01-16-2022
	
		
		09:53 AM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
				
		
	
		
					
							 @Koffi   This is typical of a rogue process hasn't reslease the  Caused by: java.net.BindException: Address already in use  You will need to run   # kill -9 5356  The restart the NN that should resolve the issue  
						
					
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		12-19-2021
	
		
		08:51 AM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
				
		
	
		
					
							 @Koffi   Any updates on the commands ? 
						
					
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