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		05-12-2016
	
		
		04:29 AM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
				
		
	
		
					
							 ok I found two hiveserver log files , one as hiveserver2.log and one as hive-server2.log , I will upload both 
						
					
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		05-12-2016
	
		
		01:04 AM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
				
		
	
		
					
							 don't I have to kill the hive session first and then run it in background as  :  nohup   ($HIVE_HOME/bin/hive --hiveconf hive.root.logger=DEBUG,DRFA  & how can I find out what is $HIVE_HOME ?  
						
					
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		05-12-2016
	
		
		01:01 AM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
				
		
	
		
					
							 sorry iam just learning hadoop so please tell me where I can find this hiveserver2.log file ?   also whats RM and how can I check if the job  has launced,  I use hortonworks and I don't see anywhere on the dashboard such info.   
						
					
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		05-11-2016
	
		
		07:40 PM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
				
		
	
		
					
							 also HIVE command is hanging ...     [hdfs@ip-172-31-8-77 ~]$ hive
WARNING: Use "yarn jar" to launch YARN applications.  Logging initialized using configuration in file:/etc/hive/2.4.2.0-258/0/hive-log4j.properties 
						
					
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		05-11-2016
	
		
		06:39 PM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
				
		
	
		
					
							 btw I have started the resourcemanager on the masternode and the nodemanager on each slavenodes. 
						
					
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		05-11-2016
	
		
		05:42 PM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
				
		
	
		
					
							 Iam using  HDC2.4 with ambari 2.2.1  ,  If I insert a record into a table it just hangs , how can I debug ?  "0: jdbc:hive2://MasterNode:10000> INSERT INTO customers (id, firstname, lastname) VALUES (1, 'John', 'Smith');
INFO  : Tez session hasn't been created yet. Opening session   " 
						
					
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			Apache Hive
			
    
	
		
		
		05-05-2016
	
		
		03:02 PM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
				
		
	
		
					
							 I can see the table definitions so it must be able to make database connection ,but insert hangs    0: jdbc:hive2://SecondaryMaster:10000> show tables;
+------------+--+
|  tab_name  |
+------------+--+
| customers  |
| person  |
+------------+--+
2 rows selected (0.063 seconds)
0: jdbc:hive2://SecondaryMaster:10000> describe person;
+------------+------------+----------+--+
|  col_name  | data_type  | comment  |
+------------+------------+----------+--+
| id  | int  |  |
| firstname  | string  |  |
| lastname  | string  |  |
+------------+------------+----------+--+
3 rows selected (0.091 seconds)
0: jdbc:hive2://SecondaryMaster:10000> INSERT INTO person (id, firstname, lastname) VALUES (1, 'John', 'Smith');
INFO  : Tez session hasn't been created yet. Opening session 
						
					
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		05-05-2016
	
		
		02:45 PM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
				
		
	
		
					
							 I need help  , HIVE still not working , INSERT command just hangs    [root@ip-172-31-11-180 ~]# su - hive
[hive@ip-172-31-11-180 ~]$ id
uid=501(hive) gid=502(hadoop) groups=502(hadoop) context=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023
[hive@ip-172-31-11-180 ~]$ beeline
WARNING: Use "yarn jar" to launch YARN applications.
Beeline version 1.2.1.2.3.4.0-3485 by Apache Hive
beeline> !connect jdbc:hive2://SecondaryMaster:10000
Connecting to jdbc:hive2://SecondaryMaster:10000
Enter username for jdbc:hive2://SecondaryMaster:10000: hadoop
Enter password for jdbc:hive2://SecondaryMaster:10000: ******
Connected to: Apache Hive (version 1.2.1.2.3.4.0-3485)
Driver: Hive JDBC (version 1.2.1.2.3.4.0-3485)
Transaction isolation: TRANSACTION_REPEATABLE_READ
0: jdbc:hive2://SecondaryMaster:10000> INSERT INTO person (id, firstname, lastname) VALUES (1, 'John', 'Smith');
INFO  : Tez session hasn't been created yet. Opening session 
						
					
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		05-05-2016
	
		
		02:55 AM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
				
		
	
		
					
							 hadoop user i used in the connect command was a user i created in Ambari ,  does it already get created on  Linux?  i was running hdfs commands under hdfs and hive commands under hive Linux account.   please advise me on how to properly run each application .should i use a common account or indivisual  accounts for each  application? 
						
					
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		05-04-2016
	
		
		09:33 PM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
				
		
	
		
					
							 it has created the HIVE file in the newly created directory so its doing something     [hdfs@ip-172-31-11-180 ~]$ hdfs dfs -ls /user  drwxr-xr-x  - hadoop  hdfs  0 2016-05-04 17:14 /user/hadoop    [hdfs@ip-172-31-11-180 ~]$ hdfs dfs -ls /user/hadoop
Found 1 items
drwxr-xr-x  - hadoop hdfs  0 2016-05-04 17:14 /user/hadoop/.hiveJars 
						
					
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