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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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