[英]Hive: How to get name of cluster
我想获取正在运行hive的群集的名称。 通常我要做的是
[user@someVM ~]$ hive -H
*Attached to the someCluster Hadoop cluster*
usage: hive
-d,--define <key=value> Variable subsitution to apply to hive
commands. e.g. -d A=B or --define A=B
--database <databasename> Specify the database to use
-e <quoted-query-string> SQL from command line
-f <filename> SQL from files
-h <hostname> connecting to Hive Server on remote host
-H,--help Print help information
--hiveconf <property=value> Use value for given property
--hivevar <key=value> Variable subsitution to apply to hive
commands. e.g. --hivevar A=B
-i <filename> Initialization SQL file
-p <port> connecting to Hive Server on port number
-S,--silent Silent mode in interactive shell
-v,--verbose Verbose mode (echo executed SQL to the
console)
所以在这里我可以轻松地*Attached to the someCluster Hadoop cluster*
并确定我所在的集群。 接下来,我尝试了
[user@someVM ~]$ hive -H > out.txt
但这是捕获的
[user@someVM ~]$ hive -H > out.txt
[user@someVM ~]$ cat out.txt
usage: hive
-d,--define <key=value> Variable subsitution to apply to hive
commands. e.g. -d A=B or --define A=B
--database <databasename> Specify the database to use
-e <quoted-query-string> SQL from command line
-f <filename> SQL from files
-h <hostname> connecting to Hive Server on remote host
-H,--help Print help information
--hiveconf <property=value> Use value for given property
--hivevar <key=value> Variable subsitution to apply to hive
commands. e.g. --hivevar A=B
-i <filename> Initialization SQL file
-p <port> connecting to Hive Server on port number
-S,--silent Silent mode in interactive shell
-v,--verbose Verbose mode (echo executed SQL to the
console)
请注意, *Attached to the someCluster Hadoop cluster*
并未发送到out.txt文件
我如何捕获*Attached to the someCluster Hadoop cluster*
?
所以这就是我做到的
hive -H 2>&1 | tee out.txt
然后, cat out.txt
给了我
*Attached to the someCluster Hadoop cluster*
usage: hive
-d,--define <key=value> Variable subsitution to apply to hive
commands. e.g. -d A=B or --define A=B
--database <databasename> Specify the database to use
-e <quoted-query-string> SQL from command line
-f <filename> SQL from files
-h <hostname> connecting to Hive Server on remote host
-H,--help Print help information
--hiveconf <property=value> Use value for given property
--hivevar <key=value> Variable subsitution to apply to hive
commands. e.g. --hivevar A=B
-i <filename> Initialization SQL file
-p <port> connecting to Hive Server on port number
-S,--silent Silent mode in interactive shell
-v,--verbose Verbose mode (echo executed SQL to the
console)
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