Learn about the fields used to create a Hive connection with ThoughtSpot DataFlow.

Here is a list of the fields for a Hive connection in ThoughtSpot DataFlow. You need specific information to establish a seamless and secure connection.

Connection properties

Connection name
Name your connection.
Mandatory field.
Example:
HiveConnection
Connection type
Choose the Hive connection type.
Mandatory field.
Example:
Hive
HiveServer2 HA configured
Specify this option if using HiveServer2 High Availability.
Mandatory field.
HiveServer2 zookeeper namespace
Specify zookeeper namespace as hivesever2. This is the default value.
Mandatory field.
Only when using Hiveserver2 HA.
Example:
hiveserver2
Other notes:
If value is different then, the value can be found from hive-site.xml against the property hive.server2.zookeeper.namespace.
Host
Specify the hostname or the IP address of the Hadoop system
Mandatory field.
Only when not using Hiveserver2 HA.
Example:
[email protected]
Port
Specify the port.
Mandatory field.
Only when not using Hiveserver2 HA.
Example:
1234
Hive security authentication
Specifies the type of security protocol to connect to the instance. Based on the type of security select the authentication type and provide details.
Mandatory field.
Example:
Kerberos
Valid Values:
Simple, Kerberos, LDAP, SSL, Kerberos & SSL, LDAP & SSL
Default:
Simple
Other notes:
The authentication type setup for the instance can be found from hive-site.xml against the property hive.server2.authentication.
User
Specify the user to connect to Hive. This user must have data access privileges.
Mandatory field.
For simple, LDAP, and Simple authentication only.
Example:
userdi
Default:
simple
Password
Specify the password.
Optional field.
For simple, LDAP authentication only.
Example:
pswrd234%!
Trust store
Specify the trust store name for authentication
Mandatory field.
For SSL and Kerberos & SSL authentication only.
Example:
trust store
Default:
SSL
Trust store password
Specify the password for the trust store
Mandatory field.
For SSL and Kerberos & SSL authentication only.
Example:
password
Default:
SSL
Hive transport mode
Applicable only for hive process engine. This specifies the network protocol used for communicating between hive nodes.
Mandatory field.
Example:
binary
Valid Values:
Binary, HTTP
Default:
binary
Other notes:
The Hive transport mode can be identified from hive-site.xml against the property hive.server2.transport.mode.
HTTP path
This is specified as an option when http transport mode is selected
Mandatory field.
For HTTP transport mode only.
Example:
cliservice
Valid Values:
cliservice
Default:
cliservice
Other notes:
The HTTP Path value can be identified from hive-site.xml against the property hive.server2.thrift.http.path.
Hadoop distribution
Provide the distribution of Hadoop being connected to
Mandatory field.
Example:
Hortonworks
Valid Values:
CDH, Hortonworks, EMR
Default:
CDH
Distribution version
Provide the version of the Distribution chosen above
Mandatory field.
Example:
2.6.5
Valid Values:
Any Numeric value
Default:
6.3.x
Hadoop conf path
By default, the system picks the Hadoop configuration files from the HDFS. To override, specify an alternate location. Applies only when using configuration settings that are different from global Hadoop instance settings.
Mandatory field.
Example:
$DI_HOME/app/path
Other notes:
An instance where this could be needed is, if the hdfs is encrypted and the location of key files and password decrypt the files is available in the hadoop config files.
DFS HA configured
Specify if using High Availability for DFS.
Optional field.
For Hadoop Extract only.
Example:
Checked
DFS name service
Specify the logical name of the HDFS nameservice.
Mandatory field.
For DFS HA and Hadoop Extract only.
Example:
lahdfs
Other notes:
It is available in hdfs-site.xml and defined as dfs.nameservices
DFS name node IDs
Specify a comma-separated list of NameNode IDs. System uses this property to determine all NameNodes in the cluster. XML property name is dfs.ha.namenodes.dfs.nameservices.
Mandatory field.
For DFS HA and Hadoop Extract only.
Example:
nn1, nn2
RPC address for namenode1
Specify the fully-qualified RPC address for each listed NameNode. Defined as dfs.namenode.rpc-address.dfs.nameservices.name node ID 1.
Mandatory field.
For DFS HA and Hadoop Extract only.
Example:
lclabh.example.com:5678
RPC address for namenode2
Specify the fully-qualified RPC address for each listed NameNode. Define as dfs.namenode.rpc-address.dfs.nameservices.name node ID 2.
Mandatory field.
For DFS HA and Hadoop Extract only.
Example:
lvclabh.example.com:9876
DFS host
Specify the DFS hostname or the IP address
Mandatory field.
For Hadoop Extract only, when not using DFS HA.
Example:
[email protected]
DFS port
Specify the associated DFS port
Mandatory field.
For Hadoop Extract only, when not using DFS HA.
Example:
1234
Default DFS location
Specify the location for the default source/target location
Mandatory field.
For Hadoop Extract only.
Example:
/tmp
Temp DFS location
Specify the location for creating temp directory
Mandatory field.
For Hadoop Extract only.
Example:
/tmp
DFS security authentication
Select the type of security being enabled
Mandatory field.
For Hadoop Extract only.
Example:
Kerberos
Valid Values:
Simple, Kerberos
Default:
simple
Hadoop RPC protection
Hadoop cluster administrators control the quality of protection using the configuration parameter hadoop.rpc.protection.
Mandatory field.
When using Kerberos DFS security authentication and Hadoop Extract.
Example:
none
Valid Values:
None, authentication, integrity, privacy
Default:
authentication
Other notes:
It is available in core-site.xml.
Hive principal
Principal for authenticating hive services
Mandatory field.
Example:
hive/[email protected]
Other notes:
It is available in hive-site.xml
User principal
To authenticate via a key-tab you must have supporting key-tab file which is generated by Kerberos Admin and also requires the user principal associated with Key-tab ( Configured while enabling Kerberos)
Mandatory field.
Example:
[email protected]
User keytab
To authenticate via a key-tab you must have supporting key-tab file which is generated by Kerberos Admin and also requires the user principal associated with Key-tab ( Configured while enabling Kerberos)
Mandatory field.
Example:
/app/keytabs/labuser.keytab
KDC host
Specify KDC Host Name where as KDC (Kerberos Key Distribution Center) is a service than runs on a domain controller server role (Configured from Kerbores configuration-/etc/krb5.conf )
Mandatory field.
Example:
example.example.com
Default realm
A Kerberos realm is the domain over which a Kerberos authentication server has the authority to authenticate a user, host or service (Configured from Kerbores configuration-/etc/krb5.conf )
Mandatory field.
Example:
labhdp.example.com
Queue name
Specify the queue name followed by a coma separated form in yarn.scheduler.capacity.root.queues.
Mandatory field.
For Hadoop Extract only.
Example:
default
Other notes:
It is available in capacity-scheduler.xml
YARN web UI port
Yarn Providing web UI for yarn RM and by default 8088 in use
Mandatory field.
For Hadoop Extract only.
Example:
8088
Zookeeper quorum host
Specify the value of hadoop.registry.zk.quorum from yarn-site.xml
Mandatory field.
Only when not using Hiveserver2 HA.
Example:
lvclhdp1.example.com:21,lvclabhdp12.example.com:81,lvclabhdp12.example.com:2093
Yarn timeline webapp host
Specify the ip adress of yarn timeline service web application
Mandatory field.
Example:
8188
Yarn timeline webapp port
Specify the port associated with the yarn timeline service web application
Mandatory field.
Example:
8190
Yarn timeline webapp version
Specify the version associated with the yarn timeline service web application
Mandatory field.
Example:
v1
JDBC options
Specify the options associated with the JDBC URL.
Optional field.
Example:
jdbc:sqlserver://[serverName[\instanceName][:portNumber]]

Sync properties

Data extraction mode
Specify the extraction type.
Mandatory field.
Example:
Hadoop Extract
Valid Values:
Hadoop Extract, JDBC
Default:
Hadoop Extract
Null value
Specifies the string literal that should indicate the null value in the extracted data. During the data load the column value matching this string will be loaded as null in the target.
Mandatory field.
For Hadoop Extract only.
Example:
NULL
Valid Values:
NULL
Default:
NULL
Enclosing character
Specify if the text columns in the source data needs to be enclosed in quotes.
Mandatory field.
Example:
DOUBLE
Valid Values:
SINGLE, DOUBLE
Default:
DOUBLE
Escape character
Specify the escape character if using a text qualifier in the source data.
Mandatory field.
Example:
\"
Valid Values:
\\, Any ASCII character
Default:
\"
TS load options
Specifies the parameters passed with the tsload command, in addition to the commands already included by the application. The format for these parameters is:
--<param_1_name> <optional_param_1_value>
--<param_2_name> <optional_param_2_value>
Optional field.
Example:
--max_ignored_rows 0
Valid Values:

--null_value "
--escape_character "
--max_ignored_rows 0
Default:
--max_ignored_rows 0