Connection String Options
The connection string properties are the various options that can be used to establish a connection. This section provides a complete list of the options you can configure in the connection string for this provider. Click the links for further details.
For more information on establishing a connection, see Basic Tab.
Property | Description |
AuthScheme | The scheme used for authentication. Accepted entries are None, and Negotiate (Kerberos). None is the default. |
Host | This property specifies the host of your HDFS installation. |
Port | This property specifies the port of your HDFS installation. |
User | The user name to login to the HDFS server. |
Password | The password used to authenticate to the HDFS server. Only used when Kerberos authentication is selected. |
AccessToken | The HDFS Access Token. |
UseSSL | This field sets whether SSL is enabled. |
Property | Description |
Path | This property specifies the HDFS path which will be used as the working directory. |
DirectoryRetrievalDepth | Limit the subfolders recursively scanned. |
Property | Description |
KerberosKDC | The Kerberos Key Distribution Center (KDC) service used to authenticate the user. |
KerberosRealm | The Kerberos Realm used to authenticate the user. |
KerberosSPN | The service principal name (SPN) for the Kerberos Domain Controller. |
KerberosKeytabFile | The Keytab file containing your pairs of Kerberos principals and encrypted keys. |
KerberosServiceRealm | The Kerberos realm of the service. |
KerberosServiceKDC | The Kerberos KDC of the service. |
KerberosTicketCache | The full file path to an MIT Kerberos credential cache file. |
Property | Description |
SSLServerCert | The certificate to be accepted from the server when connecting using TLS/SSL. |
Property | Description |
FirewallType | The protocol used by a proxy-based firewall. |
FirewallServer | The name or IP address of a proxy-based firewall. |
FirewallPort | The TCP port for a proxy-based firewall. |
FirewallUser | The user name to use to authenticate with a proxy-based firewall. |
FirewallPassword | A password used to authenticate to a proxy-based firewall. |
Property | Description |
ProxyAutoDetect | This indicates whether to use the system proxy settings or not. |
ProxyServer | The hostname or IP address of a proxy to route HTTP traffic through. |
ProxyPort | The TCP port the ProxyServer proxy is running on. |
ProxyAuthScheme | The authentication type to use to authenticate to the ProxyServer proxy. |
ProxyUser | A user name to be used to authenticate to the ProxyServer proxy. |
ProxyPassword | A password to be used to authenticate to the ProxyServer proxy. |
ProxySSLType | The SSL type to use when connecting to the ProxyServer proxy. |
ProxyExceptions | A semicolon separated list of destination hostnames or IPs that are exempt from connecting through the ProxyServer . |
Property | Description |
LogModules | Core modules to be included in the log file. |
Property | Description |
Location | A path to the directory that contains the schema files defining tables, views, and stored procedures. |
Property | Description |
MaxRows | Limits the number of rows returned when no aggregation or GROUP BY is used in the query. This takes precedence over LIMIT clauses. |
Other | These hidden properties are used only in specific use cases. |
Timeout | The value in seconds until the timeout error is thrown, canceling the operation. |
UserDefinedViews | A filepath pointing to the JSON configuration file containing your custom views. |