23. HBase
23.1. Apache HBase Version Support
The driver models HBase data as a read/write, relational database. The driver can connect to HBase REST Server 0.0.3, available in HBase version 0.98 and above.
 
23.2. Connection Options
23.2.1. Authentication
Property
Description
AuthScheme
The scheme used for authentication. Accepted entries are None, Basic, and Negotiate (Kerberos). None is the default.
Server
The host name or IP address of the Apache HBase REST server.
Port
The port for the Apache HBase REST server.
User
The user who is authenticating to Apache HBase.
Password
The password used to authenticate to Apache HBase.
23.2.2. Kerberos
Property
Description
KerberosKDC
The Kerberos Key Distribution Center (KDC) service used to authenticate the user.
KerberosRealm
The Kerberos Realm used to authenticate the user with.
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.
23.2.3. SSL
Property
Description
SSLClientCert
The TLS/SSL client certificate store for SSL Client Authentication (2-way SSL).
SSLClientCertType
The type of key store containing the TLS/SSL client certificate.
SSLClientCertPassword
The password for the TLS/SSL client certificate.
SSLClientCertSubject
The subject of the TLS/SSL client certificate.
SSLServerCert
The certificate to be accepted from the server when connecting using TLS/SSL.
23.2.4. Firewall
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.
23.2.5. Proxy
Property
Description
ProxyAutoDetect
This indicates whether to use the system proxy settings or not. This takes precedence over other proxy settings, so you'll need to set ProxyAutoDetect to FALSE in order use custom proxy settings.
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 .
23.2.6. Logging
Property
Description
Logfile
A filepath which designates the name and location of the log file.
Verbosity
The verbosity level that determines the amount of detail included in the log file.
LogModules
Core modules to be included in the log file.
MaxLogFileSize
A string specifying the maximum size in bytes for a log file (for example, 10 MB).
MaxLogFileCount
A string specifying the maximum file count of log files.
23.2.7. Schema
Property
Description
Location
A path to the directory that contains the schema files defining tables, views, and stored procedures.
BrowsableSchemas
This property restricts the schemas reported to a subset of the available schemas. For example, BrowsableSchemas=SchemaA,SchemaB,SchemaC.
Tables
This property restricts the tables reported to a subset of the available tables. For example, Tables=TableA,TableB,TableC.
Views
Restricts the views reported to a subset of the available tables. For example, Views=ViewA,ViewB,ViewC.
23.2.8. Caching
Property
Description
AutoCache
Automatically caches the results of SELECT queries into a cache database specified by either CacheLocation or both of CacheConnection and CacheProvider .
CacheDriver
The database driver to be used to cache data.
CacheConnection
The connection string for the cache database. This property is always used in conjunction with CacheProvider . Setting both properties will override the value set for CacheLocation for caching data.
CacheLocation
Specifies the path to the cache when caching to a file.
CacheTolerance
The tolerance for stale data in the cache specified in seconds when using AutoCache .
Offline
Use offline mode to get the data from the cache instead of the live source.
CacheMetadata
This property determines whether or not to cache the table metadata to a file store.
23.2.9. Miscellaneous
Property
Description
BatchSize
The maximum size of each batch operation to submit.
ColumnEncoding
The Encoding used for the column values. Accepted entries are None, UTF8, and BASE64. None is the default.
ConnectionLifeTime
The maximum lifetime of a connection in seconds. Once the time has elapsed, the connection object is disposed.
ConnectOnOpen
This property species whether to connect to the Apache HBase when the connection is opened.
DatetimeFormat
The format used when inserting datetime values into the database.
IncludeDisabledTables
Specifies whether to retrieve the disabled table.
MaxRows
Limits the number of rows returned rows when no aggregation or group by is used in the query. This helps avoid performance issues at design time.
Other
These hidden properties are used only in specific use cases.
Pagesize
The maximum number of results to return per page from Apache HBase.
PoolIdleTimeout
The allowed idle time for a connection before it is closed.
PoolMaxSize
The maximum connections in the pool.
PoolMinSize
The minimum number of connections in the pool.
PoolWaitTime
The max seconds to wait for an available connection.
PseudoColumns
This property indicates whether or not to include pseudo columns as columns to the table.
Readonly
You can use this property to enforce read-only access to Apache HBase from the provider.
ResetTableMetadataOnDelete
Specifies whether to reset the catch table after executing the Delete Statement.
RetrieveSelectedColumnsOnly
Specifies whether to retrieve selected columns only when executing a SELECT statement.
RowScanDepth
The maximum number of rows to scan to look for the columns available in a table.
RTK
The runtime key used for licensing.
SupportEnhancedSQL
This property enhances SQL functionality beyond what can be supported through the API directly, by enabling in-memory client-side processing.
Timeout
The value in seconds until the timeout error is thrown, canceling the operation.
TypeDetectionScheme
Determines how to determine the data type of columns.
UseConnectionPooling
This property enables connection pooling.
UseSQLFiltering
Specifies whether to use the ScannerFilter when executing the Select Statement.