tCassandraBulkExec properties - 6.1

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Component family

Big Data / Cassandra



tCassandraBulkExec writes data from an SSTable into Cassandra.


As a dedicated component, tCassandraBulkExec allows you to gain in performance while carrying out the Insert operations to a Cassandra column family.

Basic settings

DB Version

Select the Cassandra version you are using.


  • For Cassandra 1.1.2, only local visit on Linux is supported.

  • For Cassandra 1.2.2, make sure that the server and the client run on the same operating system.

  • Cassandra 2.0.0 only works with JVM1.7.



Hostname or IP address of the Cassandra server.



Listening port number of the Cassandra server.


Required authentication

Select this check box to provide credentials for the Cassandra authentication.


This check box will not appear if you select Cassandra 1.1.2 from theDB Version list.



Fill in this field with the username for the Cassandra authentication.



Fill in this field with the password for the Cassandra authentication.

To enter the password, click the [...] button next to the password field, and then in the pop-up dialog box enter the password between double quotes and click OK to save the settings.



Type in the name of the keyspace into which you want to write the SSTable.


Column family

Type in the name of the column family into which you want to write the SSTable.


SSTable directory

Specify the local directory of the SSTable to be loaded into Cassandra. Note that the complete path to the SSTable will be the local directory appended by the specified keyspace name and column family name.

For example, if you set the local directory to /home/talend/sstable, and specify testk as the keyspace name and testc as the column family name, the complete path to the SSTable will be /home/talend/sstable/testk/testc/.

Advanced settings

tStatCatcher Statistics

Select this check box to gather the Job processing metadata at the Job level as well as at each component level.

Global Variables

ERROR_MESSAGE: the error message generated by the component when an error occurs. This is an After variable and it returns a string. This variable functions only if the Die on error check box is cleared, if the component has this check box.

A Flow variable functions during the execution of a component while an After variable functions after the execution of the component.

To fill up a field or expression with a variable, press Ctrl + Space to access the variable list and choose the variable to use from it.

For further information about variables, see Talend Studio User Guide.


This component can be used as a standalone component.


If you are using a subscription-based version of the Studio, the activity of this component can be logged using the log4j feature. For more information on this feature, see Talend Studio User Guide.

For more information on the log4j logging levels, see the Apache documentation at


Currently, the execution of this component ends the entire Job.