Use an existing
connection

Select this check box and in the Component List click the relevant connection component to
reuse the connection details you already defined.

If you select the Use an existing
connection check box, the Nodes table will not be available.

Nodes

Fill in the information required for a connection to a Riak
cluster.

• Host: enter the IP address or hostname of a Riak
  node in the Riak cluster that you want to connect to.

• Port: enter the listening port number of a Riak
  node. You can leave this field empty to use its default
  value 8098.

• Riak path: enter the Riak path for accessing a Riak
  node. You can leave this field empty to use its defalt value
  riak.

One example of the URL for accessing a Riak node is http://127.0.0.1:8098/riak.

For more information about the concepts related to Riak, see https://docs.basho.com/riak/kv/2.2.0/learn/concepts/.

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

CURRENT_BUCKET_NAME: the current bucket name. This is a
Flow variable and it returns a string.

NB_LINE: the number of rows read by an input component or
transferred to an output component. This is an After variable and it returns an
integer.

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.

Usage rule

This component can be used as a standalone component.