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The PSI agent configuration dialog contains three tabs: the SLU list, Connection and Advanced properties tabs.

Warning
titleDeprecation

From 8.1.9 and 8.2, Netty version 3 is deprecated from 8.2 and will be removed 4 is supported for the PSI Agent. Netty version 3 will be deprecated in a future releaseversion of .

SLU list Tab

The SLU list tab is displayed by default when you open a PSI agent configuration dialog.

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The PSI agent configuration dialog - Connection tab


FieldDescription
Transport version

Select Netty4 to use Netty version 4 for the PSI Agent. Default is Netty3. It is recommended to use version 4.

Note
titleNote!

will be completely upgraded to Netty version 4 within a few releases, starting with the PSI Agent in 8.1.9. Netty version 3 can be used as fallback for a period of time. Netty version 3 will be deprecated in a future version of .

To mix Netty versions within the same execution context is not supported. For example, you cannot run different workflows with different Netty versions simultaneously. Furthermore, you cannot run several execution contexts with different versions of Netty communicating with one another. It is possible to switch between using Netty version 3 or Netty version 4 for different instances of .Netty version 3 will be deprecated in a future version of . The plan is to completely upgrade to Netty version 4 soon, starting with the PSI Agent. Netty 3 can be used as fallback for a period of timeSince only the PSI Agent supports Netty4 this means that you cannot use Netty4 if the PSI Agent is intended to communicate with for example Workflow Bridge, since Workflow Bridge still only supports Netty3.


Heartbeat interval (s)

Specifies the interval period in seconds for sending heartbeat messages. The default value is 60, the maximum value is 1800.

Request timeout (ms)

Specifies the timeout period for responses from a SLU.

Request retries

Specifies the number of SLUs to which a request is attempted to be sent on a timeout. Entering a value of 1 means you an attempt is made to send a request to 2 SLUs.

Advanced properties Tab

You can modify properties in the Advanced properties tab.

The PSI configuration agent dialog - Advanced properties tab

One example of properties that can be configured in the Advanced properties tab is reconnectInterval, which specifies the time interval after which the agent will try to reconnect.

Below are listed properties that are deprecated after Netty version 3:

  • localInterface
  • suppressDuplicateEvents
  • useForwardingQueue
  • forwardingQueueTimeout
  • forwardingQueueSize
  • direct-deliver
Note
titleNote!
For existing or imported workflows the Properties list is not reloaded to reflect if any properties have been deprecated.

See the text in the Properties field for further information about the properties.