Local Delivery Layer (LDL)
- Last UpdatedNov 02, 2023
- 1 minute read
The Local Delivery Layer (LDL) of the PubSub Engine handles the transmission and reception of all messages to and from applications that are directly connected to the engine, which is on the same computer unless it is remotely connected.
The LDL sends out information in one-second intervals. The following is published for topics related to the LDL:
pubsub.debug.ldl.<debugItem>
Where <debugItem> can be any of the options in the table below:
|
Debug Item |
Description |
|---|---|
|
apps |
Number of application currently connected to the engine. |
|
connections |
Number of application connections since the engine started. |
|
disconnections |
Number of application disconnections since the engine started. |
|
topics |
Number of topics currently in the topic tree. |
|
subscribers |
Number of application-topic subscription pairs. |
|
publishers |
Number of application-topic publisher pairs. |