Main Tab

The GCP PubSub Publisher Main tab contains settings related to the profile and handling of messages for submission by the agent.

GCP PubSub Publisher Configuration - Main tab

Setting	Description
Google GCP Profile	This is the profile to use for subscription. For more information, see GCP (3.1).
Project	This is to identify the project that contains the subscribed PubSub subscription and associated Topic.
Topic	This is to identify existing PubSub topics within a project.
Enable Message Ordering	Check this to publish messages in the same order as the orderingKey.
Endpoint	The custom URL that you must specify for using the GCP services. The Endpoint must be specified in the format host:port.

Advanced Tab

GCP PubSub Publisher Configuration - Advanced tab

Setting	Description
Group Messages Threshold	This is to set the number of messages to be allowed in a batch for publishing.
Group Milliseconds Threshold	This is to set the time elapse from the first message retrieval before publishing subsequent batches in one instance.
Group Kilobytes Threshold	This is the threshold for messages to be published based on the configured kilobytes. Once the size is met, all messages within the threshold will be published in a batch.
Max Outstanding Messages	Maximum number of messages to be published from PubSub.
Max Outstanding Kilobytes	Maximum size for messages to be published from PubSub.
Executor Threads	The number of threads for each stream to handle outgoing messages.