What do you mean by an agent in the context of Pega? Explain.

1.	What do you mean by an agent in the context of Pega? Explain.
Answer» An agent is a server's internal background process that performs actions on a regular basis. Agents deliver email notifications about assignments and OUTGOING messages, GENERATE updated indexes for the full-text search feature, synchronize CACHES among nodes in a multiple node system, and other system duties. Agents are self-contained and asynchronous: the activities they invoke operate on their own timetables, and a second activity execution can begin before the first one has finished. Agents are defined by their own set of rules (Rule-Agent-Queue rule type). Agent Queue data instances are used to enable and schedule agents (Data-Agent-Queue class). If POTENTIAL deadlock and other locking issues are appropriately managed by the activities in a MULTI node cluster, an agent can execute on numerous nodes, even each node, to achieve high throughput.

Answer»

An agent is a server's internal background process that performs actions on a regular basis. Agents deliver email notifications about assignments and OUTGOING messages, GENERATE updated indexes for the full-text search feature, synchronize CACHES among nodes in a multiple node system, and other system duties. Agents are self-contained and asynchronous: the activities they invoke operate on their own timetables, and a second activity execution can begin before the first one has finished.

Agents are defined by their own set of rules (Rule-Agent-Queue rule type). Agent Queue data instances are used to enable and schedule agents (Data-Agent-Queue class). If POTENTIAL deadlock and other locking issues are appropriately managed by the activities in a MULTI node cluster, an agent can execute on numerous nodes, even each node, to achieve high throughput.

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