Async Service Processor creates large number of requestors
When a service is configured with execution mode Asynchronous 'Queue to agent', multiple requestors are created and are never released.
This causes the server to consume large number of resources which will eventually result in a non responsive system.
No error messages but, multiple requestors are visible in System Management Application (SMA) until the server becomes unresponsive.
Steps to Reproduce
- Create Service activity (can be blank)
- Create Service Request Processor
- Create Service Package
- Create Service (HTTP) referencing Service Package.
- Configure Service rule to reference service activity, set mode of execution to Asynchronous and reference the Service Request Processor.
A defect in Pegasystems’ code or rules.
The Asynchronous mode of execution acquires requestors from the pool while executing the queued jobs but does not return the requestors to pool properly, causing a memory leak.
Apply HFix-34283, and a server restart is needed.
Note: The issue is fixed in Pega 7.2.2.
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