Why using durable subscribers is slower than using non-durable subscribers, even when using the NON_PERSISTENT delivery mode?
Article ID: KB0085481
Updated On:
| Products | Versions |
|---|---|
| TIBCO Enterprise Message Service | - |
| Not Applicable | - |
Description
Resolution:
Durables must get an acknowledgement for an acknowledgement from the server, while normal subscribers do not. If durable does not wait for acknowledgement to an acknowledgement then if the server goes down and comes back up the message may be redelivered. Normal subscribers do not have such problem obviously since old messages are never redelivered to them.
Durables must get an acknowledgement for an acknowledgement from the server, while normal subscribers do not. If durable does not wait for acknowledgement to an acknowledgement then if the server goes down and comes back up the message may be redelivered. Normal subscribers do not have such problem obviously since old messages are never redelivered to them.
Issue/Introduction
Why using durable subscribers is slower than using non-durable subscribers, even when using the NON_PERSISTENT delivery mode?
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