Suspension of Messages during Shutdown

Question

Question

Scott Roth · Mar 8, 2023

#System Administration #InterSystems IRIS

We have messages that are in a queued state for various reasons and when we do a manual shutdown of the instance, they are moved to a Suspended state. I thought I saw in the documentation somewhere a setting to make sure these messages stay in a queued state and not suspend them. Can someone confirm and point me in the correct location for that documentation, as I am trying to ensure that if we do have to manually shutdown a instance, someone doesn't have to remember to go back in and check for suspended messages and resubmit them?

Thanks

Product version: IRIS 2022.1

Discussion (4)1

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Vic Sun · Mar 8, 2023

Hi Scott, that doc is here:

Improving Restarts for Productions with Large Queues

That being said - I thought the move from suspended back to the queue was automatic generally, and wouldn't require a manual resubmit?

"By default, when a production is stopped, any asynchronous messages on the ^Ens.Queue global queue are moved to the ^Ens.Suspended queue. When the production is restarted, they are moved back."

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Nicholai Mitchko · Mar 8, 2023

set ^Ens.Configuration("Queues","KeepInQueues")=1

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score 0 · Answer 1 · 2024-02-16T14:42:57-05:00

I just ran through several scenarios of testing the change to Ens.Configuration("Queues","KeepInQueues")=1, but when IRIS was restarted the messages were placed back in the Ens.Suspended queue.

score 0 · Answer 2 · 2024-02-16T15:17:11-05:00

Hi Scott, just to double check that this setting is per namespace. If that isn't working, I'd suggest opening a WRC case.