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A message queue is a service that receives events or messages from producers and provides them to consumers.
0
votes
Message queuing systems: sequential processing with dependencies between queues
"Sometimes" and "other times" - who decides this, based on which information? That's the entity that should initiate the correct message routing, in one case by sending parallel messages to pricing an …
1
vote
Question about the best way to architect a small webapp
Whether this is the best approach depends on many unknowns, but it's one reasonable approach, and I would simply start with it. If you find deficiencies or changes in requirements later you may have t …
3
votes
Complicated task scheduling architecture
In a comment on a previous answer you write that you consider the execution time of the cron job (reading 10k entries from database and enqueuing them) problematic. Did you actually measure the time a …
1
vote
How to implement event payload isolation in an event driven architecture?
It seems unusual to have data in an internal communication between software services that should be visible to some consumers and hidden from others. So I would guess that there isn't a common pattern …
1
vote
Long-polling with message queues in a clustered environment
If you use message brokers to implement a kind of remote procedure call, you normally create a fresh response queue for each request. Only the process which initiated a request will wait on this queue …
4
votes
Implement message queue in API Gateway
Throttling requests to the backend is in general a reasonable idea if there is evidence that too many parallel requests would lead to problems. However, your suspicion is right, message queues are for …
1
vote
Organize and maintain a lot of cron jobs
I would suggest combining jobs that should be run on the same schedule (hourly, twice daily etc.) but should not run in parallel into shell scripts which execute them in sequence, so if one job runs a …