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DPS Pricing gotchas - workflows storage cost

r_weber
DynaMight Champion
DynaMight Champion

Hello,

I'm engaged in DPS migration projects and wanted to share an interesting thing I just learned. Wanted to ask what the community thinks of that:

Immediately when someone creates a workflow it is accounted towards your bill. Once the workflow is created it will consume "workflow-hours" (billed at $13c/hour). This is regardless if the workflow is enabled or executing, just the fact that we store a few kB will cost per hour! Executing the workflow will incur additional cost, depending on the appengine functions you are calling in your workflow ($0.1c/invocation).

I think that pricing model is a bit developer-unfriendly as you have no chance to develop without additional cost. Imagine you start experimenting with workflows and are not aware that every created workflow already costs and you just let them sit there. Every WF costs $3.12 per day or $1,139 per year....just for the storage.

IMO only enabled workflows should cost, if the trigger is disabled they should not incur costs.

Additionally, workflows seem to consume DDUs (if you are not on DPS yet) - my workflows all stopped when we ran out of DDUs.

Whats your thought?

Certified Dynatrace Master, Dynatrace Partner - 360Performance.net
5 REPLIES 5

tijust1
Helper

@r_weber Thanks for sharing this, I am on DPS and didnt know that workflow creation itself consume cost. I am agree with your point like if WF is not getting trigger then what is the pint to consume code.

Thanks,

Tijust

Dynatrace Professional Certified

Julius_Loman
DynaMight Legend
DynaMight Legend

@r_weber I totally agree with you. Workflows should not be subject for billing when not in use especially when this is just definition. Maybe there are some cloud services provisioned internally for each workflow? such approach turns Dynatrace into a tool people will be cautious to use since just touching it will cost you $. Maybe @martin_moschitz can explain what the reasons are.

 

Anyway DPS is way more complicated, especially when it gets to the sales side and doing estimations and forecast for new customers. 

Certified Dynatrace Master | Alanata a.s., Slovakia, Dynatrace Master Partner

martin_moschitz
Dynatrace Promoter
Dynatrace Promoter

Adding in @Horst who works in the Automation solution and can provide more background on the workflow pricing reasoning.

@Julius_Loman would be great if you could share your observations on the complexity with myself, Brian Howard and Ryan Covell. I assume you are referring to the estimations and forecasting in terms of ingest and query costs? Compared to the offerings we also already had with SKU based licenses, there should not be much of a difference in estimations and forecasting (Full Stack, Infra, Real User Monitoring, etc.), in fact, it even got slightly easier, as your forecasting per SKU does not need to be 100% accurate anymore, as in DPS you can re-use unused quantity for any other Platform functionality.

@r_weber could you please share with myself and gerald.binder@dynatrace.com your observations on the workflows stopping once you ran out of DDU via email or slack so we can look into this? (environment, user, workflows in question). Thanks

Horst
Dynatrace Enthusiast
Dynatrace Enthusiast

Q: "Additionally, workflows seem to consume DDUs (if you're not on DPS yet)"
A: Answer: No, workflows never consume DDUs directly. Depending on what you're doing with a workflow, it might trigger or directly call Dynatrace functionality that consumes DDUs. 

Q: "My workflows all stopped when we ran out of DDUs."
A: 
When you're not on DPS the creation/ingestion of events consumes DDUs. After the depletion of DDUs, no more events will be ingested (unless overages are activated). The workflow is waiting for an event that can’t be generated. The workflow can still be started manually, via schedule, or via API.

Horst
Dynatrace Enthusiast
Dynatrace Enthusiast

Q: Provide some background on the reasoning behind workflow pricing.
A: Workflows can be used for high-value critical remediation scenarios only triggered on occasion, but also for essential cost-saving scenarios with high execution frequencies (where charging per execution would result in exploding costs quickly). DPS workflow-hours is a predictable “flat-rate” base cost model for workflows.

Q: IMO only enabled workflows should cost, if the trigger is disabled they should not incur costs.

A: We don't differentiate between enabled or disabled workflow. Any workflow that exists can be executed at any time, either manually or via API, even if a starting condition like a trigger or schedule is defined. 

Q: Every WF costs $3.12 per day or $1,139 per year.
A: Yes, this is true for list prices. Due to discounts, the average street price will most likely be considerably lower. Furthermore, cost savings by reducing manual effort with automations should outweigh the workflow costs by far.

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