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World Congress 2026 Europe • Jul 9, 2026 • Session details

From Scheduler to Events: Rethinking Alerts in a Modular System

Cristina Musceleanu

Are central schedulers choking your enterprise system? Learn how the European Central Bank inverted their data flow to eliminate 90% of unnecessary data loads without a heavy rewrite.

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#1 about 4 min

Origin and evolution of an enterprise notification engine

Starting with a simple polling scheduler delivers quick business value but outgrows its straightforward design as system usage expands.

#2 about 5 min

Adding complexity to a centralized scheduling architecture

Shoehorning new entity dependencies into a rigid polling structure compounds technical debt as business requests multiply.

#3 about 4 min

Identifying symptoms of a strained notification architecture

Polling an entire database continuously exposes scaling limits like memory spikes, massive blast radius impacts, and missed transient alerts.

#4 about 3 min

Reversing data loading processes to optimize alert evaluation

Evaluating business rules before fetching database states significantly reduces unnecessary data retrieval and lowers critical processing times.

#5 about 3 min

Decoupling business logic to create replaceable architectural edges

Isolating core rules from the scheduler trigger enables the system to safely adopt downstream event-driven streaming pipelines when ready.

#6 about 5 min

Guiding principles for sustainable and scalable software modernizations

Establishing clear module boundaries and observable states transforms highly stressful architectural refactors into completely predictable platform deployments.

#7 about 4 min

Audience questions on implementation timelines and alert logic

Explaining execution timelines and clarifying how resolving open and close rule evaluations fixes transient notification failures immediately.

Matching moments

1:44 min

Strategies for modernizing and mitigating legacy system risks

Leszek Włodarski Leszek Włodarski · WWC Europe 2026

5:24 min

Scaling software concepts to system architecture

David Leitner · LIVE

2:08 min

Introducing beneficial architectural patterns like event sourcing

Stefan Priebsch · WWC 2021

1:51 min

Complexity tradeoffs in event-driven legacy architecture replacements

Geetha Anne · LIVE

4:30 min

Introducing data management and the shift to streaming

Mary Grygleski Mary Grygleski · LIVE

4:14 min

Recognizing architectural drivers pushing event streaming system adoption

Mary Grygleski Mary Grygleski · LIVE

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