Tenzaa's Tech Blog
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Building a Compensating Transaction Framework with Celery for Oracle DB Interactions on EKS Building a Compensating Transaction Framework with Celery for Oracle DB Interactions on EKS
Our core order processing was trapped inside a monolithic 3,000-line Oracle PL/SQL stored procedure. For years, it was t
2023-10-27 Distributed Systems
Kubernetes Saga Pattern Celery Oracle AWS EKS Distributed Transactions
Building a Scalable CRDT-Based Collaborative Backend with Micronaut WebSockets and TiDB Building a Scalable CRDT-Based Collaborative Backend with Micronaut WebSockets and TiDB
The initial pain point was deceptive. A request for “real-time collaboration” often defaults to a simple WebSocket broad
2023-10-27 Distributed Systems
TiDB WebSockets CRDT Headless UI Micronaut
Building a Resilient Two-Phase Commit Coordinator in Elixir for Cross-Service Transactions Building a Resilient Two-Phase Commit Coordinator in Elixir for Cross-Service Transactions
Our deployment process was a liability. A single feature release required orchestrating changes across three distinct se
2023-10-27 Distributed Systems
DigitalOcean WebSockets Elixir OTP Phoenix Two-Phase Commit (2PC)
Implementing Idempotent Event Handlers in Haskell Driven by BDD and DynamoDB Conditional Writes Implementing Idempotent Event Handlers in Haskell Driven by BDD and DynamoDB Conditional Writes
The system began dropping acknowledgements under load. Our event consumer, designed for at-least-once delivery from a Ka
2023-10-27 Distributed Systems
BDD Haskell Event-Driven Architecture DynamoDB Idempotency
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