StateVec https://statevec.io/ StateVec engineering - deterministic OLTP engine for business-critical systems. en-us Thu, 14 May 2026 15:09:15 GMT When Publication Became a Projector https://statevec.io/stories/publication-as-projector.html https://statevec.io/stories/publication-as-projector.html Thu, 14 May 2026 00:00:00 GMT Architecture Evolution How a SQL record-delta explorer led to readonly projectors, verified publication, and a cleaner effect boundary. Verified Projector Architecture https://statevec.io/blogs/verified-projector-architecture.html https://statevec.io/blogs/verified-projector-architecture.html Thu, 14 May 2026 00:00:00 GMT Architecture How StateVec separates canonical state change from verified external effects through readonly projectors. The Hard Part of a Matching Engine Is Consistent State https://statevec.io/stories/match-engine-consistency.html https://statevec.io/stories/match-engine-consistency.html Wed, 13 May 2026 00:00:00 GMT Exchange Origin Why exchange-grade matching engines are hard because of stable, recoverable consistency, not only raw performance. StateVec Bank HA Kafka Performance Run https://statevec.io/blogs/bank-ha-performance-run.html https://statevec.io/blogs/bank-ha-performance-run.html Tue, 12 May 2026 00:00:00 GMT Performance Kafka HA throughput, latency, resource, and tx sequence completeness results from the 2026-05-12 Bank HA runner. StateVec Overview https://statevec.io/blogs/statevec-overview.html https://statevec.io/blogs/statevec-overview.html Sun, 10 May 2026 00:00:00 GMT Overview What StateVec is, where it fits, and how execution, replay, and query surfaces work. StateVec Plugin Contract https://statevec.io/docs/plugin-contract.html https://statevec.io/docs/plugin-contract.html Sun, 10 May 2026 00:00:00 GMT Plugin The 30-second developer path: define records, commands, events, keys, indexes, and deterministic handlers. AWS Cost Model: Raft Shards vs StateVec https://statevec.io/docs/aws_cost_raft_vs_statevec.html https://statevec.io/docs/aws_cost_raft_vs_statevec.html Sun, 10 May 2026 00:00:00 GMT Cost Model Directional AWS instance cost model for a 16-shard Raft business engine setup versus StateVec. AWS Cost Model: Aurora Service Stack vs StateVec https://statevec.io/docs/aws_cost_relation_db_vs_statevec.html https://statevec.io/docs/aws_cost_relation_db_vs_statevec.html Sun, 10 May 2026 00:00:00 GMT Cost Model Directional AWS cost model for an Aurora-centered service stack versus StateVec at a 10k TPS write target. From Hedge Engine to a Reliable State Engine https://statevec.io/stories/original-problem.html https://statevec.io/stories/original-problem.html Fri, 08 May 2026 00:00:00 GMT Origin How hedge engine reliability exposed the need for a controllable deterministic state engine. Where the Common Service Pattern Hits Its Limit https://statevec.io/stories/domain-objects-to-deterministic-state.html https://statevec.io/stories/domain-objects-to-deterministic-state.html Fri, 08 May 2026 00:00:00 GMT Architecture What the standard service pattern gives you, and where it strains under critical state. SysId, UK, and Indexes: The Exchange Test Case https://statevec.io/stories/identity-uk-and-indexes.html https://statevec.io/stories/identity-uk-and-indexes.html Fri, 08 May 2026 00:00:00 GMT Modeling How a trading exchange test case shaped the design of identity, uniqueness, and prefix indexes. Power of Speculative Execution https://statevec.io/blogs/power-of-speculative-execution.html https://statevec.io/blogs/power-of-speculative-execution.html Fri, 08 May 2026 00:00:00 GMT Execution Why deterministic engines can compute, reject, commit, replay, and verify from a cleaner boundary. Stacked Data View https://statevec.io/blogs/stacked-data-view.html https://statevec.io/blogs/stacked-data-view.html Fri, 08 May 2026 00:00:00 GMT Data View How transaction-visible record, UK, and index views make speculative execution precise. TxLog as Source of Truth https://statevec.io/blogs/txlog-as-source-of-truth.html https://statevec.io/blogs/txlog-as-source-of-truth.html Fri, 08 May 2026 00:00:00 GMT TxLog Why TxLog is the durable source of truth for replay, audit, and cluster verification.