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Ezra (Archivist) 3e25474e56 [ezra] ADRs + Execution KT for Matrix/Conduit (#183 , #166 )

- Add 5 standalone ADRs in infra/matrix/docs/adr/
- Add EXECUTION_ARCHITECTURE_KT.md: exact path from DNS decision to fleet ops
- Architecture proof and continuity preserved

2026-04-05 18:20:46 +00:00

930 B

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ADR-005: Database Selection — SQLite for Phase 1

Status: Accepted
Date: 2026-04-05
Deciders: Ezra (architect), Timmy Foundation
Scope: Persistence layer for Conduit (#166, #183)

Context

Conduit supports SQLite and PostgreSQL. Synapse requires Postgres.

Decision

Use SQLite for the initial deployment (Phase 1). Migrate to PostgreSQL only if user count or performance metrics trigger it.

Consequences

Positive	Negative
Zero additional container/service	Harder to scale horizontally
Single file backup/restore	Performance ceiling under heavy load
Conduit optimized for SQLite

Migration Trigger

Concurrent active users > 50
Database file > 10 GB
Noticeable query latency on room sync

References

Issue: #166
Config: infra/matrix/conduit.toml

930 B Raw Blame History