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@puffball1567 puffball1567 released this 20 Jul 07:52
v0.8.0
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KoutenDB v0.8.0

KoutenDB v0.8.0 is a naming and migration release.

Release:

https://github.com/puffball1567/koutendb/releases/tag/v0.8.0

The project was previously published under older names. The active project name
is now KoutenDB. The package name, CLI name, daemon name, C ABI names, repository
links, documentation, examples, and driver-facing references have been moved to
the KoutenDB naming scheme.

Why KoutenDB

Kouten comes from the Japanese word "kouten" (公転), meaning orbital
revolution: one body moving around another.

That meaning fits the database model. KoutenDB uses ring and orbit-inspired
placement as part of the retrieval path. A record is not only stored somewhere;
its placement is meant to help decide what should be read together later. The
goal is to reduce unrelated reads, transferred bytes, candidate memory, and
downstream AI/RAG or application work when the application has meaningful
locality.

The name therefore describes the technical direction more directly:

  • rings and orbit-inspired coordinates are part of the data model
  • locality is exposed to the database instead of reconstructed after each query
  • retrieval starts from meaningful placement rather than from a global scan
  • the project remains focused on smaller working sets, not on scanning the
    entire corpus faster

What Changed

  • Public project name: KoutenDB
  • Nim package: koutendb
  • CLI: kouten
  • Daemon: koutend
  • C ABI library: libkoutendb.so
  • C header: include/koutendb.h
  • C ABI symbol prefix: kouten_*
  • C ABI constants and environment variables: KOUTEN_* / KOUTENDB_*
  • Main repository URL: https://github.com/puffball1567/koutendb

The technical direction is unchanged. KoutenDB remains a ring-oriented
NoSQL/document/vector store for locality-aware retrieval and smaller working
sets.

Migration Notes

New installations should use:

nimble install koutendb
kouten --help

From source:

git clone https://github.com/puffball1567/koutendb.git
cd koutendb
nimble check
scripts/test_all_smoke.sh

C ABI users should build through the canonical script:

scripts/build_capi.sh

and link against:

include/koutendb.h
lib/libkoutendb.so

External drivers should move to the KoutenDB package and repository names. Older
names may still appear in historical posts or archived package entries, but the
active project name is KoutenDB.

Verification

The rename branch was verified with:

  • nim check src/koutendb.nim
  • nim check src/koutencli.nim
  • nim check src/koutend.nim
  • nim check src/koutendb_capi.nim
  • nimble check
  • scripts/build_capi.sh
  • scripts/test_core.sh
  • scripts/cli_crud_smoke.sh
  • scripts/cabi_tls_smoke.sh
  • scripts/driver_compat.sh
  • scripts/test_all_smoke.sh

GitHub Actions for the rename PR also passed, including the Linux and macOS C
ABI checks.

Known Boundaries

  • KoutenDB remains a technical preview / research OSS.
  • This release is primarily a naming and migration release, not a new storage
    engine feature release.
  • External driver packages may need their own coordinated KoutenDB-name
    releases.
  • Historical articles, forum posts, and package names may still mention older
    names during the transition.
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