LocalAI/core
Ettore Di Giacinto bbcaebc1ef
feat(concurrency-groups): per-model exclusive groups for backend loading (#9662)
* feat(concurrency-groups): per-model exclusive groups for backend loading

Adds `concurrency_groups: [...]` to model YAML configs. Two models that share
a group cannot be loaded concurrently on the same node — loading one evicts
the others, reusing the existing pinned/busy/retry policy from LRU eviction.

Layered design:
- Watchdog (pkg/model): per-node correctness floor — on every Load(), evict
  any loaded model that shares a group with the requested one. Pinned skips
  surface NeedMore so the loader retries (and ultimately logs a clear
  warning), instead of silently allowing the rule to be violated.
- Distributed scheduler (core/services/nodes): soft anti-affinity hint —
  scheduleNewModel prefers nodes that don't already host a same-group
  model, falling back to eviction only if every candidate has a conflict.
  Composes with NodeSelector at the same point in the candidate pipeline.

Per-node, not cluster-wide: VRAM is a node-local resource, and two heavy
models running on different nodes is fine. The ConfigLoader is wired into
SmartRouter via a small ConcurrencyConflictResolver interface so the nodes
package keeps a narrow surface on core/config.

Refactors the inner LRU eviction body into a shared collectEvictionsLocked
helper and the loader retry loop into retryEnforce(fn, maxRetries, interval),
so both LRU and group enforcement share busy/pinned/retry semantics.

Closes #9659.

Assisted-by: Claude:claude-opus-4-7 [Claude Code]
Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

* fix(watchdog): sync pinned + concurrency_groups at startup

The startup-time watchdog setup lives in initializeWatchdog (startup.go),
not in startWatchdog (watchdog.go). The latter is only invoked from the
runtime-settings RestartWatchdog path. As a result, neither
SyncPinnedModelsToWatchdog nor SyncModelGroupsToWatchdog ran at boot,
so `pinned: true` and `concurrency_groups: [...]` only became effective
after a settings-driven watchdog restart.

Fix by adding both sync calls to initializeWatchdog. Confirmed end-to-end:
loading model A in group "heavy", then C with no group (coexists),
then B in group "heavy" now correctly evicts A and leaves [B, C].

Assisted-by: Claude:claude-opus-4-7 [Claude Code]
Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

* fix(test): satisfy errcheck on new os.Remove in concurrency_groups spec

CI lint runs new-from-merge-base, so the existing pre-existing
`defer os.Remove(tmp.Name())` lines are baseline-grandfathered but the
one introduced by the concurrency_groups YAML round-trip test is held
to errcheck. Wrap the remove in a closure that discards the error.

Assisted-by: Claude:claude-opus-4-7 [Claude Code]
Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

---------

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>
2026-05-05 08:42:50 +02:00
..
application feat(concurrency-groups): per-model exclusive groups for backend loading (#9662) 2026-05-05 08:42:50 +02:00
backend feat: add LocalVQE backend and audio transformations UI (#9640) 2026-05-04 22:07:11 +02:00
cli fix(distributed): orchestrator resilience — auto-upgrade routing, worker bind-wait, RAG-init crash, log spam (#9657) 2026-05-04 19:09:16 +02:00
clients feat: add distributed mode (#9124) 2026-03-30 00:47:27 +02:00
config feat(concurrency-groups): per-model exclusive groups for backend loading (#9662) 2026-05-05 08:42:50 +02:00
dependencies_manager feat(ui): move to React for frontend (#8772) 2026-03-05 21:47:12 +01:00
explorer feat: add distributed mode (#9124) 2026-03-30 00:47:27 +02:00
gallery feat(importers): whisper.cpp HF repos pick a quant + nest under whisper/models (#9630) 2026-05-01 12:03:07 +02:00
http feat: add LocalVQE backend and audio transformations UI (#9640) 2026-05-04 22:07:11 +02:00
p2p feat: add distributed mode (#9124) 2026-03-30 00:47:27 +02:00
schema feat: add LocalVQE backend and audio transformations UI (#9640) 2026-05-04 22:07:11 +02:00
services feat(concurrency-groups): per-model exclusive groups for backend loading (#9662) 2026-05-05 08:42:50 +02:00
startup feat: add distributed mode (#9124) 2026-03-30 00:47:27 +02:00
templates fix(vision): propagate mtmd media marker from backend via ModelMetadata (#9412) 2026-04-18 20:30:13 +02:00
trace feat: add LocalVQE backend and audio transformations UI (#9640) 2026-05-04 22:07:11 +02:00