bvandeusenandClaude Opus 5.5
058fa85606
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A whole-library rehash with a 35-minute limit was matched by the maintenance.* glob. It held a scheduler process for its whole run, and the minute ticks queued behind it. An exact-name route now sends it to maintenance_long. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01LVjrnpQjRgHdvq95rASoiR
374 lines
20 KiB
Python
374 lines
20 KiB
Python
"""Celery configuration with separate queue lanes.
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Queues:
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import — filesystem import path (FC-2)
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ml — WD14 + SigLIP inference (FC-2; runs in the ml-worker image)
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thumbnail — image and video thumbnail generation (FC-2)
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download — gallery-dl tasks (FC-3)
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scan — periodic source checks (FC-3) — kept separate so long imports
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don't starve the scheduler
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maintenance — recovery sweeps, pHash backfill, GPU-queue coordination, etc.
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default — anything not explicitly routed
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"""
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from celery import Celery
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from .config import get_config
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from .services.worker_lanes import SWEEP_PERIOD_SECONDS
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def make_celery() -> Celery:
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cfg = get_config()
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app = Celery(
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"fabledcurator",
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broker=cfg.celery_broker_url,
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backend=cfg.celery_result_backend,
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include=[
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"backend.app.tasks.smoke",
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"backend.app.tasks.scan",
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"backend.app.tasks.import_file",
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"backend.app.tasks.thumbnail",
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"backend.app.tasks.maintenance",
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"backend.app.tasks.ml",
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"backend.app.tasks.gpu_queue",
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"backend.app.tasks.download",
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"backend.app.tasks.external",
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"backend.app.tasks.backup",
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"backend.app.tasks.admin",
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"backend.app.tasks.library_audit",
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"backend.app.tasks.translation",
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],
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)
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app.conf.update(
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task_default_queue="default",
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task_routes={
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"backend.app.tasks.import_file.*": {"queue": "import"},
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"backend.app.tasks.ml.*": {"queue": "ml"},
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# GPU-queue coordination (backfill enqueues, orphan recovery,
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# reprocess) is pure DB work — it rides the maintenance quick lane
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# so the GPU agent pipeline works even on stacks that drop the
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# (now-optional, B3) ml-worker container entirely.
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"backend.app.tasks.gpu_queue.*": {"queue": "maintenance"},
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"backend.app.tasks.thumbnail.*": {"queue": "thumbnail"},
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"backend.app.tasks.download.*": {"queue": "download"},
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# External file-host fetches are downloads — same lane (they can run
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# long, but the download worker already tolerates long backfills).
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"backend.app.tasks.external.*": {"queue": "download"},
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"backend.app.tasks.scan.*": {"queue": "scan"},
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# `maintenance` is the QUICK lane — recovery sweeps, vacuum, cleanup
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# (concurrency-1 on the scheduler). The long one-shots (DB backups,
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# library audits, admin maintenance: normalize/re-extract/cascade-
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# delete) run on a SEPARATE `maintenance_long` lane + worker so they
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# can never starve the quick self-healing sweeps (operator-flagged
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# 2026-06-07: a 2h audit blocked vacuum/backup/normalize for hours).
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"backend.app.tasks.maintenance.*": {"queue": "maintenance"},
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# The one long job in maintenance.py: a whole-library phash
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# recompute (35 min hard limit; the library was cleared for
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# re-hashing by migration 0098). On the quick lane it held a
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# scheduler process for its whole run, and the minute ticks queued
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# up behind it (2026-09-24: 7 waiting, "all workers busy for 18
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# minutes"). An exact name wins over the glob above.
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"backend.app.tasks.maintenance.backfill_phash": {"queue": "maintenance_long"},
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"backend.app.tasks.backup.*": {"queue": "maintenance_long"},
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"backend.app.tasks.admin.*": {"queue": "maintenance_long"},
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"backend.app.tasks.library_audit.*": {"queue": "maintenance_long"},
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# Translation backfill hits the LLM (~1–6s/item) → the long lane so it
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# never starves the quick self-healing sweeps (#143).
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"backend.app.tasks.translation.*": {"queue": "maintenance_long"},
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},
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# Heavy ML tasks need fair dispatch — see ImageRepo's precedent.
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task_acks_late=True,
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# Deploy graceful-shutdown safety: with acks_late, a task killed because
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# it outran the container's stop-grace window (SIGKILL) is re-queued
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# rather than silently lost. Safe because our long tasks are idempotent +
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# chunked (translation per-post commit, downloads terminal-status, audits
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# chunk) and the 5-min recovery sweeps re-drive anything left non-terminal
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# — a re-run resumes cleanly and never corrupts. No redeliver-loop risk:
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# heavy GPU work is tombstoned via gpu_queue, not run inline in a worker.
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task_reject_on_worker_lost=True,
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worker_prefetch_multiplier=1,
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# Broker resilience (2026-06-24): a swarm overlay-network blip after a
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# redeploy left Redis healthy but transiently unreachable, and a worker
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# starting in that window crash-looped on the initial broker connect
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# (kombu OperationalError) instead of waiting it out — needing a manual
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# Redis reset to recover. Retry the broker FOREVER (None) on startup and
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# at runtime so a transient outage self-heals when routing returns,
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# rather than the worker exiting.
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broker_connection_retry_on_startup=True,
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broker_connection_retry=True,
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broker_connection_max_retries=None,
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# Redis-transport socket options (apply to the BROKER connection): a
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# short connect timeout + TCP keepalive so a dead/blocked socket is
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# noticed and retried, and a periodic health check that proactively
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# reconnects a live worker through a network hiccup.
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broker_transport_options={
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"socket_connect_timeout": 5,
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"socket_timeout": 30,
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"socket_keepalive": True,
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"retry_on_timeout": True,
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"health_check_interval": 30,
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},
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# Same hardening for the Redis RESULT backend (separate connection pool).
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redis_socket_connect_timeout=5,
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redis_socket_timeout=30,
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redis_socket_keepalive=True,
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redis_retry_on_timeout=True,
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redis_backend_health_check_interval=30,
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beat_schedule={
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"recover-interrupted-tasks": {
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"task": "backend.app.tasks.maintenance.recover_interrupted_tasks",
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"schedule": 300.0, # every 5 minutes
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},
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"size-worker-lanes": {
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"task": "backend.app.tasks.maintenance.size_worker_lanes",
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"schedule": SWEEP_PERIOD_SECONDS,
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#
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# The number lives in `services/worker_lanes` because three
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# places must agree on it: this schedule, the freshness of the
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# sample the System tab reads, and the roster staleness
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# thresholds in `api/system_health` — which now depend on this
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# sweep rather than on a browser being open, and assert their
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# headroom over it at import.
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#
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# ONE entry, replacing `autoscale-worker-lanes` (60s) and
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# `reconcile-worker-lanes` (300s) on 2026-09-23. They were two
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# sweeps over one number and most of the autoscaler's design
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# existed to stop the reconcile undoing its work; with the
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# stored `slots` gone there is nothing to disagree about.
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#
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# Fast enough to react to a BACKLOG — a five-minute reaction to
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# a queue filling up is no reaction. It also carries what the
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# reconcile was for: a worker restarted at its ENV concurrency
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# is corrected on the next tick rather than after five.
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#
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# Cheap when settled: one inspect plus one LLEN sweep, and no
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# control messages at all once every lane matches. It is also
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# now the ONLY thing that inspects — nothing on a request path
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# does — so this is the whole broker cost of the System tab,
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# whether nobody or ten tabs are watching.
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},
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"cleanup-old-tasks": {
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"task": "backend.app.tasks.maintenance.cleanup_old_tasks",
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"schedule": 86400.0, # daily
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},
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"cleanup-orphaned-temp-files": {
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"task": "backend.app.tasks.maintenance.cleanup_orphaned_temp_files",
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"schedule": 86400.0, # daily — sweep .part/.partial left by a
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# download/import killed mid-write (graceful-shutdown fallout)
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},
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"backfill-phash-daily": {
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"task": "backend.app.tasks.maintenance.backfill_phash",
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"schedule": 86400.0, # daily — NULL-only, so a no-op once the
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# library is hashed. This is what makes migration 0098's
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# re-hash happen on its own: 0098 NULLs every phash, and
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# without a scheduled refill the library would sit
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# dedup-disabled until someone ran a deep scan (#4223).
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},
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"train-heads-nightly": {
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"task": "backend.app.tasks.ml.scheduled_train_heads",
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"schedule": 86400.0, # passive cadence; manual retrain stays available
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},
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"refresh-character-prototypes": {
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"task": "backend.app.tasks.ml.refresh_character_prototypes",
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"schedule": 900.0, # ~15 min; cheap global-gate no-op when idle (#1317)
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},
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"reconcile-character-prototypes-nightly": {
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"task": "backend.app.tasks.ml.refresh_character_prototypes",
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"schedule": 86400.0, # nightly FULL reconcile (belt-and-suspenders)
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"args": (True,), # full=True
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},
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"apply-head-tags-daily": {
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"task": "backend.app.tasks.ml.scheduled_apply_head_tags",
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"schedule": 86400.0, # no-op unless head_auto_apply_enabled
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},
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"recover-orphaned-gpu-jobs": {
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"task": "backend.app.tasks.gpu_queue.recover_orphaned_gpu_jobs",
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"schedule": 60.0, # quick pickup of work a dead agent orphaned
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},
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"triage-gpu-errors": {
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"task": "backend.app.tasks.maintenance.triage_gpu_errors",
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"schedule": 900.0, # probe errored jobs' files → defect/file_ok
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},
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"enqueue-ccip-backfill-hourly": {
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"task": "backend.app.tasks.gpu_queue.enqueue_gpu_backfill",
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"schedule": 3600.0, # auto-feed NEW images; errored are
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"args": ("ccip",), # tombstoned — retry is the button only
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},
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"enqueue-siglip-backfill-daily": {
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"task": "backend.app.tasks.gpu_queue.enqueue_gpu_backfill",
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"schedule": 86400.0, # drain the concept-crop back-catalogue
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"args": ("siglip",), # (errored are tombstoned, not retried)
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},
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"enqueue-embed-backfill-daily": {
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"task": "backend.app.tasks.gpu_queue.enqueue_gpu_backfill",
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"schedule": 86400.0, # whole-image re-embed under the current
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"args": ("embed",), # model (an operator swap) drains via agent
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},
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"ccip-auto-apply-daily": {
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"task": "backend.app.tasks.ml.scheduled_ccip_auto_apply",
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"schedule": 86400.0, # no-op unless ccip_auto_apply_enabled
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},
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"retract-auto-tags-daily": {
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"task": "backend.app.tasks.ml.scheduled_retract_auto_tags",
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"schedule": 86400.0, # soft auto-apply: drop auto-tags now below
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# their threshold (m139); no-op unless the auto-apply switch is on
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},
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"presentation-auto-apply-daily": {
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"task": "backend.app.tasks.ml.scheduled_presentation_auto_apply",
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"schedule": 86400.0, # auto-hide banner chrome (#141);
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# no-op unless presentation_auto_apply_enabled
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},
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"process-auto-apply-daily": {
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"task": "backend.app.tasks.ml.scheduled_process_auto_apply",
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"schedule": 86400.0, # auto-tag wip/editor process art (#1464);
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# no-op unless process_auto_apply_enabled (opt-in)
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},
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"soft-wip-conflict-audit-daily": {
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"task": "backend.app.tasks.ml.scheduled_soft_wip_conflict_audit",
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"schedule": 86400.0, # flag ring-loud soft-WIP (sketch/doodle) tags
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# for review (#1474); no-op with no content heads
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},
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"prune-presentation-reviews-daily": {
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"task": "backend.app.tasks.ml.prune_presentation_reviews",
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"schedule": 86400.0, # retention: drop resolved review flags >30d
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},
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"translate-posts-8h": {
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"task": "backend.app.tasks.translation.translate_posts",
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"schedule": 28800.0, # every 8h: steady-state cadence for the
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# trickle of newly-imported posts (no-op unless translation
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# configured + healthy). One bounded 300-chunk per fire — the
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# one-time backlog drains via the "Translate now" button
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# (drain=True, run-until-done), not this sweep.
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},
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"snapshot-head-metrics-daily": {
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"task": "backend.app.tasks.maintenance.snapshot_head_metrics",
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"schedule": 86400.0,
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},
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"group-discord-drops-hourly": {
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"task": "backend.app.tasks.maintenance.group_discord_drops",
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"schedule": 3600.0, # hourly. Not daily: the grouping signal is
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# the SigLIP embedding, which lands asynchronously AFTER import
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# (#388 E2), so this sweep is what picks up a drop once its
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# vectors have caught up. No-op unless discord_grouping_enabled.
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},
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"match-post-associations-hourly": {
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"task": "backend.app.tasks.maintenance.match_post_associations",
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"schedule": 3600.0, # hourly, and AFTER the grouper's own cadence
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# by construction: a pair cannot be proposed until the drop it
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# points at exists as a grouping (#388 E5). No-op unless
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# discord_link_enabled.
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},
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"sync-memberships-daily": {
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"task": "backend.app.tasks.maintenance.sync_memberships",
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"schedule": 86400.0, # daily — memberships change on a BILLING
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# cycle, not a download cadence (#387 C3). No-op per platform
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# when the client lacks the seam or no credential exists.
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},
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"integrity-verify-weekly": {
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"task": "backend.app.tasks.maintenance.verify_integrity",
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"schedule": 604800.0, # weekly
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},
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"fc3d-tick-due-sources": {
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"task": "backend.app.tasks.scan.tick_due_sources",
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"schedule": 60.0, # every minute
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},
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"fc3d-cleanup-download-events": {
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"task": "backend.app.tasks.maintenance.cleanup_old_download_events",
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"schedule": 86400.0, # daily
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},
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"recover-stalled-download-events": {
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"task": "backend.app.tasks.maintenance.recover_stalled_download_events",
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"schedule": 300.0, # every 5 min, matches recover-interrupted-tasks
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},
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"recover-stalled-task-runs": {
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"task": "backend.app.tasks.maintenance.recover_stalled_task_runs",
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"schedule": 300.0, # every 5 min, matches recover-interrupted-tasks
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},
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"prune-task-runs": {
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"task": "backend.app.tasks.maintenance.prune_task_runs",
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"schedule": 86400.0, # daily
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},
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"vacuum-analyze": {
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"task": "backend.app.tasks.maintenance.vacuum_analyze",
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"schedule": 604800.0, # weekly — reclaim dead-tuple bloat + refresh stats
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},
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"fc3h-backup-db-nightly": {
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"task": "backend.app.tasks.backup.backup_db_nightly",
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"schedule": 3600.0, # hourly tick; task self-gates on configured UTC hour
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},
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"fc3h-prune-backups": {
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"task": "backend.app.tasks.backup.prune_backups",
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"schedule": 86400.0, # daily
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},
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# Audit 2026-06-02 — three new per-entity recovery sweeps.
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# Each runs every 5 min like the other recover_stalled_*
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# sweeps; each is a no-op when nothing is stuck.
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"recover-stalled-backup-runs": {
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"task": "backend.app.tasks.maintenance.recover_stalled_backup_runs",
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"schedule": 300.0,
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},
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"recover-stalled-library-audit-runs": {
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"task": "backend.app.tasks.maintenance.recover_stalled_library_audit_runs",
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"schedule": 300.0,
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},
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"recover-stalled-head-training-runs": {
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"task": "backend.app.tasks.maintenance.recover_stalled_head_training_runs",
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"schedule": 300.0,
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},
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"recover-stalled-head-auto-apply-runs": {
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"task": "backend.app.tasks.maintenance.recover_stalled_head_auto_apply_runs",
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"schedule": 300.0,
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},
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"recover-stalled-import-batches": {
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"task": "backend.app.tasks.maintenance.recover_stalled_import_batches",
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"schedule": 300.0,
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},
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# Audit 2026-06-02 — daily retention for two entities
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# whose terminal rows otherwise accumulate forever.
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"prune-library-audit-runs": {
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"task": "backend.app.tasks.maintenance.prune_library_audit_runs",
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"schedule": 86400.0,
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},
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"prune-import-batches": {
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"task": "backend.app.tasks.maintenance.prune_import_batches",
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"schedule": 86400.0,
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},
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# Audit 2026-06-02 — backfill_thumbnails's docstring claimed
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# "periodic Beat" but the entry was never registered, so the
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# library got no self-healing thumbnail repair; only the
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# manual admin-UI button fired it. Daily cadence is gentle
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# (the task is idempotent and only enqueues regen for rows
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# whose stored thumbnails are missing or corrupt).
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"backfill-thumbnails-daily": {
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"task": "backend.app.tasks.thumbnail.backfill_thumbnails",
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"schedule": 86400.0,
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},
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# External file-host downloads (#830): a steady sweep catches links
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# the post-download hook missed (worker down, etc.); recovery re-tries
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# dead links daily; retention prunes long-dead rows.
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"extdl-sweep": {
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"task": "backend.app.tasks.external.sweep_external_links",
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"schedule": 600.0, # every 10 min
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},
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"extdl-recover-daily": {
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"task": "backend.app.tasks.external.recover_external_links",
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"schedule": 86400.0,
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},
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"extdl-prune-daily": {
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"task": "backend.app.tasks.external.prune_external_links",
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"schedule": 86400.0,
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},
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},
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timezone="UTC",
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# Beat's memory of when each job last ran comes from task_run, not a
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# shelve file nothing persists — see beat_scheduler (#4408).
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beat_scheduler="backend.app.beat_scheduler:TaskRunScheduler",
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)
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# FC-3i: register task_run signal handlers (side-effect import).
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from . import celery_signals # noqa: F401
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return app
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celery = make_celery()
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