unarr/internal/cmd
Deivid Soto c82826bf68
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fix(trickplay): stop scan-time sprite generation from saturating the host
Trickplay sprite generation (one full-decode ffmpeg pass per file) could pin a
machine: multiple agents on the same library decoded the same 4K file at once, no
CPU throttling, and crashed/restarted agents orphaned ffmpeg to init (it ran the
full 45-min decode to completion). Stacked orphans spiked a box to load ~140.

- Single-flight lock: O_CREATE|O_EXCL .lock in the shared sidecar dir so two
  agents watching the same library never decode the same file twice (stale locks
  reclaimed after a TTL). Returns ErrTrickplayInProgress → prewarm skips, not fail.
- Load gate: defer the heavy decode until 1-min load ≤ max(ratio×NumCPU, 1.5),
  capped at 15 min so it throttles without ever becoming a permanent off-switch on
  busy / small hosts. New knob library.prewarm_max_load_ratio (default 0.7).
- Concurrency: trickSem caps trickplay to ONE decode at a time per agent.
- CPU priority: setLowCPUPriority (nice 19) alongside the existing idle ionice.
- No orphans: hardenCmd sets Setpgid + Pdeathsig=SIGKILL, with runtime.LockOSThread
  around the child so the kernel kills ffmpeg exactly when the agent dies (and not
  spuriously — golang/go#27505).

Tests: single-flight/stale-reclaim, load-gate immediate/cancel, and an e2e
Pdeathsig orphan-kill check.
2026-06-04 08:25:00 +02:00
..
agent_client.go feat(agent): add mirror failover, agent client refactor, status 401 detection 2026-05-15 16:26:43 +02:00
auth_browser.go feat(init): add 60s countdown, skip key, and cancel detection to browser auth 2026-03-30 14:07:57 +02:00
auth_browser_test.go feat(auth): browser-based CLI authentication (like Claude Code) 2026-03-29 17:53:18 +02:00
clean.go fix(lint): use default:none to disable errcheck, fix all gofmt and exhaustive 2026-03-31 00:29:16 +02:00
clean_test.go fix(lint): use default:none to disable errcheck, fix all gofmt and exhaustive 2026-03-31 00:29:16 +02:00
completion.go docs: improve CLI help, shell completion, and README 2026-03-28 21:36:27 +01:00
completion_helpers.go docs: improve CLI help, shell completion, and README 2026-03-28 21:36:27 +01:00
config_menu.go feat(stream): cache scan-time thumbnail frames to the .unarr sidecar 2026-06-02 09:20:00 +02:00
config_menu_test.go feat(cli): upgrade command, rich status, and version cache 2026-03-31 22:05:43 +02:00
daemon.go fix(trickplay): stop scan-time sprite generation from saturating the host 2026-06-04 08:25:00 +02:00
daemon_control.go refactor(sentry): decouple agent import via string-match, rename predicate 2026-05-27 17:03:26 +02:00
daemon_install.go feat(daemon): enhance service management with start, stop, restart, and status commands for Windows 2026-04-10 19:18:13 +02:00
daemon_test.go test: add comprehensive test suite for engine, agent and cmd packages 2026-04-08 23:36:00 +02:00
doctor.go chore: rename module from torrentclaw-cli to unarr 2026-03-30 13:06:07 +02:00
doctor_unix.go docs: improve CLI help, shell completion, and README 2026-03-28 21:36:27 +01:00
doctor_windows.go docs: improve CLI help, shell completion, and README 2026-03-28 21:36:27 +01:00
download.go feat(seeding): wire seed ratio/time lifecycle into the torrent daemon 2026-06-01 10:30:39 +02:00
download_test.go test: add comprehensive test suite for engine, agent and cmd packages 2026-04-08 23:36:00 +02:00
funnel.go feat(funnel): cloudflare quick tunnel embedded subprocess (0.9.5) 2026-05-26 20:39:57 +02:00
helpers.go fix(security): CORS allowlist, URL scheme guard, state perms, ZIP slip, mirror docs 2026-05-15 18:48:59 +02:00
helpers_test.go fix(security): CORS allowlist, URL scheme guard, state perms, ZIP slip, mirror docs 2026-05-15 18:48:59 +02:00
init.go feat(cli): add login command and refactor shared helpers 2026-04-01 12:20:51 +02:00
inspect.go chore: rename module from torrentclaw-cli to unarr 2026-03-30 13:06:07 +02:00
login.go feat(cli): add login command and refactor shared helpers 2026-04-01 12:20:51 +02:00
migrate.go chore: rename module from torrentclaw-cli to unarr 2026-03-30 13:06:07 +02:00
mirrors.go feat(agent): add mirror failover, agent client refactor, status 401 detection 2026-05-15 16:26:43 +02:00
player_session_registry.go feat(stream): GPU HDR tonemap via libplacebo 2026-06-03 09:29:55 +02:00
popular.go chore: rename module from torrentclaw-cli to unarr 2026-03-30 13:06:07 +02:00
probe_hwaccel.go feat(stream)!: retire WebRTC, HLS-only, bump 0.9.4 2026-05-26 18:04:35 +02:00
recent.go chore: rename module from torrentclaw-cli to unarr 2026-03-30 13:06:07 +02:00
reload_unix.go refactor(sentry): decouple agent import via string-match, rename predicate 2026-05-27 17:03:26 +02:00
reload_windows.go feat(daemon): enhance service management with start, stop, restart, and status commands for Windows 2026-04-10 19:18:13 +02:00
relocate_test.go feat(library): content fingerprint + path-resilient sync + stream self-heal 2026-06-03 12:08:58 +02:00
root.go feat(agent): give the public API client mirror failover 2026-06-01 15:53:00 +02:00
scan.go fix(trickplay): stop scan-time sprite generation from saturating the host 2026-06-04 08:25:00 +02:00
search.go chore: rename module from torrentclaw-cli to unarr 2026-03-30 13:06:07 +02:00
self_update.go fix(security): UPnP opt-in, bounded SSE reader, signed self-update 2026-05-15 17:29:22 +02:00
stats.go chore: rename module from torrentclaw-cli to unarr 2026-03-30 13:06:07 +02:00
status.go feat(agent): add mirror failover, agent client refactor, status 401 detection 2026-05-15 16:26:43 +02:00
stream.go test: add comprehensive test suite for engine, agent and cmd packages 2026-04-08 23:36:00 +02:00
stream_handler.go feat(stream): debrid passthrough for mode=stream tasks (external players) 2026-06-03 22:43:43 +02:00
stream_test.go test: add comprehensive test suite for engine, agent and cmd packages 2026-04-08 23:36:00 +02:00
upgrade.go fix(security): UPnP opt-in, bounded SSE reader, signed self-update 2026-05-15 17:29:22 +02:00
version.go feat(stream): debrid passthrough for mode=stream tasks (external players) 2026-06-03 22:43:43 +02:00
version_cmd.go docs: improve CLI help, shell completion, and README 2026-03-28 21:36:27 +01:00
vpn.go feat(vpn): unarr vpn command + report/arbitrate the WireGuard slot 2026-05-22 08:33:02 +02:00
watch.go chore: rename module from torrentclaw-cli to unarr 2026-03-30 13:06:07 +02:00