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Browse files- keep_alive.py +76 -39
keep_alive.py
CHANGED
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@@ -2,12 +2,12 @@
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HuggingFace Spaces Keep-Alive Pinger
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HuggingFace Spaces๋ ์ผ์ ์๊ฐ ์์ฒญ์ด ์์ผ๋ฉด Sleep ๋ชจ๋๋ก ์ ํ๋ฉ๋๋ค.
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์ด ๋ชจ๋์ 5๋ถ
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@module keep_alive
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@description
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-
- 5๋ถ(300์ด) ์ฃผ๊ธฐ๋ก ์๊ธฐ ์์ ์ /health ์๋ํฌ์ธํธ ํธ์ถ
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-
- OSRM
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- asyncio ๋ฐฑ๊ทธ๋ผ์ด๋ ํ์คํฌ๋ก ์คํ
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- ์๋ฌ ๋ฐ์ ์์๋ ๊ณ์ ์คํ (๋ฌดํ ๋ฃจํ)
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- ๋ก๊น
์ ํตํ ์ํ ๋ชจ๋ํฐ๋ง
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@@ -43,12 +43,15 @@ _OSRM_SELF_HOSTED = "router.project-osrm.org" not in _OSRM_BASE_URL
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# ๊ฒฝ๋ OSRM ping: ์ ์ฃผ ์ ์ ๊ทผ์ฒ ์งง์ ๊ฒฝ๋ก ์์ฒญ
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_OSRM_PING_URL = f"{_OSRM_BASE_URL}/route/v1/foot/126.3397,33.4627;126.3450,33.4630" if _OSRM_SELF_HOSTED else None
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# Keep-alive ์ค์
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PING_INTERVAL_SECONDS = 300 # 5๋ถ
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PING_TIMEOUT_SECONDS = 10 # ์์ฒญ ํ์์์
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OSRM_PING_TIMEOUT_SECONDS = 30 # OSRM์ cold start ์ ๋ ์ค๋ ๊ฑธ๋ฆผ
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MAX_CONSECUTIVE_FAILURES = 10 # ์ต๋ ์ฐ์ ์คํจ ํ์ฉ (๋ก๊น
์ฉ)
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# ์ํ ์ถ์ - Backend
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_ping_task: Optional[asyncio.Task] = None
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_consecutive_failures: int = 0
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@@ -177,18 +180,13 @@ async def ping_osrm() -> bool:
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async def keep_alive_loop():
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"""
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5๋ถ๋ง๋ค
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-
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- ๋ฌดํ ๋ฃจํ๋ก ์คํ
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- ์๋ฌ๊ฐ ๋ฐ์ํด๋ ๊ณ์ ์คํ
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- ์ฐ์ ์คํจ ์ ๊ฒฝ๊ณ ๋ก๊ทธ
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"""
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global _consecutive_failures
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osrm_status = f", osrm={_OSRM_PING_URL}" if _OSRM_PING_URL else ""
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logger.info(
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f"[keep-alive] Starting
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f"url={HF_SPACE_URL}, interval={PING_INTERVAL_SECONDS}s
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)
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# ์ฒซ ping์ ์๋ฒ ์์ ํ 1๋ถ ๋ค์ ์คํ (์์ ํ ์ค๋น๋ ๋๊น์ง ๋๊ธฐ)
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@@ -196,18 +194,47 @@ async def keep_alive_loop():
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while True:
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try:
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tasks = [ping_self()]
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if _OSRM_PING_URL:
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tasks.append(ping_osrm())
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await asyncio.gather(*tasks)
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# ์ฐ์ ์คํจ ๊ฒฝ๊ณ
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if _consecutive_failures >= MAX_CONSECUTIVE_FAILURES:
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logger.error(
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f"[keep-alive] {_consecutive_failures} consecutive failures. "
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f"Service may be unhealthy."
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)
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if _osrm_consecutive_failures >= MAX_CONSECUTIVE_FAILURES:
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logger.error(
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f"[keep-alive:osrm] {_osrm_consecutive_failures} consecutive failures. "
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@@ -215,53 +242,62 @@ async def keep_alive_loop():
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)
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except asyncio.CancelledError:
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logger.info("[keep-alive]
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raise
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except Exception as e:
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-
# ์์์น ๋ชปํ ์๋ฌ๋ ๋ฌด์ํ๊ณ ๊ณ์ ์คํ
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logger.error(
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f"[keep-alive] Loop error (will continue): "
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f"{type(e).__name__}: {str(e)[:100]}"
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)
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-
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-
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def start_keep_alive_task() -> asyncio.Task:
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"""
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Keep-alive ๋ฐฑ๊ทธ๋ผ์ด๋ ํ์คํฌ๋ฅผ ์์ํฉ๋๋ค.
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Returns:
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asyncio.Task:
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"""
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global _ping_task
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if _ping_task is not None and not _ping_task.done():
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logger.warning("[keep-alive] Task already running")
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return _ping_task
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_ping_task = asyncio.create_task(keep_alive_loop())
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logger.info("[keep-alive]
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return _ping_task
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async def stop_keep_alive_task():
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"""
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-
Keep-alive ํ์คํฌ๋ฅผ ์ค์งํฉ๋๋ค.
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"""
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global _ping_task
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_ping_task = None
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def get_keep_alive_stats() -> dict:
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@@ -274,7 +310,7 @@ def get_keep_alive_stats() -> dict:
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stats = {
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"enabled": _ping_task is not None and not _ping_task.done(),
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"target_url": HF_SPACE_URL,
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"interval_seconds": PING_INTERVAL_SECONDS,
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"total_pings": _total_pings,
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"successful_pings": _successful_pings,
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"success_rate": round(_successful_pings / _total_pings * 100, 2) if _total_pings > 0 else 0,
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@@ -283,8 +319,9 @@ def get_keep_alive_stats() -> dict:
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if _OSRM_SELF_HOSTED:
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stats["osrm"] = {
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"enabled":
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"target_url": _OSRM_BASE_URL,
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"total_pings": _osrm_total_pings,
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"successful_pings": _osrm_successful_pings,
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"success_rate": round(_osrm_successful_pings / _osrm_total_pings * 100, 2) if _osrm_total_pings > 0 else 0,
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HuggingFace Spaces Keep-Alive Pinger
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HuggingFace Spaces๋ ์ผ์ ์๊ฐ ์์ฒญ์ด ์์ผ๋ฉด Sleep ๋ชจ๋๋ก ์ ํ๋ฉ๋๋ค.
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์ด ๋ชจ๋์ Backend(5๋ถ) + OSRM Space(30๋ถ) ์ฃผ๊ธฐ๋ก pingํ์ฌ Cold Start๋ฅผ ๋ฐฉ์งํฉ๋๋ค.
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@module keep_alive
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@description
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+
- Backend: 5๋ถ(300์ด) ์ฃผ๊ธฐ๋ก ์๊ธฐ ์์ ์ /health ์๋ํฌ์ธํธ ํธ์ถ
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- OSRM: 30๋ถ(1800์ด) ์ฃผ๊ธฐ๋ก ๊ฒฝ๋ ๊ฒฝ๋ก ์์ฒญ (HF sleep ํ์์์ 48์๊ฐ ๋๋น ์ถฉ๋ถ)
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- asyncio ๋ฐฑ๊ทธ๋ผ์ด๋ ํ์คํฌ๋ก ์คํ
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- ์๋ฌ ๋ฐ์ ์์๋ ๊ณ์ ์คํ (๋ฌดํ ๋ฃจํ)
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- ๋ก๊น
์ ํตํ ์ํ ๋ชจ๋ํฐ๋ง
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# ๊ฒฝ๋ OSRM ping: ์ ์ฃผ ์ ์ ๊ทผ์ฒ ์งง์ ๊ฒฝ๋ก ์์ฒญ
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_OSRM_PING_URL = f"{_OSRM_BASE_URL}/route/v1/foot/126.3397,33.4627;126.3450,33.4630" if _OSRM_SELF_HOSTED else None
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# Keep-alive ์ค์ - Backend
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PING_INTERVAL_SECONDS = 300 # 5๋ถ (์ฌ์ฉ์ ์๋ต ์๋ ์ ์ง)
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PING_TIMEOUT_SECONDS = 10 # ์์ฒญ ํ์์์
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MAX_CONSECUTIVE_FAILURES = 10 # ์ต๋ ์ฐ์ ์คํจ ํ์ฉ (๋ก๊น
์ฉ)
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# Keep-alive ์ค์ - OSRM (HF sleep ํ์์์ 48์๊ฐ์ด๋ฏ๋ก 30๋ถ์ด๋ฉด ์ถฉ๋ถ)
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OSRM_PING_INTERVAL_SECONDS = 1800 # 30๋ถ
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OSRM_PING_TIMEOUT_SECONDS = 30 # OSRM์ cold start ์ ๋ ์ค๋ ๊ฑธ๋ฆผ
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# ์ํ ์ถ์ - Backend
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_ping_task: Optional[asyncio.Task] = None
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_consecutive_failures: int = 0
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async def keep_alive_loop():
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"""
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5๋ถ๋ง๋ค Backend self-ping. HuggingFace Spaces sleep ๋ฐฉ์ง.
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"""
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global _consecutive_failures
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logger.info(
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f"[keep-alive] Starting backend pinger. "
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f"url={HF_SPACE_URL}, interval={PING_INTERVAL_SECONDS}s"
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)
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# ์ฒซ ping์ ์๋ฒ ์์ ํ 1๋ถ ๋ค์ ์คํ (์์ ํ ์ค๋น๋ ๋๊น์ง ๋๊ธฐ)
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while True:
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try:
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await ping_self()
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if _consecutive_failures >= MAX_CONSECUTIVE_FAILURES:
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logger.error(
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f"[keep-alive] {_consecutive_failures} consecutive failures. "
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f"Service may be unhealthy."
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)
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except asyncio.CancelledError:
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logger.info("[keep-alive] Backend keep-alive task cancelled")
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raise
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except Exception as e:
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logger.error(
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f"[keep-alive] Loop error (will continue): "
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f"{type(e).__name__}: {str(e)[:100]}"
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)
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await asyncio.sleep(PING_INTERVAL_SECONDS)
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async def osrm_keep_alive_loop():
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"""
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30๋ถ๋ง๋ค OSRM Space ping. HF sleep ํ์์์(48์๊ฐ) ๋๋น ์ถฉ๋ถํ ๊ฐ๊ฒฉ.
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์์ฒด ํธ์คํ
OSRM์ด ์๋๋ฉด ์ฆ์ ์ข
๋ฃ.
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"""
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if not _OSRM_PING_URL:
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return
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logger.info(
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f"[keep-alive:osrm] Starting OSRM pinger. "
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f"url={_OSRM_BASE_URL}, interval={OSRM_PING_INTERVAL_SECONDS}s (30min)"
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)
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# OSRM warmup์ server.py์์ ์ฒ๋ฆฌํ๋ฏ๋ก ์ฌ๊ธฐ์ 30๋ถ ๋ค ์ฒซ ping
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await asyncio.sleep(OSRM_PING_INTERVAL_SECONDS)
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while True:
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try:
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await ping_osrm()
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if _osrm_consecutive_failures >= MAX_CONSECUTIVE_FAILURES:
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logger.error(
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f"[keep-alive:osrm] {_osrm_consecutive_failures} consecutive failures. "
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)
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except asyncio.CancelledError:
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logger.info("[keep-alive:osrm] OSRM keep-alive task cancelled")
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raise
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except Exception as e:
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logger.error(
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f"[keep-alive:osrm] Loop error (will continue): "
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f"{type(e).__name__}: {str(e)[:100]}"
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)
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await asyncio.sleep(OSRM_PING_INTERVAL_SECONDS)
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_osrm_ping_task: Optional[asyncio.Task] = None
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def start_keep_alive_task() -> asyncio.Task:
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"""
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Keep-alive ๋ฐฑ๊ทธ๋ผ์ด๋ ํ์คํฌ๋ฅผ ์์ํฉ๋๋ค.
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Backend(5๋ถ) + OSRM(30๋ถ) ๋ณ๋ ๋ฃจํ๋ก ์คํ.
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Returns:
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asyncio.Task: Backend ํ์คํฌ ๊ฐ์ฒด
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"""
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global _ping_task, _osrm_ping_task
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if _ping_task is not None and not _ping_task.done():
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logger.warning("[keep-alive] Task already running")
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return _ping_task
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_ping_task = asyncio.create_task(keep_alive_loop())
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logger.info("[keep-alive] Backend background task started (5min interval)")
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if _OSRM_PING_URL and (_osrm_ping_task is None or _osrm_ping_task.done()):
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_osrm_ping_task = asyncio.create_task(osrm_keep_alive_loop())
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logger.info("[keep-alive:osrm] OSRM background task started (30min interval)")
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return _ping_task
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async def stop_keep_alive_task():
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"""
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Keep-alive ํ์คํฌ๋ฅผ ๋ชจ๋ ์ค์งํฉ๋๋ค.
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"""
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global _ping_task, _osrm_ping_task
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for name, task in [("backend", _ping_task), ("osrm", _osrm_ping_task)]:
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if task is not None and not task.done():
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task.cancel()
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try:
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await task
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except asyncio.CancelledError:
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pass
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logger.info(f"[keep-alive] {name} task stopped")
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_ping_task = None
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_osrm_ping_task = None
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def get_keep_alive_stats() -> dict:
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stats = {
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"enabled": _ping_task is not None and not _ping_task.done(),
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"target_url": HF_SPACE_URL,
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"interval_seconds": PING_INTERVAL_SECONDS, # 5๋ถ
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"total_pings": _total_pings,
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"successful_pings": _successful_pings,
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"success_rate": round(_successful_pings / _total_pings * 100, 2) if _total_pings > 0 else 0,
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if _OSRM_SELF_HOSTED:
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stats["osrm"] = {
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"enabled": _osrm_ping_task is not None and not _osrm_ping_task.done(),
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"target_url": _OSRM_BASE_URL,
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"interval_seconds": OSRM_PING_INTERVAL_SECONDS, # 30๋ถ
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"total_pings": _osrm_total_pings,
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"successful_pings": _osrm_successful_pings,
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"success_rate": round(_osrm_successful_pings / _osrm_total_pings * 100, 2) if _osrm_total_pings > 0 else 0,
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