39 lines
1.5 KiB
Python
39 lines
1.5 KiB
Python
import os
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bind = os.getenv("GUNICORN_BIND", "0.0.0.0:8080")
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workers = int(os.getenv("GUNICORN_WORKERS", "2")) # 2 workers for redundancy
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threads = int(os.getenv("GUNICORN_THREADS", "4"))
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worker_class = "gthread"
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# Timeout settings - critical for dashboard stability
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timeout = 65 # Worker timeout: must be > call_timeout (55s)
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graceful_timeout = 30 # Graceful shutdown timeout (enough for thread cleanup)
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keepalive = 5 # Keep-alive connections timeout
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# Worker lifecycle management - prevent state accumulation
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max_requests = 1000 # Restart worker after N requests
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max_requests_jitter = 100 # Random jitter to prevent simultaneous restarts
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# ============================================================
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# Worker Lifecycle Hooks
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# ============================================================
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def worker_exit(server, worker):
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"""Clean up background threads and database connections when worker exits."""
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# Stop background sync threads first
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try:
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from mes_dashboard.services.realtime_equipment_cache import (
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stop_equipment_status_sync_worker
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)
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stop_equipment_status_sync_worker()
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except Exception as e:
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server.log.warning(f"Error stopping equipment sync worker: {e}")
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# Then dispose database connections
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try:
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from mes_dashboard.core.database import dispose_engine
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dispose_engine()
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except Exception as e:
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server.log.warning(f"Error disposing database engine: {e}")
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