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Add warning for below suggested SHM calculation (#5312)

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* Add warning for below suggested SHM calculation

* Remove debug check

* Make names more clear

* Fix

* fix log
This commit is contained in:
Nicolas Mowen 2023-01-30 16:42:23 -07:00 committed by GitHub
parent 7a7e30e1ff
commit 7edeaa3407
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1 changed files with 18 additions and 0 deletions
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18
frigate/app.py
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@ -3,6 +3,7 @@ import multiprocessing as mp
from multiprocessing.queues import Queue
from multiprocessing.synchronize import Event as MpEvent
import os
import shutil
import signal
import sys
from typing import Optional
@ -329,6 +330,22 @@ class FrigateApp:
self.frigate_watchdog = FrigateWatchdog(self.detectors, self.stop_event)
self.frigate_watchdog.start()
def check_shm(self) -> None:
available_shm = round(shutil.disk_usage("/dev/shm").total / 1000000, 1)
min_req_shm = 30
for _, camera in self.config.cameras.items():
min_req_shm += round(
(camera.detect.width * camera.detect.height * 1.5 * 9 + 270480)
/ 1048576,
1,
)
if available_shm < min_req_shm:
logger.warning(
f"The current SHM size of {available_shm}MB is too small, recommend increasing it to at least {min_req_shm}MB."
)
def start(self) -> None:
self.init_logger()
logger.info(f"Starting Frigate ({VERSION})")
@ -377,6 +394,7 @@ class FrigateApp:
self.start_recording_cleanup()
self.start_stats_emitter()
self.start_watchdog()
self.check_shm()
# self.zeroconf = broadcast_zeroconf(self.config.mqtt.client_id)
def receiveSignal(signalNumber: int, frame: Optional[FrameType]) -> None: