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proactively clean up cache when above 90% use

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Blake Blackshear 2021-02-04 08:00:23 -06:00
parent d6faa18adb
commit 9592d95599
1 changed files with 13 additions and 0 deletions
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13
frigate/events.py
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@ -10,6 +10,7 @@ from collections import defaultdict
from pathlib import Path
import psutil
import shutil
from frigate.config import FrigateConfig
from frigate.const import RECORD_DIR, CLIPS_DIR, CACHE_DIR
@ -98,6 +99,18 @@ class EventProcessor(threading.Thread):
logger.debug(f"Cleaning up cached file {f}")
os.remove(os.path.join(CACHE_DIR,f))
# if we are still using more than 90% of the cache, proactively cleanup
cache_usage = shutil.disk_usage("/tmp/cache")
if cache_usage.used/cache_usage.total > .9:
logger.warning("More than 90% of the cache is used.")
logger.warning("Consider increasing space available at /tmp/cache or reducing max_seconds in your clips config.")
logger.warning("Proactively cleaning up the cache...")
while cache_usage.used/cache_usage.total > .9:
oldest_clip = min(self.cached_clips.values(), key=lambda x:x['start_time'])
del self.cached_clips[oldest_clip['path']]
os.remove(os.path.join(CACHE_DIR,oldest_clip['path']))
cache_usage = shutil.disk_usage("/tmp/cache")
def create_clip(self, camera, event_data, pre_capture, post_capture):
# get all clips from the camera with the event sorted
sorted_clips = sorted([c for c in self.cached_clips.values() if c['camera'] == camera], key = lambda i: i['start_time'])