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proactively cleanup cache in all retain modes

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This commit is contained in:
Blake Blackshear 2023-01-29 19:21:26 -06:00
parent 2dd10f38d6
commit 78aa07d0b8
1 changed files with 16 additions and 6 deletions
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22
frigate/record.py
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@ -100,12 +100,9 @@ class RecordingMaintainer(threading.Thread):
for camera in grouped_recordings.keys():
segment_count = len(grouped_recordings[camera])
if segment_count > keep_count:
retain_mode = self.config.cameras[camera].record.retain.mode
# this is only true when retain_mode is all. with other modes, segments are expected to age out.
if retain_mode == RetainModeEnum.all:
logger.warning(
f"Unable to keep up with recording segments in cache for {camera}. Keeping the {keep_count} most recent segments out of {segment_count} and discarding the rest..."
)
logger.warning(
f"Unable to keep up with recording segments in cache for {camera}. Keeping the {keep_count} most recent segments out of {segment_count} and discarding the rest..."
)
to_remove = grouped_recordings[camera][:-keep_count]
for f in to_remove:
cache_path = f["cache_path"]
@ -223,6 +220,19 @@ class RecordingMaintainer(threading.Thread):
cache_path,
record_mode,
)
# if it doesn't overlap with an event, go ahead and drop the segment
# if it ends more than the configured pre_capture for the camera
else:
pre_capture = self.config.cameras[
camera
].record.events.pre_capture
most_recently_processed_frame_time = self.recordings_info[
camera
][-1][0]
retain_cutoff = most_recently_processed_frame_time - pre_capture
if end_time.timestamp() < retain_cutoff:
Path(cache_path).unlink(missing_ok=True)
self.end_time_cache.pop(cache_path, None)
# else retain days includes this segment
else:
record_mode = self.config.cameras[camera].record.retain.mode