Add log message when discarding recording segments in cache (#3439)

* Add log message when discarding recording segments in cache

Currently Frigate silently discards recording segments in cache if there's more than "keep_count" for a camera, which can happen on high load/busy/slow systems.
This results in recording segments being lost with no apparent cause in the logs (even when set to debug).
This PR adds a warning log entry when discarding segments, in the same way as discarding corrupted segments

* Add explanatory warning and properly format cache_path warning

* lint fixes

Co-authored-by: Blake Blackshear <blakeb@blakeshome.com>
This commit is contained in:
deviant77 2022-07-19 13:24:44 +01:00 committed by GitHub
parent dfbebb63ff
commit ed1897db71
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@ -99,11 +99,17 @@ class RecordingMaintainer(threading.Thread):
# delete all cached files past the most recent 5
keep_count = 5
for camera in grouped_recordings.keys():
if len(grouped_recordings[camera]) > keep_count:
segment_count = len(grouped_recordings[camera])
if segment_count > keep_count:
logger.warning(
f"Too many recording segments in cache for {camera}. Keeping the {keep_count} most recent segments out of {segment_count}, discarding the rest..."
)
to_remove = grouped_recordings[camera][:-keep_count]
for f in to_remove:
Path(f["cache_path"]).unlink(missing_ok=True)
self.end_time_cache.pop(f["cache_path"], None)
cache_path = f["cache_path"]
logger.warning(f"Discarding a recording segment: {cache_path}")
Path(cache_path).unlink(missing_ok=True)
self.end_time_cache.pop(cache_path, None)
grouped_recordings[camera] = grouped_recordings[camera][-keep_count:]
for camera, recordings in grouped_recordings.items():