Explicitly set pandas dtype to reduce memory usage and fix warning (b…

…lakeblackshear#11145) * Explicitly set dtype to reduce memory usage and fix warning * remove extra line
guxiaoqi2007 · Apr 29, 2024 · 5858eee · 5858eee
1 parent 90468c8
commit 5858eee
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/frigate/api/review.py b/frigate/api/review.py
@@ -440,6 +440,7 @@ def motion_activity():
 
  # resample data using pandas to get activity on scaled basis
  df = pd.DataFrame(data, columns=["start_time", "motion", "camera"])
+ df = df.astype(dtype={"motion": "float16"})
 
  # set date as datetime index
  df["start_time"] = pd.to_datetime(df["start_time"], unit="s")
@@ -517,6 +518,7 @@ def audio_activity():
 
  # resample data using pandas to get activity on scaled basis
  df = pd.DataFrame(data, columns=["start_time", "audio"])
+ df = df.astype(dtype={"audio": "float16"})
 
  # set date as datetime index
  df["start_time"] = pd.to_datetime(df["start_time"], unit="s")