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Performance increase with lots of recordings (#8525)

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* Performance increase with lots of recordings

* Formatting + review

* Update 020_update_index_recordings.py

Formatting

* Feedback + check fix

* Update 020_update_index_recordings.py
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tpjanssen 2023-11-08 00:18:26 +01:00 committed by GitHub
parent cc5357a31a
commit 3359123364
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4 changed files with 50 additions and 36 deletions
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40
frigate/http.py
View File

@ -115,7 +115,7 @@ def is_healthy():
@bp.route("/events/summary")
def events_summary():
tz_name = request.args.get("timezone", default="utc", type=str)
hour_modifier, minute_modifier = get_tz_modifiers(tz_name)
hour_modifier, minute_modifier, seconds_offset = get_tz_modifiers(tz_name)
has_clip = request.args.get("has_clip", type=int)
has_snapshot = request.args.get("has_snapshot", type=int)
@ -149,12 +149,7 @@ def events_summary():
Event.camera,
Event.label,
Event.sub_label,
fn.strftime(
"%Y-%m-%d",
fn.datetime(
Event.start_time, "unixepoch", hour_modifier, minute_modifier
),
),
(Event.start_time + seconds_offset).cast("int") / (3600 * 24),
Event.zones,
)
)
@ -995,7 +990,7 @@ def events():
if time_range != DEFAULT_TIME_RANGE:
# get timezone arg to ensure browser times are used
tz_name = request.args.get("timezone", default="utc", type=str)
hour_modifier, minute_modifier = get_tz_modifiers(tz_name)
hour_modifier, minute_modifier, _ = get_tz_modifiers(tz_name)
times = time_range.split(",")
time_after = times[0]
@ -1569,7 +1564,7 @@ def get_recordings_storage_usage():
@bp.route("/<camera_name>/recordings/summary")
def recordings_summary(camera_name):
tz_name = request.args.get("timezone", default="utc", type=str)
hour_modifier, minute_modifier = get_tz_modifiers(tz_name)
hour_modifier, minute_modifier, seconds_offset = get_tz_modifiers(tz_name)
recording_groups = (
Recordings.select(
fn.strftime(
@ -1583,22 +1578,8 @@ def recordings_summary(camera_name):
fn.SUM(Recordings.objects).alias("objects"),
)
.where(Recordings.camera == camera_name)
.group_by(
fn.strftime(
"%Y-%m-%d %H",
fn.datetime(
Recordings.start_time, "unixepoch", hour_modifier, minute_modifier
),
)
)
.order_by(
fn.strftime(
"%Y-%m-%d H",
fn.datetime(
Recordings.start_time, "unixepoch", hour_modifier, minute_modifier
),
).desc()
)
.group_by((Recordings.start_time + seconds_offset).cast("int") / 3600)
.order_by(Recordings.start_time.desc())
.namedtuples()
)
@ -1613,14 +1594,7 @@ def recordings_summary(camera_name):
fn.COUNT(Event.id).alias("count"),
)
.where(Event.camera == camera_name, Event.has_clip)
.group_by(
fn.strftime(
"%Y-%m-%d %H",
fn.datetime(
Event.start_time, "unixepoch", hour_modifier, minute_modifier
),
),
)
.group_by((Event.start_time + seconds_offset).cast("int") / 3600)
.namedtuples()
)

2
frigate/storage.py
View File

@ -35,7 +35,7 @@ class StorageMaintainer(threading.Thread):
if self.camera_storage_stats.get(camera, {}).get("needs_refresh", True):
self.camera_storage_stats[camera] = {
"needs_refresh": (
Recordings.select(fn.COUNT(Recordings.id))
Recordings.select(fn.COUNT("*"))
.where(Recordings.camera == camera, Recordings.segment_size > 0)
.scalar()
< 50

4
frigate/util/builtin.py
View File

@ -156,7 +156,7 @@ def load_labels(path, encoding="utf-8", prefill=91):
return labels
def get_tz_modifiers(tz_name: str) -> Tuple[str, str]:
def get_tz_modifiers(tz_name: str) -> Tuple[str, str, int]:
seconds_offset = (
datetime.datetime.now(pytz.timezone(tz_name)).utcoffset().total_seconds()
)
@ -164,7 +164,7 @@ def get_tz_modifiers(tz_name: str) -> Tuple[str, str]:
minutes_offset = int(seconds_offset / 60 - hours_offset * 60)
hour_modifier = f"{hours_offset} hour"
minute_modifier = f"{minutes_offset} minute"
return hour_modifier, minute_modifier
return hour_modifier, minute_modifier, seconds_offset
def to_relative_box(

40
migrations/020_update_index_recordings.py Normal file
View File

@ -0,0 +1,40 @@
"""Peewee migrations -- 020_update_index_recordings.py.
Some examples (model - class or model name)::
> Model = migrator.orm['model_name'] # Return model in current state by name
> migrator.sql(sql) # Run custom SQL
> migrator.python(func, *args, **kwargs) # Run python code
> migrator.create_model(Model) # Create a model (could be used as decorator)
> migrator.remove_model(model, cascade=True) # Remove a model
> migrator.add_fields(model, **fields) # Add fields to a model
> migrator.change_fields(model, **fields) # Change fields
> migrator.remove_fields(model, *field_names, cascade=True)
> migrator.rename_field(model, old_field_name, new_field_name)
> migrator.rename_table(model, new_table_name)
> migrator.add_index(model, *col_names, unique=False)
> migrator.drop_index(model, *col_names)
> migrator.add_not_null(model, *field_names)
> migrator.drop_not_null(model, *field_names)
> migrator.add_default(model, field_name, default)
"""
import peewee as pw
SQL = pw.SQL
def migrate(migrator, database, fake=False, **kwargs):
migrator.sql("DROP INDEX recordings_end_time_start_time")
migrator.sql(
'CREATE INDEX "recordings_camera_start_time_end_time" ON "recordings" ("camera", "start_time" DESC, "end_time" DESC)'
)
migrator.sql(
'CREATE INDEX "recordings_api_recordings_summary" ON "recordings" ("camera", "start_time" DESC, "duration", "motion", "objects")'
)
migrator.sql('CREATE INDEX "recordings_start_time" ON "recordings" ("start_time")')
def rollback(migrator, database, fake=False, **kwargs):
pass