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Fix less-then-frame off by one slice, add db write toggle and disable

incr_update_backup
Tyler Goodlet 2022-05-06 13:09:30 -04:00
parent d9e2666e80
commit 8c1905e35a
1 changed files with 12 additions and 6 deletions
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18
piker/data/feed.py
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@ -223,10 +223,13 @@ def diff_history(
s_diff < 0
and abs(s_diff) < len(array)
):
# the + 1 is because ``last_tsdb_dt`` is pulled from
# the last row entry for the ``'time'`` field retreived
# from the tsdb.
to_push = array[abs(s_diff)+1:]
log.info(
f'Pushing partial frame {to_push.size} to shm'
)
to_push = array[abs(s_diff):]
return to_push
@ -238,6 +241,7 @@ async def start_backfill(
last_tsdb_dt: Optional[datetime] = None,
storage: Optional[Storage] = None,
write_tsdb: bool = False,
task_status: TaskStatus[trio.CancelScope] = trio.TASK_STATUS_IGNORED,
@ -285,7 +289,7 @@ async def start_backfill(
# based on the sample step size load a certain amount
# history
if step_size_s == 1:
last_tsdb_dt = pendulum.now().subtract(days=6)
last_tsdb_dt = pendulum.now().subtract(days=2)
elif step_size_s == 60:
last_tsdb_dt = pendulum.now().subtract(years=2)
@ -368,7 +372,7 @@ async def start_backfill(
except NoData:
log.warning(
f'NO DATA for {frame_size_s}s frame @ {end_dt} ?!?'
f'NO DATA for {frame_size_s}s frame @ {input_end_dt} ?!?'
)
return None # discard signal
@ -425,10 +429,9 @@ async def start_backfill(
# gen already terminated meaning we probably already
# exhausted it via frame requests.
log.info(
f"Datetime index already exhausted, can't reset.."
"Datetime index already exhausted, can't reset.."
)
to_push = diff_history(
array,
start_dt,
@ -557,7 +560,10 @@ async def start_backfill(
# frame-result order.
earliest_end_dt = start_dt
if storage is not None:
if (
storage is not None
and write_tsdb
):
log.info(
f'Writing {ln} frame to storage:\n'
f'{start_dt} -> {end_dt}'