after checking out this thread
https://community.home-assistant.io/t/2024-5-tracking-down-instability-issues-caused-by-integrations/724441
i went down the “runaway template” option as i have quite a few and didn’t see any memory issues.
with some with renders of 59000 (starting at 4 on fresh boot), i assume this is runaway and in the high catagory and therefore likely cause.
seems weird as these have been working great for years and i have not changed any. but in interest of stablility i guess i can live without templates
2025-03-16 09:11:16.941 CRITICAL (SyncWorker_11) [homeassistant.components.profiler] RenderInfo object in memory: <RenderInfo Template<template=({{ '%0.1f' | format(states('sensor.main_power') | float(0) - states('sensor.load_power_tumble_dryer') | float(0) - states('sensor.load_power_comms_cabinet') | float(0) - states('sensor.coffee_machine_power') | float(0) - states('sensor.load_power_office_workstation') | float(0) - states('sensor.power_cooker_power') | float(0) - states('sensor.livingroom_tv_cabinet_power') | float(0) - states('sensor.office_ac_power') | float(0) - states('sensor.living_room_ac_power') | float(0) - states('sensor.washing_machine_power') | float(0) - states('sensor.load_power_fridge') | float(0))}}) renders=59400> all_states=False all_states_lifecycle=False domains=frozenset() domains_lifecycle=frozenset() entities=frozenset({'sensor.coffee_machine_power', 'sensor.load_power_fridge', 'sensor.washing_machine_power', 'sensor.load_power_tumble_dryer', 'sensor.load_power_office_workstation', 'sensor.main_power', 'sensor.load_power_comms_cabinet', 'sensor.power_cooker_power', 'sensor.livingroom_tv_cabinet_power', 'sensor.living_room_ac_power', 'sensor.office_ac_power'}) rate_limit=None has_time=False exception=None is_static=False>