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Limit concurrency of async_get_integration to avoid creating extra threads (#43085)

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* Limit concurrency of async_get_integration to avoid creating extra threads

Since async_get_integration is waiting on the disk most of the time
it would end up creating many new threads because the disk could
not deliver the data in time.

* pylint
This commit is contained in:
J. Nick Koston 2020-11-10 21:34:54 -10:00 • committed by GitHub
parent 518e462e9a
commit 94bf55e29b
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GPG key ID: 4AEE18F83AFDEB23
6 changed files with 68 additions and 9 deletions
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6
homeassistant/bootstrap.py
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@ -28,6 +28,7 @@ from homeassistant.setup import (
async_set_domains_to_be_loaded,
async_setup_component,
)
from homeassistant.util.async_ import gather_with_concurrency
from homeassistant.util.logging import async_activate_log_queue_handler
from homeassistant.util.package import async_get_user_site, is_virtual_env
from homeassistant.util.yaml import clear_secret_cache
@ -49,6 +50,8 @@ STAGE_2_TIMEOUT = 300
WRAP_UP_TIMEOUT = 300
COOLDOWN_TIME = 60
MAX_LOAD_CONCURRENTLY = 6
DEBUGGER_INTEGRATIONS = {"debugpy", "ptvsd"}
CORE_INTEGRATIONS = ("homeassistant", "persistent_notification")
LOGGING_INTEGRATIONS = {
@ -442,7 +445,8 @@ async def _async_set_up_integrations(
integrations_to_process = [
int_or_exc
for int_or_exc in await asyncio.gather(
for int_or_exc in await gather_with_concurrency(
loader.MAX_LOAD_CONCURRENTLY,
*(
loader.async_get_integration(hass, domain)
for domain in old_to_resolve