From 3164eef05916604a32e1d818de6cee8bd984eea7 Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@koston.org>
Date: Tue, 20 Apr 2021 06:16:17 -1000
Subject: [PATCH] Limit executor jobs during custom_components load to match
 non-custom behavior (#49451)

---
 homeassistant/loader.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/homeassistant/loader.py b/homeassistant/loader.py
index 492233d8bca..51bd0c2da1f 100644
--- a/homeassistant/loader.py
+++ b/homeassistant/loader.py
@@ -23,6 +23,7 @@ from homeassistant.generated.dhcp import DHCP
 from homeassistant.generated.mqtt import MQTT
 from homeassistant.generated.ssdp import SSDP
 from homeassistant.generated.zeroconf import HOMEKIT, ZEROCONF
+from homeassistant.util.async_ import gather_with_concurrency
 
 # Typing imports that create a circular dependency
 if TYPE_CHECKING:
@@ -128,13 +129,14 @@ async def _async_get_custom_components(
         get_sub_directories, custom_components.__path__
     )
 
-    integrations = await asyncio.gather(
+    integrations = await gather_with_concurrency(
+        MAX_LOAD_CONCURRENTLY,
         *(
             hass.async_add_executor_job(
                 Integration.resolve_from_root, hass, custom_components, comp.name
             )
             for comp in dirs
-        )
+        ),
     )
 
     return {