administrator/frigate
1
0
Fork 0
mirror of https://github.com/blakeblackshear/frigate.git synced 2026-02-17 00:25:23 +03:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

Fix shm docs

Browse Source
This commit is contained in:
Nicolas Mowen 2024-11-04 06:57:02 -07:00
parent a6fd56ca74
commit 4b0f35f1c4
2 changed files with 9 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
docs/docs/frigate/installation.md
View File

@ -81,15 +81,15 @@ You can calculate the **minimum** shm size for each camera with the following fo
```console ```console
# Replace <width> and <height> # Replace <width> and <height>
$ python -c 'print("{:.2f}MB".format((<width> * <height> * 1.5 * 10 + 270480) / 1048576))' $ python -c 'print("{:.2f}MB".format((<width> * <height> * 1.5 * 20 + 270480) / 1048576))'
# Example for 1280x720 # Example for 1280x720, including logs
$ python -c 'print("{:.2f}MB".format((1280 * 720 * 1.5 * 10 + 270480) / 1048576))' $ python -c 'print("{:.2f}MB".format((1280 * 720 * 1.5 * 20 + 270480) / 1048576)) + 40'
13.44MB 46.63MB
# Example for eight cameras detecting at 1280x720, including logs # Example for eight cameras detecting at 1280x720, including logs
$ python -c 'print("{:.2f}MB".format(((1280 * 720 * 1.5 * 10 + 270480) / 1048576) * 8 + 40))' $ python -c 'print("{:.2f}MB".format(((1280 * 720 * 1.5 * 20 + 270480) / 1048576) * 8 + 40))'
136.99MB 253MB
``` ```
The shm size cannot be set per container for Home Assistant add-ons. However, this is probably not required since by default Home Assistant Supervisor allocates `/dev/shm` with half the size of your total memory. If your machine has 8GB of memory, chances are that Frigate will have access to up to 4GB without any additional configuration. The shm size cannot be set per container for Home Assistant add-ons. However, this is probably not required since by default Home Assistant Supervisor allocates `/dev/shm` with half the size of your total memory. If your machine has 8GB of memory, chances are that Frigate will have access to up to 4GB without any additional configuration.
@ -194,7 +194,7 @@ services:
privileged: true # this may not be necessary for all setups privileged: true # this may not be necessary for all setups
restart: unless-stopped restart: unless-stopped
image: ghcr.io/blakeblackshear/frigate:stable image: ghcr.io/blakeblackshear/frigate:stable
shm_size: "64mb" # update for your cameras based on calculation above shm_size: "512mb" # update for your cameras based on calculation above
devices: devices:
- /dev/bus/usb:/dev/bus/usb # Passes the USB Coral, needs to be modified for other versions - /dev/bus/usb:/dev/bus/usb # Passes the USB Coral, needs to be modified for other versions
- /dev/apex_0:/dev/apex_0 # Passes a PCIe Coral, follow driver instructions here https://coral.ai/docs/m2/get-started/#2a-on-linux - /dev/apex_0:/dev/apex_0 # Passes a PCIe Coral, follow driver instructions here https://coral.ai/docs/m2/get-started/#2a-on-linux

4
frigate/app.py
View File

@ -521,9 +521,9 @@ class FrigateApp:
f"Calculated total camera size {available_shm} / {cam_total_frame_size} :: {shm_frame_count} frames for each camera in SHM" f"Calculated total camera size {available_shm} / {cam_total_frame_size} :: {shm_frame_count} frames for each camera in SHM"
) )
if shm_frame_count < 10: if shm_frame_count < 20:
logger.warning( logger.warning(
f"The current SHM size of {total_shm}MB is too small, recommend increasing it to at least {round(min_req_shm + cam_total_frame_size * 10)}MB." f"The current SHM size of {total_shm}MB is too small, recommend increasing it to at least {round(min_req_shm + cam_total_frame_size * 20)}MB."
) )
return shm_frame_count return shm_frame_count