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Python dev container keeps getting high cpu usage
See original GitHub issueType: Bug
devcontainer.json:
{
"name": "Python-3.10.8",
"build": {
"dockerfile": "Dockerfile"
},
"extensions": [
"ms-python.python@2022.10.0",
"sourcery.sourcery@0.12.3",
"esbenp.prettier-vscode@9.8.0"
],
"remoteUser": "python"
}
Dockerfile:
FROM python:3.10.8
ARG USERNAME=python
ARG PASSWORD=alskdj
ARG DEBIAN_FRONTEND=noninteractive
USER root
RUN apt-get update -y && \
apt-get upgrade -y && \
apt-get install -y \
git \
vim
RUN useradd \
-u 1474 \
-p $(openssl passwd -1 $PASSWORD) \
-s /usr/bin/bash \
--create-home \
${USERNAME}
RUN usermod -aG sudo ${USERNAME} && \
echo "${USERNAME}:${PASSWORD}" | chpasswd
COPY .bashrc /home/${USERNAME}
COPY .ssh /home/${USERNAME}/.ssh
RUN chmod 400 /home/${USERNAME}/.ssh/id* /home/${USERNAME}/.ssh/config
RUN chown -R ${USERNAME}:${USERNAME} /home/${USERNAME}
USER ${USERNAME}
Opening this file with errors makes my CPU usage more than 100%:
from fastapi import FastAPI
from app.handlers.events.startup import startup
from app.routers.queue import get_queue_router
# TODO: how are dependencies cached?
# if we define a global dependency and call it elsewhere, is it cached?
def create_application() -> FastAPI:
app = FastAPI()
app.include_router(get_queue_router())
return app
_app = create_application()
# TODO: force singleton db to be created
@_app.on_event("startup") # type:ignore
def startup_handler() -> None:
startup()
# TODO: cleanup db
@_app.on_event("shutdown") # type:ignore
def shutdown_handler() -> None:
pass
@_app.get("/")
def root_handler() -> dict[str, str]:
return {"message": "Hello, world!"}
top output:
top - 19:50:15 up 11:08, 0 users, load average: 1.56, 1.43, 1.18
Tasks: 27 total, 2 running, 25 sleeping, 0 stopped, 0 zombie
%Cpu(s): 19.0 us, 2.0 sy, 0.0 ni, 79.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
MiB Mem : 15709.0 total, 3309.1 free, 3663.3 used, 8736.6 buff/cache
MiB Swap: 2048.0 total, 2048.0 free, 0.0 used. 11224.1 avail Mem
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
3196 python 20 0 1121188 380948 35040 R 100.3 2.4 5:53.82 node
210 python 20 0 779352 54404 32612 S 0.7 0.3 0:05.45 node
3129 python 20 0 1050156 183300 42564 S 0.7 1.1 1:49.27 node
3087 python 20 0 590008 46540 29788 S 0.3 0.3 0:00.76 node
1 python 20 0 2484 1484 1396 S 0.0 0.0 0:00.82 sh
133 python 20 0 2484 572 504 S 0.0 0.0 0:00.03 sh
145 python 20 0 618000 34392 27552 S 0.0 0.2 0:00.12 node
151 python 20 0 2484 572 504 S 0.0 0.0 0:00.03 sh
161 python 20 0 961660 104308 35256 S 0.0 0.6 1:01.02 node
1762 python 20 0 2484 576 508 S 0.0 0.0 0:00.02 sh
1807 python 20 0 618000 34644 27804 S 0.0 0.2 0:00.12 node
1883 python 20 0 2484 572 504 S 0.0 0.0 0:00.02 sh
2133 python 20 0 7132 4980 3292 S 0.0 0.0 0:00.01 bash
2893 python 20 0 2484 1656 1568 S 0.0 0.0 0:00.01 sh
2916 root 20 0 2484 508 444 S 0.0 0.0 0:00.02 sh
2949 python 20 0 2484 576 508 S 0.0 0.0 0:00.02 sh
3029 python 20 0 618000 34620 27776 S 0.0 0.2 0:00.13 node
3104 python 20 0 595956 52136 29716 S 0.0 0.3 0:04.38 node
3106 python 20 0 966316 43192 31900 S 0.0 0.3 0:00.44 node
3191 python 20 0 924340 252144 106708 S 0.0 1.6 1:01.39 sourcery
3247 python 20 0 2484 572 504 S 0.0 0.0 0:00.02 sh
9181 python 20 0 663732 60316 31792 S 0.0 0.4 0:00.76 node
Pylance stops working
VS Code version: Code 1.71.2 (74b1f979648cc44d385a2286793c226e611f59e7, 2022-09-14T21:12:14.256Z) OS version: Linux x64 5.15.0-50-generic Modes: Sandboxed: No Remote OS version: Linux x64 5.15.0-50-generic
System Info
| Item | Value |
|---|---|
| CPUs | Intel® Core™ i7-10510U CPU @ 1.80GHz (8 x 2300) |
| GPU Status | 2d_canvas: enabled canvas_oop_rasterization: disabled_off direct_rendering_display_compositor: disabled_off_ok gpu_compositing: enabled multiple_raster_threads: enabled_on opengl: enabled_on rasterization: enabled raw_draw: disabled_off_ok skia_renderer: enabled_on video_decode: disabled_software video_encode: disabled_software vulkan: disabled_off webgl: enabled webgl2: enabled webgpu: disabled_off |
| Load (avg) | 2, 1, 1 |
| Memory (System) | 15.34GB (10.98GB free) |
| Process Argv | . --crash-reporter-id 77a8fa93-6940-434f-9a12-36d9bb7a8bb4 |
| Screen Reader | no |
| VM | 0% |
| DESKTOP_SESSION | ubuntu |
| XDG_CURRENT_DESKTOP | Unity |
| XDG_SESSION_DESKTOP | ubuntu |
| XDG_SESSION_TYPE | x11 |
| Item | Value |
|---|---|
| Remote | Dev Container: Python-3.10.8 |
| OS | Linux x64 5.15.0-50-generic |
| CPUs | Intel® Core™ i7-10510U CPU @ 1.80GHz (8 x 2300) |
| Memory (System) | 15.34GB (10.99GB free) |
| VM | 0% |
Extensions (15)
| Extension | Author (truncated) | Version |
|---|---|---|
| endwise | kai | 1.5.1 |
| jupyter-keymap | ms- | 1.0.0 |
| remote-containers | ms- | 0.255.4 |
| remote-ssh | ms- | 0.90.1 |
| remote-ssh-edit | ms- | 0.84.0 |
| remote-wsl | ms- | 0.66.3 |
| vscode-remote-extensionpack | ms- | 0.21.0 |
| vscode-ruby | win | 0.28.0 |
| prettier-vscode | esb | 9.9.0 |
| python | ms- | 2022.16.1 |
| vscode-pylance | ms- | 2022.10.30 |
| jupyter | ms- | 2022.8.1002431955 |
| jupyter-keymap | ms- | 1.0.0 |
| jupyter-renderers | ms- | 1.0.9 |
| sourcery | sou | 0.12.11 |
A/B Experiments
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vscorecescf:30445987
pythondataviewer:30285071
vscod805:30301674
binariesv615:30325510
bridge0708:30335490
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cmake_vspar411:30581797
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Issue Analytics
- State:
- Created a year ago
- Comments:7 (2 by maintainers)
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@doublethink13 if this hasn’t happened since the latest updates I’m going to go ahead and close this issue. If it comes up again and appears to be Pylance, you can open an issue at https://github.com/microsoft/pylance-release .
If I was to disable Pylance, no, this wouldn’t happen.
Currently I’m on:
This has not happened again since upgrading.