kill leaves orphaned children

Author: awronskiCreated May 16, 2018Updated Mar 4, 2026

Version: 3.3.1, Ubuntu 18.04

Configuration:

[program:xapi]
command=/usr/bin/npm run start
directory=/opt/nodeapps/xapi
user=nodejs
autostart=true
autorestart=true
startsecs=25
startretries=3
stopasgroup=true
killasgroup=true
stopwaitsecs=10

Process tree after start:

8307 nodejs     20   0 1098M 41928 25772 S  0.0  0.0  0:00.21 │  ├─ npm
8317 nodejs     20   0  4632   928   856 S  0.0  0.0  0:00.00 │  │  ├─ sh -c node -r dotenv/config dist/index.js
8318 nodejs     20   0  866M 38548 24768 S  0.0  0.0  0:00.16 │  │  │  └─ node -r dotenv/config dist/index.js
8323 nodejs     20   0  866M 38548 24768 S  0.0  0.0  0:00.00 │  │  │     ├─ node -r dotenv/config dist/index.js
8322 nodejs     20   0  866M 38548 24768 S  0.0  0.0  0:00.00 │  │  │     ├─ node -r dotenv/config dist/index.js
8321 nodejs     20   0  866M 38548 24768 S  0.0  0.0  0:00.00 │  │  │     ├─ node -r dotenv/config dist/index.js
8320 nodejs     20   0  866M 38548 24768 S  0.0  0.0  0:00.00 │  │  │     ├─ node -r dotenv/config dist/index.js
8319 nodejs     20   0  866M 38548 24768 S  0.0  0.0  0:00.00 │  │  │     └─ node -r dotenv/config dist/index.js
8316 nodejs     20   0 1098M 41928 25772 S  0.0  0.0  0:00.00 │  │  ├─ npm
8315 nodejs     20   0 1098M 41928 25772 S  0.0  0.0  0:00.00 │  │  ├─ npm
8314 nodejs     20   0 1098M 41928 25772 S  0.0  0.0  0:00.00 │  │  ├─ npm
8313 nodejs     20   0 1098M 41928 25772 S  0.0  0.0  0:00.00 │  │  ├─ npm
8312 nodejs     20   0 1098M 41928 25772 S  0.0  0.0  0:00.00 │  │  ├─ npm
8311 nodejs     20   0 1098M 41928 25772 S  0.0  0.0  0:00.00 │  │  ├─ npm
8310 nodejs     20   0 1098M 41928 25772 S  0.0  0.0  0:00.00 │  │  ├─ npm
8309 nodejs     20   0 1098M 41928 25772 S  0.0  0.0  0:00.00 │  │  ├─ npm
8308 nodejs     20   0 1098M 41928 25772 S  0.0  0.0  0:00.00 │  │  └─ npm

# supervisorctl stop xapi Logs:

2018-05-16 11:12:17,518 INFO waiting for xapi to stop
2018-05-16 11:12:19,518 INFO waiting for xapi to stop
2018-05-16 11:12:21,518 INFO waiting for xapi to stop
2018-05-16 11:12:23,518 INFO waiting for xapi to stop
2018-05-16 11:12:25,518 INFO waiting for xapi to stop
2018-05-16 11:12:27,517 WARN killing 'xapi' (21058) with SIGKILL
2018-05-16 11:12:27,518 INFO waiting for xapi to stop
2018-05-16 11:12:27,520 INFO stopped: xapi (terminated by SIGKILL)

Process tree after stop:

8318 nodejs     20   0  866M 38548 24768 S  0.0  0.0  0:00.16 ├─ node -r dotenv/config dist/index.js
8323 nodejs     20   0  866M 38548 24768 S  0.0  0.0  0:00.00 │  ├─ node -r dotenv/config dist/index.js
8322 nodejs     20   0  866M 38548 24768 S  0.0  0.0  0:00.00 │  ├─ node -r dotenv/config dist/index.js
8321 nodejs     20   0  866M 38548 24768 S  0.0  0.0  0:00.00 │  ├─ node -r dotenv/config dist/index.js
8320 nodejs     20   0  866M 38548 24768 S  0.0  0.0  0:00.00 │  ├─ node -r dotenv/config dist/index.js
8319 nodejs     20   0  866M 38548 24768 S  0.0  0.0  0:00.00 │  └─ node -r dotenv/config dist/index.js

Thanks in advance,

Source: Supervisor/supervisor

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