pm2 flush doesn't work as expected

[Sailboat265]

What's going wrong?

pm2 flush <app_id> or pm2 flush <app_name> doesn't appear to be flushing the logs successfully.

Linked issues: #4074, #4553, #4696

How could we reproduce this issue?

At pm2 version of 5.2.2, just try to run either pm2 flush <app_id> or pm2 flush <app_name>.

After that, do pm2 log <app_id> or pm2 log <app_name>, you will see the logs aren't flushed and still remained untouched.

Supporting information

--- PM2 report ----------------------------------------------------------------
Date                 : Thu Jan 19 2023 07:04:33 GMT+0800 (Malaysia Time)
===============================================================================
--- Daemon -------------------------------------------------
pm2d version         : 5.2.2
node version         : 17.9.0
node path            : not found
argv                 : /usr/bin/node,/usr/local/share/.config/yarn/global/node_modules/pm2/lib/Daemon.js
argv0                : node
user                 : pi
uid                  : 1000
gid                  : 100
uptime               : 2771min
===============================================================================
--- CLI ----------------------------------------------------
local pm2            : 5.2.2
node version         : 17.9.0
node path            : /usr/local/bin/pm2
argv                 : /usr/bin/node,/usr/local/bin/pm2,report
argv0                : node
user                 : pi
uid                  : 1000
gid                  : 100
===============================================================================
--- System info --------------------------------------------
arch                 : arm64
platform             : linux
type                 : Linux
cpus                 : Cortex-A72
cpus nb              : 4
freemem              : 3414192128
totalmem             : 3977629696
home                 : /home/pi
===============================================================================
--- PM2 list -----------------------------------------------
┌─────┬──────────────────┬─────────────┬─────────┬─────────┬──────────┬────────┬──────┬───────────┬──────────┬──────────┬──────────┬──────────┐
│ id  │ name             │ namespace   │ version │ mode    │ pid      │ uptime │ ↺    │ status    │ cpu      │ mem      │ user     │ watching │
├─────┼──────────────────┼─────────────┼─────────┼─────────┼──────────┼────────┼──────┼───────────┼──────────┼──────────┼──────────┼──────────┤
│ 0   │ Api-Alpha        │ default     │ 1.0.0   │ fork    │ N/A      │ 0      │ 0    │ stopped   │ 0%       │ 0b       │ pi       │ disabled │
│ 1   │ Temp Door API    │ default     │ 2.0.0   │ fork    │ 114442   │ 11m    │ 1    │ online    │ 0.6%     │ 63.5mb   │ pi       │ disabled │
└─────┴──────────────────┴─────────────┴─────────┴─────────┴──────────┴────────┴──────┴───────────┴──────────┴──────────┴──────────┴──────────┘
===============================================================================
--- Daemon logs --------------------------------------------
/home/pi/.pm2/pm2.log last 20 lines:
PM2        | 2023-01-17T08:53:11: PM2 log: PM2 version          : 5.2.2
PM2        | 2023-01-17T08:53:11: PM2 log: Node.js version      : 17.9.0
PM2        | 2023-01-17T08:53:11: PM2 log: Current arch         : arm64
PM2        | 2023-01-17T08:53:11: PM2 log: PM2 home             : /home/pi/.pm2
PM2        | 2023-01-17T08:53:11: PM2 log: PM2 PID file         : /home/pi/.pm2/pm2.pid
PM2        | 2023-01-17T08:53:11: PM2 log: RPC socket file      : /home/pi/.pm2/rpc.sock
PM2        | 2023-01-17T08:53:11: PM2 log: BUS socket file      : /home/pi/.pm2/pub.sock
PM2        | 2023-01-17T08:53:11: PM2 log: Application log path : /home/pi/.pm2/logs
PM2        | 2023-01-17T08:53:11: PM2 log: Worker Interval      : 30000
PM2        | 2023-01-17T08:53:11: PM2 log: Process dump file    : /home/pi/.pm2/dump.pm2
PM2        | 2023-01-17T08:53:11: PM2 log: Concurrent actions   : 2
PM2        | 2023-01-17T08:53:11: PM2 log: SIGTERM timeout      : 1600
PM2        | 2023-01-17T08:53:11: PM2 log: ===============================================================================
PM2        | 2023-01-17T08:53:11: PM2 log: App [Temp Door API:1] starting in -fork mode-
PM2        | 2023-01-17T08:53:11: PM2 log: App [Temp Door API:1] online
PM2        | 2023-01-19T06:52:48: PM2 log: Stopping app:Temp Door API id:1
PM2        | 2023-01-19T06:52:48: PM2 log: App [Temp Door API:1] exited with code [0] via signal [SIGINT]
PM2        | 2023-01-19T06:52:48: PM2 log: pid=950 msg=process killed
PM2        | 2023-01-19T06:52:48: PM2 log: App [Temp Door API:1] starting in -fork mode-
PM2        | 2023-01-19T06:52:48: PM2 log: App [Temp Door API:1] online

[Sailboat265]

Closed, marked as a duplicate for existing issues.

Sorry for the any inconvenience caused.