Memory usage very high

[chrisl8]

Does anyone else find WatchYourLAN using absurd amounts of memory?

Mine is currently using 6 gigabytes of RAM, which is kind of insane compared to the dozens of other containers on my system, none of which come near this amount.

Is there something that I may be doing wrong or is this normal?

[DavidFelsen]

Same here — it's using 3–4GB at least, with spikes at 8GB+. Just noticed it while adding some monitoring to my homelab.

[aceberg]

It looks like a memory leak. WYL should not use more than 100Mb usually.
I don't have such issues myself, so, to detect the problem, can you provide further information:

1. Version of WYL (Can be found at the top of About card on Config page).
2. How many hosts are in your network? Like 10, 100, 1000 or more
3. Your config_v2.yaml file. Of course, without private details like influx_token and shoutrrr_url
4. How WYL was installed? (docker, binary, inside a VM...)

[DavidFelsen]

responded there – let me know if there is anything else I can provide to troubleshoot? (regarding 4. it's running in an ubuntu VM on a proxmox mini PC)

[DavidFelsen]

Hi – just checking if there's anything I can do to help investigate? Debug logs don't show anything interesting

[chrisl8]

Currently using 7.3GB of RAM!

1. Version 2.1.2
2. 111 hosts
3. config_v2.yaml:

arp_args: ""
arp_strs: []
arp_strs_joined: ""
color: dark
hist_in_db: true
host: 0.0.0.0
ifaces: enp1s0f1
influx_addr: ""
influx_bucket: ""
influx_enable: false
influx_org: ""
influx_skip_tls: false
influx_token: ""
log_level: info
nodepath: ""
pg_connect: ""
port: "8840"
shoutrrr_url: ""
theme: sand
timeout: 120
trim_hist: 8760
use_db: sqlite

4. Docker Compose
   image: aceberg/watchyourlan:v2

Running top inside of docker via docker exec shows:

Mem: 32487244K used, 274088K free, 1065848K shrd, 199480K buff, 7925492K cached
CPU:  23% usr   8% sys   0% nic  64% idle   3% io   0% irq   0% sirq
Load average: 4.07 2.84 2.60 2/4966 1717
  PID  PPID USER     STAT   VSZ %VSZ CPU %CPU COMMAND
    1     0 root     S    20.8g  63%   6  12% ./WatchYourLAN
 1710     0 root     S     1708   0%   7   0% sh
 1717  1710 root     R     1636   0%   4   0% top

Also, I restart it daily for backups, so it isn't running for more than 24 hours to get to this state.

[chrisl8]

I am a developer, but no ta golang developer. If you want to provide instructions on how to profile the application on my system I can follow them, or create a build that I can use and see profiling data from somehow I can try it.

[chrisl8]

[aceberg]

This should be fixed in 2.1.3