[Solved] Why my /var/lib/docker filesystem is growing to 100%?

General
1

Hello Community :slight_smile:

I’m having some misunderstanding about how Docker works and I would like to figure it out.

I’m running 6 containers in my system, and I have an issue : when I use docker-compose up -d command to build and start my containers, everything goes fine, but after a while (~ a week), my /var/lib/docker filesystem grow to 100% disrupting my containers proper functioning. The only way to resolve the issue is to docker-compose down then docker-compose up -d again, then the filesystem goes back to ~ 50%.

Could you explain me how to solve this issue, for example limiting the usage of disk space for my containers ?

I can show you my docker-compose.yml file if needed.

Thanks you in advance for your answers, sorry for my bad english and sorry again if this question was already asked.

2

Hello aurelf21,

What driver are you using ?
Did you check container log files occupation space ?
Did you check the space taken by dangling images in your system ?

Best Regards,
Fouscou

3

Hello fouscou,

thanks for your reply.

In fact, I just found the answer and this is nothing related to Docker… my application inside container was logging a lot and generating 25Mo log files every hour. I didn’t see that before I post this issue…

I think I can check this question as resolved, thanks anyway for your help !