nginx eating all RAM, log files?

Maxim Dounin mdounin at
Mon Apr 22 19:33:35 UTC 2013


On Mon, Apr 22, 2013 at 06:30:41PM +0000, Joseph Cabezas wrote:

> I have two nginx instances (nginx/1.0.15) on a 4GB RAM machine. 
> Each instance runs fewer than 25 requests as reported with 
> stub_status on; 
> The problem is that once nginx is started from scratch it starts 
> eating (or reserving?) RAM progressively as reported by free -m, 
> up to the point where it leaves only 2-5mb left and then it 
> doesnt go past that. In about 7 days it has eating everything. 
> Nginx doesnt crash, nor does it touch swap but I definately feel 
> it compromises system resources to the point iam concerned as in 
> a production spike its wise to think the server has no room. 
> This is the exact same issue on 4 other nginx machines I have. 
> In order to start over again I must kill -QUIT the PIDs , delete 
> the log file (which is smaller then 800mb) and then all goes 
> back to the cycle.
> Please indicate me what pieces of information I can supply to 
> debug this issue.

As you are referring to "free -m" output, most likely this link 
will help:

In short: don't panic, you RAM is fine.

Maxim Dounin

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