On Fri, Mar 08, 2019 at 12:03:25PM +0100, Michał Koc wrote:
> Hi all,
>
> We have a triple redundant vpn gateway setup with sasyncd running and tons
> of tunnels, about 1000 flows.
>
> Looking at the graph of memory usage, you can clearly see that something is
> sucking up the memory.
>
> The graph can be viewed here: https://pasteboard.co/I4sjzQ8.jpg
>
> Looking at the ps, sasyncd shows huge memory consumption:
>
> USER PID %CPU %MEM VSZ RSS TT STAT
> STARTED TIME COMMAND
> _isakmpd 33560 0.0 17.0 699264 708508 ?? S
> 26Feb19 6:58.81 /usr/sbin/sasyncd
>
> It only happens on the master node. Slaves do not show such a behavior.
>
> There is nothing about sasyncd in the logs.
>
> After sasyncd restart memory consumption is minimal, but tends to grow.
>
> Is it normal ? or am I missing something ?
>
> Best regards
> M.K.
>
This is not normal. You could try to run with -vv to see if some error
path is taken that triggers a leak.
-Otto