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