PID USER PRI NI VIRT RES SHR S CPU% MEM% TIME+ Command
3196 root 20 0 1784M 373M 5008 S 0.4 18.8 1h16:47
/usr/bin/python3 /usr/bin/fail2ban-server -s
/var/run/fail2ban/fail2ban.sock -p /var/run/fail2
VmPeak: 1827420 kB
VmSize: 1827416 kB
VmLck: 0 kB
VmPin: 0 kB
VmHWM: 539000 kB
VmRSS: 382460 kB
VmData: 1760668 kB
VmStk: 136 kB
VmExe: 3412 kB
VmLib: 7360 kB
VmPTE: 1412 kB
VmPMD: 20 kB
VmSwap: 158520 kB
Threads: 33
So it's the VmHWM number I should be looking at? I'm almost a half gig
(539MB) in that case. Why so much? Is it possible to reduce that
footprint somehow? I have 2gig memory in this vm, that's like 25% of the
total available physical memory for this one process. The 0.8 version I am
sure didn't use but a small fraction of this.
On Mon, Jun 22, 2015 at 6:41 PM, Lee Clemens <[email protected]> wrote:
> On 06/22/2015 01:26 PM, Orion Poplawski wrote:
> > On 06/20/2015 12:25 PM, Michael Grant wrote:
> >> I recently updated from 0.8.x to 0.9.2. fail2ban-server is now
> consuming a
> >> gig+ of memory in my server. Before it was tiny fraction of this.
> >>
> >> I thought fail2ban just did a sort of complex grep though the tail of
> the
> >> logs. Why would it need to keep huge amounts of data in memory?
> Things are
> >> working fine but it's a huge resource hog. Is there something I can do
> to
> >> reduce it's memory footprint without breaking something?
> >
> > What exactly to you mean by "consuming a gig+ or memory"?
> >
> > For example, on one of my machines, /proc/PID/status reports:
> >
> > VmPeak: 2277900 kB
> > VmSize: 2205532 kB
> > VmLck: 0 kB
> > VmPin: 0 kB
> > VmHWM: 79880 kB
> > VmRSS: 69712 kB
> > VmData: 598436 kB
> > VmStk: 136 kB
> > VmExe: 4 kB
> > VmLib: 11428 kB
> > VmPTE: 1952 kB
> > VmSwap: 13824 kB
>
> For comparison:
>
> VmPeak: 916900 kB
> VmSize: 915856 kB
> VmLck: 0 kB
> VmHWM: 20660 kB
> VmRSS: 8532 kB
> VmData: 709800 kB
> VmStk: 88 kB
> VmExe: 1500 kB
> VmLib: 8420 kB
> VmPTE: 352 kB
> VmSwap: 11876 kB
>
> fail2ban 0.9.2 CentOS 6.6, 8 jails.
>
> [snip]
>
>
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