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Date:      Mon, 9 Feb 2009 18:02:20 +0100
From:      Maciej Suszko <maciej@suszko.eu>
To:        Alex Dehaini <alexdehaini@gmail.com>
Cc:        =?ISO-8859-2?B?SXN0duFuIFN6dWvhY3M=?= <leccine@gmail.com>, freebsd-performance@freebsd.org
Subject:   Re: Limiting open port RST response from 247 to 200 packets per  second
Message-ID:  <20090209180220.3bc453db@suszko.eu>
In-Reply-To: <4b008f7d0902090349m7405d819l4468168441dbca5b@mail.gmail.com>
References:  <4b008f7d0902060644o62a3942lf63ff6689c3b4d94@mail.gmail.com> <b8592ed80902060719y3be85e43q9ef200477735d1e2@mail.gmail.com> <4b008f7d0902060724o6817f822ufb3ce8a8f9060fa8@mail.gmail.com> <4b008f7d0902061019v414ef35do1b84a3f2e6f0b48d@mail.gmail.com> <20090206193651.518c3347@suszko.eu> <4b008f7d0902061245g458ae7eh1bd7375b0c085d4@mail.gmail.com> <4b008f7d0902090349m7405d819l4468168441dbca5b@mail.gmail.com>

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Alex Dehaini <alexdehaini@gmail.com> wrote:
> Any help guys?

It doesn't look suspicious to me. Watch your logs and while you get
those messages about limiting open port rst response, try to check
`netstat -na` output - maybe you'll find some ,,anomalies'', do it
several times, post the observation results. We'll see :)

> On Fri, Feb 6, 2009 at 8:45 PM, Alex Dehaini <alexdehaini@gmail.com>
> wrote:
>=20
> > Here is the output of 'vmstat -z' on my server
> >
> > myserver# vmstat -z
> >
> > ITEM            SIZE     LIMIT    USED    FREE  REQUESTS
> >
> > PIPE:            160,        0,      6,     96,     5976
> > SWAPMETA:        160,   233016,      0,      0,        0
> > unpcb:           160,        0,      4,     46,     6460
> > ripcb:           192,    40000,      0,     42,       28
> > divcb:           192,    40000,      0,      0,        0
> > syncache:        160,    15359,      0,   1766,    10989
> > tcpcb:           576,    40000,      7,     92,     2115
> > udpcb:           192,    40000,      6,     36,     2158
> > socket:          192,    40000,     17,    111,    10762
> > DIRHASH:        1024,        0,    288,      4,      301
> > KNOTE:            64,        0,      0,    128,       24
> > NFSNODE:         352,        0,      0,      0,        0
> > NFSMOUNT:        544,        0,      0,      0,        0
> > VNODE:           192,        0,   2806,     56,     2806
> > NAMEI:          1024,        0,      0,     16,   261060
> > VMSPACE:         192,        0,     34,     94,     5671
> > PROC:            416,        0,     40,     58,     5678
> > DP fakepg:        64,        0,      0,      0,        0
> > PV ENTRY:         28,  3297134,  30022, 1002145,  4007245
> > MAP ENTRY:        48,        0,    753,    820,   278386
> > KMAP ENTRY:       48,    85223,    182,    202,    11578
> > MAP:             108,        0,      7,      3,        7
> > VM OBJECT:        92,        0,   1340,    412,   145002
> >
> > I hope it helps
--=20
regards, Maciej Suszko.

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