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Date:      Wed, 7 Dec 2005 12:44:52 +0200
From:      "Imri Zvik" <imriz@co.zahav.net.il>
To:        <freebsd-performance@freebsd.org>
Subject:   very busy syslog server
Message-ID:  <A6E1736261841F40B12286B0D04B194503CE7839@IGMAIL.InetGold>

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Hi!

I'm trying to setup a syslog server to serve a large group of servers.
For the syslog daemon, I have chosen rsyslogd, and the backend is mysql =
(on a different machine).

The machine has 2 Intel Xeon 2.80GHz CPUs, and 1GB of RAM, and it is =
running FreeBSD 6 (6.0-STABLE).

The problem is, that I see a lot of UDP packets being dropped:

udp:
        390202 datagrams received
        0 with incomplete header
        0 with bad data length field
        0 with bad checksum
        6 with no checksum
        0 dropped due to no socket
        0 broadcast/multicast datagrams dropped due to no socket
->>>    123677 dropped due to full socket buffers
        0 not for hashed pcb
        266525 delivered
        133260 datagrams output

I have tried to increase net.inet.udp.recvspace, but it didn't solve the =
problem.

I would appreciate any hint or tips.


Thank you in advance!

--
Imri Zvik
PGP (2.6.3ia) Public Key: http://mariska.inter.net.il/~imriz/imriz.pgp
=A0




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