系统日志请教

流浪di猪

公司一服务器SUSE企业版11，上面装了tomcat之后日志/var/log/messages里每隔1小时出现如下信息，准时的每隔1小时，麻烦指导一下这是什么信息，会不会对服务器和系统造成影响，受教了！
Dec  6 10:14:22 OADB-4 syslog-ng[2463]: Log statistics; dropped='pipe(/dev/xconsole)=0', dropped='pipe(/dev/tty10)=0', processed='center(queued)=8373', processed='cente
r(received)=3523', processed='destination(newsnotice)=0', processed='destination(acpid)=2', processed='destination(firewall)=0', processed='destination(null)=2', proces
sed='destination(mail)=4', processed='destination(mailinfo)=4', processed='destination(console)=1615', processed='destination(newserr)=0', processed='destination(newscr
it)=0', processed='destination(messages)=3515', processed='destination(mailwarn)=0', processed='destination(localmessages)=0', processed='destination(netmgm)=0', proces
sed='destination(mailerr)=0', processed='destination(xconsole)=1615', processed='destination(warn)=1616', processed='source(src)=3523'
Dec  6 10:34:22 OADB-4 -- MARK --
Dec  6 10:54:22 OADB-4 -- MARK --