[rsyslog] rsyslog dropping logs
Mike McGrath
mmcgrath at redhat.com
Wed Jul 23 21:21:46 CEST 2008
I've got a RHEL5.2 host with rsyslog-2.0.0-11 installed as a central
logging server. When running tcpdump I'm seeing all the udp packets
coming in but many of them are not getting logged. And we're talking
like 10% or so getting logged (maybe less) and the rest are just lost.
I've attached my config file.
(side note, if I'm doing something stupid in the config please correct me)
-Mike
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#rsyslog v3 config file
#### GLOBAL DIRECTIVES ####
# Use default timestamp format
$ActionFileDefaultTemplate RSYSLOG_TraditionalFileFormat
# File syncing capability is disabled by default. This feature is usually not required,
# not useful and an extreme performance hit
#$ActionFileEnableSync on
# An "In-Memory Queue" is created for remote logging.
# $WorkDirectory /var/spool/rsyslog # where to place spool files
# $ActionQueueFileName queue # unique name prefix for spool files
# $ActionQueueMaxDiskSpace 1g # 1gb space limit (use as much as possible)
# $ActionQueueSaveOnShutdown on # save messages to disk on shutdown
# $ActionQueueType LinkedList # run asynchronously
# $ActionResumeRetryCount -1 # infinety retries if host is down
#### MODULES ####
$ModLoad imuxsock.so # provides support for local system logging (e.g. via logger command)
$ModLoad imklog.so # provides kernel logging support (previously done by rklogd)
#$ModLoad immark.so # provides --MARK-- message capability
# Provides UDP syslog reception
$ModLoad imudp.so
$UDPServerRun 514
# Provides TCP syslog reception
#$ModLoad imtcp.so
#$InputTCPServerRun 514
$FileGroup sysadmin
$FileCreateMode 0640
$DirGroup sysadmin
$DirCreateMode 0750
#### RULES ####
# Log all kernel messages to the console.
# Logging much else clutters up the screen.
#kern.* /dev/console
# Log anything (except mail) of level info or higher.
# Don't log private authentication messages!
*.info;local1.none;mail.none;authpriv.none;cron.none /var/log/messages
# The authpriv file has restricted access.
authpriv.* /var/log/secure
# Log all the mail messages in one place.
mail.* -/var/log/maillog
# Log cron stuff
cron.* /var/log/cron
# Everybody gets emergency messages
*.emerg *
# Save news errors of level crit and higher in a special file.
uucp,news.crit /var/log/spooler
# Save boot messages also to boot.log
local7.* /var/log/boot.log
$template RawMessage,"%msg%\n"
$template HttpAccessTemplate,"/var/log/hosts/%HOSTNAME%/%$YEAR%/%$MONTH%/%$DAY%/http/%APP-NAME%"
if $app-name contains 'access.log' then -?HttpAccessTemplate;RawMessage
$template HttpErrorTemplate,"/var/log/hosts/%HOSTNAME%/%$YEAR%/%$MONTH%/%$DAY%/http/%APP-NAME%"
if $app-name contains 'error.log' then -?HttpErrorTemplate;RawMessage
$template DynaFile,"/var/log/hosts/%HOSTNAME%/%$YEAR%/%$MONTH%/%$DAY%/messages.log"
*.*;local1.none -?DynaFile
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