[syslog-ng] possible memleak or bad configuration?
Martin Holste
mcholste at gmail.com
Sat Mar 13 19:03:40 CET 2010
The db parser code had a big memory leak in previous 3.1 versions but was
fixed a few months ago; what build are you running? We process 2 billion
logs per day through db parser with no leaks at all using the build from git
commit 9ef6062c1cf72a3f7da880ac245f9ee080bea992.
--Martin
On Sat, Mar 13, 2010 at 2:22 AM, Andreas Sartori <
andreas.sartori at fh-salzburg.ac.at> wrote:
> hello,
>
>
> we have setup a central logging server. currently we are logging firewalls
> and some webserver / mailserver for testing purpose. the memory usage on
> the logging server is badly increasing. after 2 days of operation we are
> at 6.8 gb ram usage.
>
> can someone help out, what information do you need to help?
>
> thanks in advance.
>
> -andy
>
> ------------
>
> @version:3.0
> #
> # configuration file for syslog-ng, customized for remote logging
> #
>
> options {
> owner("root");
> group("root");
> perm(0600);
> dir_perm(0750);
> create_dirs(yes);
> log_fifo_size(10000);
> };
>
>
>
>
> ################################################################################################
> ######################### SOURCES
> ##############################
>
> ################################################################################################
>
> # Syslog internal logging
> source s_internal { internal(); };
> destination d_syslognglog { file("/var/log/syslog-ng.log"); };
> log { source(s_internal); destination(d_syslognglog); };
>
>
> # Remote logging
> source s_remote {
> tcp(ip(0.0.0.0) max-connections(20) port(514) keep_hostname(yes));
> udp(ip(0.0.0.0) port(514) use_dns(no) log_fetch_limit(500)
> log_iw_size(1000));
> };
>
>
>
> ################################################################################################
> ######################### FILTER
> ##############################
>
> ################################################################################################
>
> filter http-official { netmask(xxx.xxx.xxx.47/255.255.255.255) or
> netmask(xxx.xxx.xxx.48/255.255.255.255) or
> netmask(xxx.xxx.xxx.167/255.255.255.255) or
> netmask(xxx.xxx.xxx.46/255.255.255.255) or
> netmask(xxx.xxx.xxx.52/255.255.255.255) or
> netmask(xxx.xxx.xxx.25/255.255.255.255) or
> netmask(xxx.xxx.xxx.26/255.255.255.255); };
>
> filter mail-proxy-internal { netmask(10.10.9.20/255.255.255.255) and not
> program("perdition"); };
> filter mail-relay-internal { netmask(10.10.9.30/255.255.255.255); };
>
> filter mail-relay-alpha-external-out {
> netmask(xxx.xxx.xxx.59/255.255.255.255) and facility(local1); };
> filter mail-relay-beta-external-out {
> netmask(xxx.xxx.xxx.60/255.255.255.255) and facility(local1); };
> filter mail-relay-alpha-external-in {
> netmask(xxx.xxx.xxx.59/255.255.255.255) and facility(mail); };
> filter mail-relay-beta-external-in {
> netmask(xxx.xxx.xxx.60/255.255.255.255) and facility(mail); };
>
> filter mail-proxy-node1-external { netmask(xxx.xxx.xxx.18/255.255.255.255)
> and not program("perdition"); };
> filter mail-proxy-node2-external { netmask(xxx.xxx.xxx.22/255.255.255.255)
> and not program("perdition"); };
>
> filter vpn { netmask(10.20.40.0/255.255.255.0); };
> filter fw-intern-all { netmask(10.10.20.1/255.255.255.255); };
>
> filter fw-intern-security {
> netmask(10.10.20.1/255.255.255.255) and
> match("security" value(".classifier.class") type("string"));
> };
>
> filter fw-intern-info {
> netmask(10.10.20.1/255.255.255.255) and
> match("informational" value(".classifier.class")
> type("string"));
> };
>
> filter fw-intern-rest {
> netmask(10.10.20.1/255.255.255.255) and not
> match("security" value(".classifier.class") type("string"))
> and not
> match("informational" value(".classifier.class")
> type("string"));
> };
>
>
> filter fw-extern-all { netmask(10.80.11.20/255.255.255.255); };
>
> filter fw-extern-security {
> netmask(10.80.11.20/255.255.255.255) and
> match("security" value(".classifier.class") type("string"));
> };
>
> filter fw-extern-info {
> netmask(10.80.11.20/255.255.255.255) and
> match("informational" value(".classifier.class")
> type("string"));
> };
>
> filter fw-extern-rest {
> netmask(10.80.11.20/255.255.255.255) and not
> match("security" value(".classifier.class") type("string"))
> and not
> match("informational" value(".classifier.class")
> type("string"));
> };
>
> filter fw-extern-new { netmask(10.80.11.30/255.255.255.255); };
>
>
> ################################################################################################
> ######################### PARSER
> ##############################
>
> ################################################################################################
>
> parser pattern_db_fwint {
> db_parser(
> file("/etc/syslog-ng/fw-int_patterndb.xml")
> );
> };
>
> parser pattern_db_fwext {
> db_parser(
> file("/etc/syslog-ng/fw-ext_patterndb.xml")
> );
> };
>
>
> ################################################################################################
> ######################### DESTINATIONS
> ##############################
>
> ################################################################################################
>
> destination http-log { file("/logging/server/web/$HOST"
> template("$MSGONLY\n") template-escape(no) owner("root") group("root")
> perm(0644)); };
>
> destination mail-out { file("/logging/server/mail/mail-out_$MONTH.log"); };
> destination mail-in { file("/logging/server/mail/mail-in_$MONTH.log"); };
>
> destination vpn {
> file("/logging/network/vpn_$MONTH.log" flush_lines(10));
> };
>
> destination fw-intern-all {
> file("/logging/network/fw-intern_$MONTH.log" flush_lines(10));
> };
>
> destination fw-extern-all {
> file("/logging/network/fw-extern_$MONTH.log" flush_lines(10));
> };
>
>
> destination fw-extern-new {
> file("/logging/network/fw-new_$MONTH.log" flush_lines(10));
> };
>
>
> destination dump {
> file("/logging/network/dump.log" template ("$R_YEAR-$R_MONTH-$R_DAY
> $R_HOUR:$R_MIN:$R_SEC, $HOST, $FIREWALL_SEQ, $MSGHDR, 0, $FIREWALL_IO,
> $FIREWALL_PROTO, $FIREWALL_SCR_LAN, $FIREWALL_SRC_IP, $FIREWALL_SRC_PORT,
> $FIREWALL_DST_LAN, $FIREWALL_DST_IP, $FIREWALL_DST_PORT,
> $FIREWALL_NAT_SRC_IP, $FIREWALL_NAT_DST_IP, $FIREWALL_RULE,
> $FIREWALL_REASON, $FIREWALL_DURATION\n"));
> # file("/logging/network/dump.log" template ("$MSGHDR\n")
> flush_lines(5));
> };
>
>
>
>
> ################################################################################################
> ######################### FINAL-LOGS
> ##############################
>
> ################################################################################################
>
> ##### TO FILE
>
> log { source(s_remote); filter(http-official); destination(http-log); };
> log { source(s_remote); filter(mail-proxy-internal);
> destination(mail-out); };
> log { source(s_remote); filter(mail-relay-internal);
> destination(mail-out); };
> log { source(s_remote); filter(mail-relay-alpha-external-out);
> destination(mail-out); };
> log { source(s_remote); filter(mail-relay-beta-external-out);
> destination(mail-out); };
> log { source(s_remote); filter(mail-proxy-node1-external);
> destination(mail-out); };
> log { source(s_remote); filter(mail-proxy-node2-external);
> destination(mail-out); };
> log { source(s_remote); filter(mail-relay-alpha-external-in);
> destination(mail-in); };
> log { source(s_remote); filter(mail-relay-beta-external-in);
> destination(mail-in); };
> log { source(s_remote); filter(vpn); destination(vpn); };
> log { source(s_remote); filter(fw-intern-all); destination(fw-intern-all);
> };
> log { source(s_remote); filter(fw-extern-new); destination(fw-extern-new);
> };
> log { source(s_remote); filter(fw-extern-all); destination(fw-extern-all);
> flags(final); };
>
>
>
>
> ______________________________________________________________________________
> Member info: https://lists.balabit.hu/mailman/listinfo/syslog-ng
> Documentation:
> http://www.balabit.com/support/documentation/?product=syslog-ng
> FAQ: http://www.campin.net/syslog-ng/faq.html
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.balabit.hu/pipermail/syslog-ng/attachments/20100313/48da66ae/attachment.htm
More information about the syslog-ng
mailing list