On Tue, Jun 4, 2013 at 5:07 AM, Eric <[email protected]> wrote: > Unless you absolutely need TCP you'll gain some performance on switching > to UDP. > > Sorry, Eric, need to correct you here: TCP is much faster. A prime reason is that for UDP, you need to do a system call for each messages. With TCP, we usually receive several hundered to thousand with a single system call.
Rainer > I have been pushing over 30k messages a second (UDP) with 1 input and two > outputs. I've still not been able to make the boxes flinch (dell r420, > GigE). I'm running a 7.2 variant on cent 6.2 with no real major performance > tuning. > > Eric > > On Jun 3, 2013, at 2:48 PM, Roberto Giordani <[email protected]> > wrote: > > Hello, > I'm working on a project where 20 servers RHEL 5.8 (with rsyslog 5.8.12) > has 20 input files on input and send about 10.000 messages for second to > one rsyslog server 7.2 version > > The network is gigabit between client-->server and this is the daily nmon > network traffic graphs > > > The first configuration was with queue file, but is was too slow, so I've > used the LinkedList queue. > > The current client settings are > $InputFileName /file1.log > $InputFileTag TEST1 > $InputFileStateFile file1 > $InputFileSeverity debug > $InputFileFacility local6 > $InputRunFileMonitor > $InputFilePersistStateInterval 10 > .... > .... > .... > ############################################ > $MaxMessageSize 9000 > > $MainMsgQueueType LinkedList > $MainMsgQueueSize 1000000 > $MainMsgQueueWorkerThreads 20 > $MainMsgQueueDequeueBatchSize 5000 > $MainMsgQueueSaveOnShutdown on > > $ActionQueueType LinkedList > $ActionQueueSize 2000000 > $ActionQueueWorkerThreads 50 > $ActionQueueDequeueBatchSize 5000 > $ActionQueueSaveOnShutdown on > ########################################### > > $ActionResumeRetryCount -1 > $ActionQueueTimeoutEnqueue 1 > $ActionSendResendLastMsgOnReconnect on > $ActionQueueCheckpointInterval 1 > > local6.debug @@10.10.1.10:10514 > > The server settings are > ############################################## > # Provides TCP syslog reception > $ModLoad imtcp > $InputTCPServerRun 10514 > > > #### 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 off > > $umask 0007 > > if $fromhost-ip == "10.10.1.7" and $syslogfacility-text == "local6" and > $syslogseverity-text == "debug" and $syslogtag == "TEST1" then > action(type="omfile" DirOwner="user1" DirCreateMode="0750" > FileCreateMode="0444" File="/rsyslog-data/file1.log") > > if $fromhost-ip == ........ > > ############################### > > My questions are: > 1)how to find the right combination of > Main queue ---> Action Queue---> receiver queue on rsyslog server ? > 2)Is it possible to increase incoming messages and handle quickly? > 3)Why the output log on Centralized Rsyslog are still behind the source > log on the client? > > I've activated the pstats module to understand the queue status on clients > and server. > After 6 hours running the client has this report > ......... > 2013-06-03T22:23:16.708288+02:00 app01 rsyslogd-pstats: action 9 queue: > size=2000000 enqueued=9327675 full=6831507 maxqsize=20 > 00000 > 2013-06-03T22:23:16.708297+02:00 app01 rsyslogd-pstats: main Q: size=2 > enqueued=9648448 full=0 maxqsize=20395 > 2013-06-03T22:23:46.708367+02:00 app01 rsyslogd-pstats: imuxsock: > submitted=323414 ratelimit.discarded=0 ratelimit.numratelimi > ters=29974 > 2013-06-03T22:23:46.708382+02:00 app01 rsyslogd-pstats: action 9 queue: > size=2000000 enqueued=9340578 full=6844410 maxqsize=20 > 00000 > 2013-06-03T22:23:46.708390+02:00 app01 rsyslogd-pstats: main Q: size=2164 > enqueued=9666464 full=0 maxqsize=20395 > 2013-06-03T22:24:16.708923+02:00 app01 rsyslogd-pstats: imuxsock: > submitted=328198 ratelimit.discarded=0 ratelimit.numratelimi > ters=29986 > 2013-06-03T22:24:16.708941+02:00 app01 rsyslogd-pstats: action 9 queue: > size=2000000 enqueued=9355649 full=6859481 maxqsize=20 > 00000 > 2013-06-03T22:24:16.708949+02:00 app01 rsyslogd-pstats: main Q: size=1364 > enqueued=9686593 full=0 maxqsize=20395 > 2013-06-03T22:24:46.709300+02:00 app01 rsyslogd-pstats: imuxsock: > submitted=333070 ratelimit.discarded=0 ratelimit.numratelimi > ters=29997 > 2013-06-03T22:24:46.709316+02:00 app01 rsyslogd-pstats: action 9 queue: > size=2000000 enqueued=9365276 full=6869108 maxqsize=20 > 00000 > 2013-06-03T22:24:46.709323+02:00 app01 rsyslogd-pstats: main Q: size=2123 > enqueued=9702047 full=0 maxqsize=20395 > 2013-06-03T22:25:16.709807+02:00 app01 rsyslogd-pstats: imuxsock: > submitted=337951 ratelimit.discarded=0 ratelimit.numratelimi > ters=30009 > 2013-06-03T22:25:16.709823+02:00 app01 rsyslogd-pstats: action 9 queue: > size=2000000 enqueued=9379492 full=6883324 maxqsize=20 > 00000 > 2013-06-03T22:25:16.709832+02:00 app01 rsyslogd-pstats: main Q: size=2 > enqueued=9719723 full=0 maxqsize=20395 > 2013-06-03T22:25:46.709942+02:00 app01 rsyslogd-pstats: imuxsock: > submitted=343014 ratelimit.discarded=0 ratelimit.numratelimi > ters=30021 > 2013-06-03T22:25:46.709980+02:00 app01 rsyslogd-pstats: action 9 queue: > size=2000000 enqueued=9389640 full=6893472 maxqsize=20 > 00000 > > > and the rsyslog server the following stats > ....... > 2013-06-03T23:05:15.898682+02:00 fsp01 rsyslogd-pstats: main Q: size=9978 > enqueued=5032165 full=156941 discarded.full=0 discarded.nf=0 > maxqsize=10000 > 2013-06-03T23:06:56.157199+02:00 fsp01 rsyslogd-pstats: main Q: size=9987 > enqueued=5065134 full=157971 discarded.full=0 discarded.nf=0 > maxqsize=10000 > 2013-06-03T23:08:30.657673+02:00 fsp01 rsyslogd-pstats: main Q: size=9972 > enqueued=5096315 full=158942 discarded.full=0 discarded.nf=0 > maxqsize=10000 > 2013-06-03T23:10:09.895850+02:00 fsp01 rsyslogd-pstats: main Q: size=9986 > enqueued=5129162 full=159969 discarded.full=0 discarded.nf=0 > maxqsize=10000 > 2013-06-03T23:11:42.488505+02:00 fsp01 rsyslogd-pstats: main Q: size=9973 > enqueued=5159935 full=160933 discarded.full=0 discarded.nf=0 > maxqsize=10000 > 2013-06-03T23:13:23.213800+02:00 fsp01 rsyslogd-pstats: main Q: size=9973 > enqueued=5193246 full=161973 discarded.full=0 discarded.nf=0 > maxqsize=10000 > 2013-06-03T23:14:58.833570+02:00 fsp01 rsyslogd-pstats: main Q: size=9970 > enqueued=5224922 full=162962 discarded.full=0 discarded.nf=0 > maxqsize=10000 > 2013-06-03T23:16:35.184133+02:00 fsp01 rsyslogd-pstats: main Q: size=9975 > enqueued=5256863 full=163960 discarded.full=0 discarded.nf=0 > maxqsize=10000 > 2013-06-03T23:18:13.992958+02:00 fsp01 rsyslogd-pstats: main Q: size=9991 > enqueued=5289392 full=164977 discarded.full=0 discarded.nf=0 > maxqsize=10000 > 2013-06-03T23:19:52.464473+02:00 fsp01 rsyslogd-pstats: main Q: size=9942 > enqueued=5322013 full=165996 discarded.full=0 discarded.nf=0 > maxqsize=10000 > > 4)Why on the client enqueued value never decrease and full= is always > different of 0? > > I'm planning to distribute the 20 client to 2 process of rsyslog server > on different port on the same server but I think your help about the right > combination of action queue on client and main queue on server. > > On rsyslog documentation I've found a lot of info about to handle input > queue (# thread, max messages and DequeuBatch) but I dont' know how to > rsyslog should better work on receiver server. > I've seen that the rsyslog 7.2 process on server use only one CPU each > time, while the server has 4CPU and 12GB ram on 64bit O.S. > 5)Some option during configuration process can change this behavior ? > $ ./configure --prefix=/usr/local/rsyslog7 --enable-gnutls --enable-imfile > --enable-omruleset --enable-imptcp --enable-mmnormalize --enable-usertools > --enable-imdiag --enable-diagtools --enable-impstats > > > Regards, > Roberto. > _______________________________________________ > rsyslog mailing list > http://lists.adiscon.net/mailman/listinfo/rsyslog > http://www.rsyslog.com/professional-services/ > What's up with rsyslog? Follow https://twitter.com/rgerhards > NOTE WELL: This is a PUBLIC mailing list, posts are ARCHIVED by a myriad > of sites beyond our control. PLEASE UNSUBSCRIBE and DO NOT POST if you > DON'T LIKE THAT. > _______________________________________________ > rsyslog mailing list > http://lists.adiscon.net/mailman/listinfo/rsyslog > http://www.rsyslog.com/professional-services/ > What's up with rsyslog? Follow https://twitter.com/rgerhards > NOTE WELL: This is a PUBLIC mailing list, posts are ARCHIVED by a myriad > of sites beyond our control. PLEASE UNSUBSCRIBE and DO NOT POST if you > DON'T LIKE THAT. > _______________________________________________ rsyslog mailing list http://lists.adiscon.net/mailman/listinfo/rsyslog http://www.rsyslog.com/professional-services/ What's up with rsyslog? Follow https://twitter.com/rgerhards NOTE WELL: This is a PUBLIC mailing list, posts are ARCHIVED by a myriad of sites beyond our control. PLEASE UNSUBSCRIBE and DO NOT POST if you DON'T LIKE THAT.

