Thanks Rainer! I am using Ubuntu 10.04 LTS and 4.2.0 is the version which gets install by apt-get. I will try to install newer version.
BTW, what should be the expected performance (messages/sec) for sending and receiving messages over UDP? Thanks again, Gaurav On Thu, Jan 12, 2012 at 3:45 AM, Rainer Gerhards <[email protected]>wrote: > I guess your problem is rooted in name resolution. A full blown DNS cache > has > only recently been introduced in v6. Previous version had limited caching, > which usually works well, but not in all cases. Also 4.2.0 is *way > outdated*, > so probably the issue (if it is one rooted in code) may be solved by > running > the current 4.8.6 version. > > HTH > Rainer > > > -----Original Message----- > > From: [email protected] [mailto:rsyslog- > > [email protected]] On Behalf Of Gaurav Kumar > > Sent: Thursday, January 12, 2012 9:40 AM > > To: [email protected] > > Subject: [rsyslog] udp forwarding performance > > > > Hi all, > > I am wondering if anybody has performance testing numbers for rsyslog > > forwarding (using UDP) ? > > > > Currently, I am forwarding all of my rsyslog messages from one host to > > another host (also running rsyslog). Both hosts are running version > > 4.2.0. > > I am seeing throughput of about 2k-3k messages/second on receiver. If I > > try > > to send more messages from sender, I find that receiver's rsyslog is > > dropping logs. Both hosts share same virtual network with network > > latency > > of just about 1-2 ms. Both hosts have 2 virtual CPUs and 2 GB RAM. > > > > As per http://blog.gerhards.net/2008/10/rsyslog-performance.html it > > seems > > that rsyslog is capable of performing processing 100k messages/second. > > > > Can someone please clarify that this number (100k) is for local syslog > > messages only? (as opposed to receiving 100k messages/second over > > network) > > > > My intent is to find out what is the expected number of messages that > > rsyslog can forward to other rsyslog host? (assuming average host spec- > > dual core, 2 GB RAM) > > > > Cheers, > > Gaurav > > _______________________________________________ > > rsyslog mailing list > > http://lists.adiscon.net/mailman/listinfo/rsyslog > > http://www.rsyslog.com/professional-services/ > _______________________________________________ > rsyslog mailing list > http://lists.adiscon.net/mailman/listinfo/rsyslog > http://www.rsyslog.com/professional-services/ > _______________________________________________ rsyslog mailing list http://lists.adiscon.net/mailman/listinfo/rsyslog http://www.rsyslog.com/professional-services/
