Peter, Would the log tailer work for tomcat as well? Would you recommend sflow over the log tailer? Thanks!
On Thu, Dec 31, 2015 at 3:27 PM, Peter Phaal <peter.ph...@gmail.com> wrote: > Vladimir's blog has a solution that involves tailing the Apache log files: > http://vuksan.com/linux/ganglia/#Apache_Traffic_Stats > > The sFlow protocol packs a large number of metrics in each UDP > datagram, so you should see a reduction in UDP datagrams per second > associated with monitoring. The C based mod-sflow / host-sflow agents > have a small memory and CPU footprint. > > On Thu, Dec 31, 2015 at 3:14 PM, Aaron <hawaiiaa...@gmail.com> wrote: > > Thanks Peter. Is there a way to use more a pure ganglia solution? Will > > sflow generate more udp traffic and/or cpu cycles? > > > > On Thu, Dec 31, 2015 at 12:05 PM, Peter Phaal <peter.ph...@gmail.com> > wrote: > >> > >> You could use a combination of Host sFlow and mod-sflow on your Apache > >> web servers: > >> http://www.sflow.net/ > >> https://github.com/sflow/mod-sflow > >> > >> The following article describes how to configure the head-end gmond: > >> http://blog.sflow.com/2011/12/using-ganglia-to-monitor-web-farms.html > >> > >> mod-sflow also exports Apache worker pool stats to Ganglia: > >> http://blog.sflow.com/2012/10/thread-pools.html > >> > >> mod-sflow also exports URL, referrer, user-agent, response time and > >> status code information that you can use to derive metrics for each > >> web service. You could use sFlow-RT to calculate the derived metrics > >> and proxy them to gmetad: > >> > >> > http://blog.sflow.com/2015/12/using-proxy-to-feed-metrics-into-ganglia.html > >> > >> On Thu, Dec 31, 2015 at 10:40 AM, Aaron <hawaiiaa...@gmail.com> wrote: > >> > Hi, I would like to monitor linux apache servers where the apache > >> > servers > >> > would have gmond running, and the stats would be reported back to the > >> > ganglia server running gmetad and ganglia web to be displayed in a > >> > graph. > >> > Is there a php or python script to do this? Any recommendations? > >> > > >> > Thanks, Aaron > >> > > >> > > >> > > ------------------------------------------------------------------------------ > >> > > >> > _______________________________________________ > >> > Ganglia-general mailing list > >> > Ganglia-general@lists.sourceforge.net > >> > https://lists.sourceforge.net/lists/listinfo/ganglia-general > >> > > > > > >
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