Hi Ty, I wonder if it could be locking is necessary when reading from the memory table due to the sustained amount of inserts in your deployment. Can you try to append to your pmacct client command line a '-l' - and see if it makes any difference? Let me know.
Cheers, Paolo On Fri, Mar 16, 2012 at 05:37:04PM -0400, Ty Bell wrote: > Hi all, > > I'm running into an issue with nfacctd where random aggregate information > will be zero (specifically src and dst as, mask and net). Clearing the > statistics a few minutes after starting nfacctd only temporarily eliminates > the zeros. The zero entries are most obvious when using multiple aggregates, > but for testing purposes I've been using one aggregate at a time to see if it > was an issue with multiples. src_host, dst_host, src_port, dst_port, > in_iface, and out_iface all appear to be unaffected and always contain data > even when as mask and net do not. > > When using src_as, src_net and src_mask together, all fields would randomly > be zero. I ran tcpdump and I've been able to correlate the flows and verify > that as mask and net are all being received by the host, but are for some > reason not making it to the memory tables. > > I'm getting the following in the nfacctd.log, is this just a case of needing > additional memory (only 512MB on the host)? I briefly experimented setting > imt_mem_pools_number: 0 which drastically increased the number of records but > still did not eliminate the zero entry. > Mar 16 21:22:17 WARN ( in/memory ): Unable to allocate more memory pools, > clear stats manually! > > > Any input would be appreciated, my config is below. > > Thank you, > Ty Bell > > ---nfacctd config--- > > daemonize: true > pidfile: /var/run/nfacctd.pid > logfile: /usr/local/etc/nfacctd.log > nfacctd_disable_checks: true > nfacctd_ip: 140.182.44.155 > nfacctd_port: 2100 > nfacctd_as_new: bgp > nfacctd_net: bgp > > plugin_pipe_size: 10240000 > plugin_buffer_size: 10240 > > bgp_daemon: true > bgp_daemon_ip: 140.182.44.155 > bgp_daemon_max_peers: 10 > bgp_aspath_radius: 10 > bgp_follow_default: 10 > bgp_peer_src_as_type: bgp > !bgp_daemon_msglog: true > bgp_agent_map: /usr/local/etc/bgp_agent.map > > plugins: memory[in] > !, memory[out] > aggregate[in]: src_net > imt_path[in]: /tmp/nfacct_in.pipe > !aggregate[out]: dst_net, dst_mask, out_iface > !imt_path[out]: /tmp/nfacct_out.pipe > _______________________________________________ > pmacct-discussion mailing list > http://www.pmacct.net/#mailinglists _______________________________________________ pmacct-discussion mailing list http://www.pmacct.net/#mailinglists
