Re: Poor web interface performance
Luca Deri <[email protected]>
| Newsgroups | gmane.linux.ntop.general |
|---|---|
| Message-ID | <[email protected]> |
Ken, I think this is a DNS issue. Can you please capture with tcpdump the hosts being resolved (e.g. due to HTML code in ntopng) and report? Regards Luca On 03/23/2018 03:09 AM, Ken Kirchner wrote: > Hello all, > > I’ve setup a new VM as an ntopng server. I have allocated 4 cpu’s and 8GB of ram. This runs on an all flash array. The host OS is an up to date Red Hat Linux v7.4 with ntopng v3.2-stable branch deployed. I have a dedicated web management ethernet interface and a probe interface. > > It works, but the web interface is very unresponsive and often reports time out errors in my browser (Firefox and Chrome). It is nearly unusable yet top reports almost no CPU being used. There is only a trickle of data being monitored and the VM is mostly idle, so I cannot imagine what the problem is. > > This is in a mostly isolated environment, so I have turned off DNS resolution (-n=3). Could AS lookups or some other internet required query be the cause? > > What can I check next? If I run tcpdump on the probe interface it looks fine, no packets dropped. I cannot demo this to my boss with this behavior. > > -Ken K. > _______________________________________________ > Ntop mailing list > [email protected] > http://listgateway.unipi.it/mailman/listinfo/ntop _______________________________________________ Ntop mailing list [email protected] http://listgateway.unipi.it/mailman/listinfo/ntop