Using netflow from Cisco 6500 w/nProbe v.7.3.151102 (r4648) for x86_64-unknown-linux-gnu (Debian 8.2) & ntopng 2.1.151102 - Professional Edition on a medium network. Starting nprobe w/nprobe --zmq "tcp://*:5556" -i none -n none --collector-port 2055 and ntopng via /etc/ntopng/ntopng.conf w/following parameters:
-G=/var/tmp/ntopng.pid -i=tcp://127.0.0.1:5556 -S=all -m=NETWORKS When we get ~90K hosts ntopng crashes after clicking on any links in UI with: WARNING: Script failure [/usr/share/ntopng/scripts/lua/pro/get_from_top_talkers_db.lua][not enough memory] and ntop must be restarted. I have taken steps illustrated in this thread with –x & -X but am surprised this issue is even happening as that thread is for a version <2.0 and we are using 2.1. I have downloaded latest releases from 12/18 for both ntopng & nprobe and will upgrade this evening. I am not able to confirm –X or –x as workaround as it is weekend. If it matters box is VM w/4 cores and 8GB of ram on IBM M3 4 host cluster. I have plenty of compute power to beef it up if need be.
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