Question

Outgoing Max Spike for Droplet

I have a Kubernetes Cluster running with 3 nodes setup. Things were running smooth but from 27th March onwards, I see a sudden spike in Outgoing Max going as high as 1 GB/s which is leading to massive Public Bandwidth usage for the droplet. Please help me dignose this.


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Hello,

Is it only the bandwidth that has increased or is it also the CPU and memory?

I could suggest checking a few things:

  • Check your logs to see if there is any suspicious amount of traffic hitting the cluster

  • Check your network connections using netstat -cWplant

  • Use lsof -i |grep -v 'localhost' to check all open files matching an internet address

  • Use ntop to monitor the network activity on a process level

Best,

Bobby