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How to Monitor Google Cloud VM Memory Usage?

google cloud platform
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Ever wondered how to get the memory utilization metrics on Google Cloud VM?

While working with the cloud providers I have seen sometimes Memory metrics not available in the monitoring dashboard. I always wanted to know & find the easiest way to get real-time data metrics of Linux VM.

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After looking around & checking on the internet, I come across two possible ways to get the memory metrics.

Using Google Cloud Monitoring

Formally known as Stackdriver, you can install a monitoring agent on the VM which starts pushing memory and disk metrics.

curl -sSO https://dl.google.com/cloudagents/add-monitoring-agent-repo.sh
sudo bash add-monitoring-agent-repo.sh --also-install
  • Once an agent is up & running metrics will be available in the monitoring tab of VM.

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Using Netdata

If you need more than monitoring metrics, you can use lightweight software monitoring software such as Netdata.

Netdata is an open-source real-time monitoring tool that collects the metrics from the system & application. It is agent-based which means you need to install it on your server. It supports all major UNIX distro such as Ubuntu, CentOS, Debian, and container platforms like Docker, Kubernetes.

  • To install Netdata on VMs we can use this one-liner command.
bash <(curl -Ss https://my-netdata.io/kickstart.sh)
  • Once the process gets complete we can check the service status using
service netdata status

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  • Once service is active & running we can check the Netdata dashboard which listen on port 19999
http://servername:19999

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I hope this gives you a quick idea about monitoring the memory of Google Cloud VM.

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