Datadog Assignment - 17Jan

What is Datadog Agent?
The Datadog Agent is leightweight software that runs on hosts. Its function is to collect events and metrics from hosts and sends them to Datadog, where one can analyze and monitor performance metrics.

What are list of methods to send data to Datadog?
Collector and DatastatsD collets data from host infra and host application metrics and send to forwarder using TCP protocol
Forwarder send data to DataDog cloud using http protocol.

Top 10 commands of Datadog Agent
datadog-agent check
datadog-agent status
datadog-agent stop
datadog-agent run
datadog-agent hostname
datadog-agent launch-gui
datadog-agent version
datadog-agent diagnose
datadog-agent config
datadog-agent healthh

Top 10 Techniques for troubleshooting Datadog Agent
Check Datadog Agent Process is running or not
Check Datadog Agent Logs for Error
Check Datadog Agent Configuration file(datadog.yaml) syntax error
Check Datadog Integration Configuration file(datadog.yaml) syntax Error
Check Datadog Agent API Key in datadog.yaml
Print the runtime configuration of a running agent
Print all configurations loaded & resolved of a running agent
Execute some connectivity diagnosis on your system
Print the current agent health
Print basic statistics on the metrics processed by dogstatsd.

Top 10 Metrices of Linux Servers which you should care it?
system.cpu.idle
system.cpu.iowait
system.cpu.system
system.cpu.user
system.disk.in_use
system.disk.total
system.disk.used
system.disk.write_time
system.mem.total
system.mem.usable
system.mem.used

Write down the steps to enable any integration in datadog?
Install datadog-agent
Integrate any service like apache by going to Integration- Integrations and search for the service and Install it
Follow the steps to configure that connection in the config files
Validate

Top 10 Metrices of Windows Servers which you should care it?
system.cpu.idle
system.cpu.system
system.cpu.user
system.disk.free
system.disk.in_use
system.disk.used
system.mem.cached
system.mem.committed
system.mem.total
system.mem.used

Top 5 Metrices of Apache which you should not miss it?
apache.net.bytes_per_s
apache.net.request_per_s
apache.performance.busy_workers
apache.performance.cpu_load
apache.performance.max_workers