Datadog Fundamentals Flashcards
Port for most Agent Data (metric, APM, live processes)
443 tcp
Outbound port for NTP
123 udp
Port for log collection over TCP
10516
Port for the go_expvar server
5000/tcp
Port the IPC API listens to
5001 tcp
Port for the Agent browser GUI
5002 tcp
Port for the APM go_expvar server
5012 tcp
Port for DogStatsD unless dogstatsd_non_local_traffic is set to true. This port is available on localhost: 127.0.0.1
8125 udp
Port for the APM receiver
8126 tcp
Location of Agent main configuration file (linux)
/etc/datadog-agent/datadog.yaml
Agent configuration directory (linux)
/etc/datadog-agent/conf.d/
Agent configuration directory (Windows)
%ProgramData%\Datadog\conf.d
How to find the hostname used by the agent? (linux)
sudo datadog-agent hostname
Datadog APM employs ___ to optimize monitoring application performance
Distributed Tracing
Reserved Tag Keys are _____
host, device, source, service, env, version
How to enable live process monitoring in Windows
In Datadog.yaml set process_config: enabled: “true”
What needs to set to turn on debug in APM?
DD_TRACE_DEBUG environment variable
How to enable USM
DD_SYSTEM_PROBE_SERVICE_MONITORING_ENABLED=’true’
Signifies a Root user in Linux command prompt
#
Start Agent as a service (linux)
sudo systemctl start datadog-agent
Basic syntax to run agent in Windows
C:\Program Files\Datadog\Datadog Agent\bin\agent.exe <command></command>
How to list IP Ranges
GET https://ip-ranges.datadoghq.com/
What is dogstatsd?
a metrics aggregation service bundled with the Datadog Agent
Types of Endpoints for the API
Metrics, Events, and Synthetic Monitoring. The tracing agent API is used to send traces to the Datadog agent
Benefits of tagging
Identify issues faster, locate related events, filter more accurately
4 ways to assign tags
Config file, UI, API, DogstatsD
Agent log files location
linux - /var/log/datadog windows - C:\ProgramData\Datadog\logs
default tracer port
8126
Datadog offers 4 space aggregators
max, min, avg, sum
