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Datadog Assignment: Infra (17th Jan' 23)

Q1. What is Datadog Agent?
Ans - Datadog Agent collects events and metrics from hosts and forwards them to Datadog.

Q2. What are list of methods to send data to Datadog?
Ans - Data can be sent to Datadog via container, cloud environment, application and forwarders. Example: Docker, AWs, Azure, GCP.

Q3. Top 10 commands of Datadog Agent
Ans - Following are the commands:

systemctl start datadog-agent
systemctl stop datadog-agent
systemctl restart datadog-agent
systemctl status datadog-agent
more /etc/datadog-agent/datadog.yaml
datadog-agent configcheck
datadog-agent config
datadog-agent health
datadog-agent hostname
datadog-agent version
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Q4. Top 10 Techniques for troubleshooting Datadog Agent
Ans - Following can be used for troubleshooting Datadog Agent:

  1. Check status of agent
  2. Restart the agent
  3. Check health of the agent

Q5. Top 10 Metrices of Linux Servers which you should care it?
Ans - Metrices are as follows:

  1. CPU usage
  2. Processes Memory usage
  3. Load Average
  4. Memory breakdown
  5. Disk usage by device (%)
  6. Disk Latency (by device)
  7. Network traffic (bytes per sec)

Q6. Write down the steps to enable any integration in datadog?
Ans - Following are the steps to integrate Apache in Datadog:

  1. Install datadog-agent
  2. Install Apache HTTPD server
  3. Click on Apache in the Integrations
  4. Enable mod_status & ExtendedStatus in Apache
  5. Enable Datadog Apache Integration
  6. Click on “Install Integration”
  7. Verify the Apache Metrix on Datadog Console

Q7. Top 10 Metrices of Windows Servers which you should care it?
Ans - Windows Metrices:

  • CPU
  • Memory
  • Disk
  • Network
  • Event logs

Q8. Top 5 Metrices of Apache which you should not miss it?
Ans - Metrices of Apache:

  • apache.performance.cpu_load
  • apache.performance.idle_workers
  • apache.performance.max_workers
  • apache.performance.busy_workers
  • apache.scoreboard.reading_request

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