Application Monitoring using Datadog

Application monitoring is being talked about a lot these days and it helps provide key information that is helpful in developing better software and also in taking some key business decision. Datadog offers monitoring as a service.

1. @muktaaWe are hiring! Send resume to: [email protected]
Application Monitoring
using Datadog
MuktaAphale
(DevOps Practice Head, WhiteHedge Technologies)
12 Dec 2015, DevOps Meetup, Pune

2. @muktaaWe are hiring! Send resume to: [email protected]
WhiteHedge Technologies

3. @muktaaWe are hiring! Send resume to: [email protected]
Application Monitoring
•Ensure that a software application processes and performs in an
expected manner and scope
APM Runtime+Metrics
Health+of+the+
application
Health+of+
infrastructure
Provide+
system/application+
feedback
Continuous+
Improvement

4. @muktaaWe are hiring! Send resume to: [email protected]
Datadog
•Monitoring as a Service
•Agent Based
•Python
•Integrations
•Dashboards
•Tagging
•Alerts
•Checks

5. @muktaaWe are hiring! Send resume to: [email protected]
Environment

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Challenge
•Monitor System Health
•Monitor Redis, MongoDB
•Application (API Server) runs as dockercontainer
•Monitor application performance
•Logging slowed down performance
•Rapid development, No feedback mechanism
•Insight in application needed by management
•Insight needed by support, devopsand developers

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Integration Dashboards

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AWS

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Amazon -ElastiCache

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System Overview

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But…
•How to impress the management?! !
•How to deal with X environments and Y
versions?
•How to measure performance, without
affecting performance?

12. @muktaaWe are hiring! Send resume to: [email protected]
Overview Dashboard
Dummy
Dummy
Dummy
Dummy
Dummy

13. @muktaaWe are hiring! Send resume to: [email protected]
Debug: API Error Rate
Which+endpoint+is+having+more+errors?+Which+error+codes+are+being+thrown?Search+logs+in+Logglyif+needed.

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DatadogTags
•Inherited from
Integrations
•Custom tags

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TemplatedDashboards
•Dashboard variables
•Dynamically explore metrics

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DatadogAPI
•We can code:
•Instance configuration
•Infrastructure
•Deployments
•Why not monitoring?!
•Datadoghas great API

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Datadogmodule for nodejs

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Measuring http response times from
application code

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Plot it!
Dummy1
Dummy2
Dummy3
Dummy4
Dummy+Data

20. @muktaaWe are hiring! Send resume to: [email protected]
What about performance while tracking
performance?
•Metrics from code are sent to local datadogagent using UDP
•Local datadogagent syncs the metrics to the datadogserver
•Datadogdashboard reflects the metrics with some delay
•Application performance does not get affected

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Alerts

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DatadogChecks
•Collect metrics from datadogagent check
•Out of the box agent checks
•Custom agent checks in Python
•Interesting use cases:
•Keep alive check (Service is up)
•Network Check (HTTP, TCP)
•Validate response for expected data

23. @muktaaWe are hiring! Send resume to: [email protected]
Using Datadogwe could…
•Monitor dynamic infrastructure
•Monitor system health
•Monitor application availability
•Monitor application performance
•Show application & infra health graphically
•Provide feedback about health of system

24. @muktaaWe are hiring! Send resume to: [email protected]
Thank You!
Questions?
We are Authorized DatadogPartners!
You can write to me at:
[email protected]
Twitter: @muktaa