Observability in DevOps with Modern Distributed Applications
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Observability in DevOps with Modern Distributed Applications
Dave Mangot Head of Site Reliability Engineering, SolarWinds Cloud @davemangot
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© 2017 SOLARWINDS WORLDWIDE, LLC. ALL RIGHTS RESERVED.© 2017 SOLARWINDS WORLDWIDE, LLC. ALL RIGHTS RESERVED.
About Me
• 20+ years in systems engineering, have led DevOps and operational maturity transformations at multiple companies
• Big companies: Cable & Wireless, Salesforce, SolarWinds
• Small Companies: Terracotta, Tagged, Librato
• International DevOps contributor
@davemangot
5/9/16 2
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© 2017 SolarWinds Worldwide, LLC. All rights reserved.
SolarWinds company overview: Quick facts
• Founded in 1999, over 18 years in the industry
• Over 250,000 customers in 170 countries, including 425 of the Fortune 500®
• Global headquarters in Austin, Texas, with 2,300 employees worldwide
• SolarWinds was taken private by private equity investment firms Thoma Bravo and Silver Lake Partners in February 2016
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but we wouldn’t be upset if you did :)
You do not need to purchase these solutions from SolarWinds!
Disclaimer:
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DevOps
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DevOps
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DevOps is a collaboration between Development, Operations and other teams with the recognition that we are tasked with achieving common business goals.
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The 3 Ways of DevOps
16http://itrevolution.com/the-three-ways-principles-underpinning-devops/
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The 3 Ways of DevOps
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Feedback
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2nd Way of DevOps
The Second Way is about creating the right to left feedback loops. The goal of almost any process improvement initiative is to shorten and amplify feedback loops so necessary corrections can be continually made. The outcomes of the Second Way include understanding and responding to all customers, internal and external, shortening and amplifying all feedback loops, and embedding knowledge where we need it.
19http://itrevolution.com/the-three-ways-principles-underpinning-devops/
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If it’s not monitored, it doesn’t exist
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Uptime Monitoring
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Uptime Monitoring
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https://blog.gigaspaces.com/amazon-found-every-100ms-of-latency-cost-them-1-in-sales/
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Latency matters. Amazon found every 100ms of latency cost them 1% in sales. Google found an extra .5 seconds in search page generation time dropped traffic by 20%.
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You can’t improve what you don’t measure
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Observability
30https://peter.bourgon.org/blog/2017/02/21/metrics-tracing-and-logging.html
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Logging (events)
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Logging
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tail -f /var/log/messages
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Application Development/Troubleshooting
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Setup
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Logging
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• Application Development
• Troubleshooting
• Deployments
• Search Alerts
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Shipping
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Search Alerts
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Papertrail
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Metrics (aggregatable)
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Infrastructure Metrics
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Host Metrics
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root 23706 1 0 Nov18 ? 00:00:00 /bin/sh -c start-stop-daemon --start --quiet --pidfile /var/run/appoptics/appoptics-snapteld.pid —chuid appoptics --exec /opt/appoptics/sbin/snapteld --oknodo --config /opt/appoptics/etc/config.yaml --pidfile /var/run/appoptics/appoptics-snapteld.pid
Host Metrics
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Host Metrics
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Application Metrics
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Kafka
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Custom Metrics
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Metric Submission
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api = librato.connect('email', 'token')
q = api.new_queue()
q.add('temperature', 22.1, tags={'location': 'downstairs'})
q.add('temperature', 23.1, tags={'location': 'upstairs'})
q.submit()
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Custom Metrics
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The 4 Golden Signals
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● Latency
● Traffic
● Errors
● Saturation
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The 4 Golden Signals
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Latency
The time it takes to service a request.
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The 4 Golden Signals
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Traffic
How much demand is being placed on your system.
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The 4 Golden Signals
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Errors
The rate of requests that fail either explicitly, implicitly, or by policy.
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The 4 Golden Signals
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Saturation
How “full” your service is.
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Tracing (request scoped)
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Distributed Tracing
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Web
App
Database
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Distributed Tracing
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Web
App
Database
X-Trace: 123654
X-Trace: 123654
X-Trace: 123654
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WHAT IS DISTRIBUTED TRACING?
HELP!No, help ME!
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export APPOPTICS_SERVICE_KEY="795fXXXXXXXe5f5b17c7:serviceA"
-javaagent:/usr/local/lib/appoptics-agent.jar
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Distributed Tracing
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Distributed Tracing
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Distributed Tracing
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Thanks!
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@davemangot