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Pretty Nagios Charts

This article explores how to improve Nagios monitoring by using Pretty Nagios Charts, a tool by Alexis Lê-Quôc. It discusses the importance of monitoring, how to analyze Nagios logs, and how to create nice graphs using R and ggplot2.

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Pretty Nagios Charts

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  1. Pretty Nagios Charts • Alexis Lê-Quôc (@alq) • http://dtdg.co/nagios2012

  2. Pretty Nagios Charts • Alexis Lê-Quôc (@alq) • http://dtdg.co/nagios2012

  3. @alq Dev & Ops Nagios user since 2008 Datadog co-founder

  4. Survey

  5. Compared to Nagios World 2011...

  6. Is your Nagios doing... (a) Better (b) About the same (c) Worse

  7. Why does it matter?

  8. How do you find out?

  9. MemoryAnalytics

  10. First, the pipeline

  11. Your Nagios logsare a treasure

  12. Comprehensive Accurate Written for you

  13. Hard to comprehend

  14. Query Extract Analyze Present IngredientsRaw logsSimple parserSQL databaseR ggplot2 or d3.js

  15. nagios.log PostgreSQL R ggplot2 Nice graphs

  16. Python nagios.log nagios.csv nagios table Postgres R Data Frame ggplot2 PDF RPostgresql

  17. Let’s play!

  18. 5 lines of R

  19. Data Geometry Chrome ggplot(dd_by_day_raw, aes(occurrence_doy, daily, color=factor(notifying)))+ geom_line()+ xlab("Day of year")+ ylab("Service Alerts")+ ggtitle("Notifying v. silent alerts per day")

  20. Linear regression ggplot(dd_by_day_raw, aes(occurrence_doy, daily))+ geom_line()+ geom_smooth()+ xlab("Day of year")+ ylab("Service Alerts")+ ggtitle("Daily trends")

  21. ggplot(dd_by_day_raw, aes(occurrence_doy, daily, color=factor(notifying)))+ geom_line()+ geom_smooth()+ xlab("Day of year")+ ylab("Service Alerts")+ ggtitle("Notifying v. silent alerts per day")

  22. Tuesdays???

  23. ggplot(dd_by_hod, aes(occurrence_dow, daily, group=occurrence_dow))+ geom_boxplot()+ scale_x_discrete(breaks=seq(0, 6), labels=c("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"))+ xlab("Day of the week")+ ylab("Number of alerts")+ ggtitle("Daily distribution")

  24. As a Service Fun with Nagios stats...

  25. Performance Metrics Nagios Traffic Other Sources Real-time graphs + analytics

  26. Play Stack: • parser • postgres • R • ggplot2 • Service Stack: • parser • postgres • Hadoop • d3.js

  27. Quick demo

  28. Real-Time Graphing And more... “Share what you see” Metric-based Alerts Correlation

  29. Curious? http://datadoghq.com

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