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Nathaniel Cook, Software Developer - Team Lead
June 14 2018
Kapacitor
© 2018 InfluxData. All rights reserved.2
Overview
• Introduction to Kapacitor
• Installation Process
• Explore some use cases
© 2018 InfluxData. All rights reserved.3
Introduction to Kapacitor
Take action on your data
Runs as separate process
© 2018 InfluxData. All rights reserved.4
Installation
© 2018 InfluxData. All rights reserved.5
Installation Steps
$ wget https://dl.influxdata.com/kapacitor/releases/kapacitor_1.5.0_amd64.deb
$ sudo dpkg -i kapacitor_1.5.0_amd64.deb
$ kapacitord
$ kapacitor define mytask -tick path/to/script.tick
https://docs.influxdata.com/kapacitor/latest/introduction/getting_started/
© 2018 InfluxData. All rights reserved.6
Flow Programing
© 2018 InfluxData. All rights reserved.7
Flow Programing
Source Window Mean
● Data is processed at each node
● Data flows along edges
Result
© 2018 InfluxData. All rights reserved.8
Use Cases
© 2018 InfluxData. All rights reserved.9
Use Cases
• Preprocess ETL
• Postprocess ETL
• Alert on Relative Change
• Hot Cache
• Autoscale Services
• Forecast Time Series
Follow along with TICKscript using:
https://github.com/nathanielc/influxdays
© 2018 InfluxData. All rights reserved.10
Preprocess ETL
© 2018 InfluxData. All rights reserved.11
Preprocess ETL
InfluxDBKapacitorTelegraf
© 2018 InfluxData. All rights reserved.12
Postprocess ETL
© 2018 InfluxData. All rights reserved.13
Postprocess ETL
InfluxDB KapacitorTelegraf
© 2018 InfluxData. All rights reserved.14
Alert on Relative Change
© 2018 InfluxData. All rights reserved.15
Alert on Relative Change
Previous Current
Relative
Change
Difference
Trigger Alert
© 2018 InfluxData. All rights reserved.16
Hot Cache
© 2018 InfluxData. All rights reserved.17
Hot Cache
Kapacitor Client
© 2018 InfluxData. All rights reserved.18
Autoscale Services
© 2018 InfluxData. All rights reserved.19
Autoscaling
Kapacitor
Nodes
Cluster
Manager
© 2018 InfluxData. All rights reserved.20
Forecast
© 2018 InfluxData. All rights reserved.21
Forecast
Historical
Predicted
Forecast Trigger Alert
Current
© 2018 InfluxData. All rights reserved.22
Bring it All Together
© 2018 InfluxData. All rights reserved.23
Bring it All Together
Pick Any Combination of the use cases:
• Predictive Autoscaling
• Preprocess to clean data before forecasting
• Alert on relative change from predicted values
• Alert on autoscale events
• Hot cache autoscale metrics
© 2018 InfluxData. All rights reserved.24
Questions?
Twitter: @nathanielvcook
Github: nathanielc
Thank You

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Kapacitor Stream Processing

  • 1. Nathaniel Cook, Software Developer - Team Lead June 14 2018 Kapacitor
  • 2. © 2018 InfluxData. All rights reserved.2 Overview • Introduction to Kapacitor • Installation Process • Explore some use cases
  • 3. © 2018 InfluxData. All rights reserved.3 Introduction to Kapacitor Take action on your data Runs as separate process
  • 4. © 2018 InfluxData. All rights reserved.4 Installation
  • 5. © 2018 InfluxData. All rights reserved.5 Installation Steps $ wget https://dl.influxdata.com/kapacitor/releases/kapacitor_1.5.0_amd64.deb $ sudo dpkg -i kapacitor_1.5.0_amd64.deb $ kapacitord $ kapacitor define mytask -tick path/to/script.tick https://docs.influxdata.com/kapacitor/latest/introduction/getting_started/
  • 6. © 2018 InfluxData. All rights reserved.6 Flow Programing
  • 7. © 2018 InfluxData. All rights reserved.7 Flow Programing Source Window Mean ● Data is processed at each node ● Data flows along edges Result
  • 8. © 2018 InfluxData. All rights reserved.8 Use Cases
  • 9. © 2018 InfluxData. All rights reserved.9 Use Cases • Preprocess ETL • Postprocess ETL • Alert on Relative Change • Hot Cache • Autoscale Services • Forecast Time Series Follow along with TICKscript using: https://github.com/nathanielc/influxdays
  • 10. © 2018 InfluxData. All rights reserved.10 Preprocess ETL
  • 11. © 2018 InfluxData. All rights reserved.11 Preprocess ETL InfluxDBKapacitorTelegraf
  • 12. © 2018 InfluxData. All rights reserved.12 Postprocess ETL
  • 13. © 2018 InfluxData. All rights reserved.13 Postprocess ETL InfluxDB KapacitorTelegraf
  • 14. © 2018 InfluxData. All rights reserved.14 Alert on Relative Change
  • 15. © 2018 InfluxData. All rights reserved.15 Alert on Relative Change Previous Current Relative Change Difference Trigger Alert
  • 16. © 2018 InfluxData. All rights reserved.16 Hot Cache
  • 17. © 2018 InfluxData. All rights reserved.17 Hot Cache Kapacitor Client
  • 18. © 2018 InfluxData. All rights reserved.18 Autoscale Services
  • 19. © 2018 InfluxData. All rights reserved.19 Autoscaling Kapacitor Nodes Cluster Manager
  • 20. © 2018 InfluxData. All rights reserved.20 Forecast
  • 21. © 2018 InfluxData. All rights reserved.21 Forecast Historical Predicted Forecast Trigger Alert Current
  • 22. © 2018 InfluxData. All rights reserved.22 Bring it All Together
  • 23. © 2018 InfluxData. All rights reserved.23 Bring it All Together Pick Any Combination of the use cases: • Predictive Autoscaling • Preprocess to clean data before forecasting • Alert on relative change from predicted values • Alert on autoscale events • Hot cache autoscale metrics
  • 24. © 2018 InfluxData. All rights reserved.24 Questions? Twitter: @nathanielvcook Github: nathanielc