Graphite Overview

Transcript

1. Graphite Srinivas Singanamalla
2. Monitoring
3. What is Graphite? • System to capture metrics • Created by Chris Davis, an engineer at Orbitz • Metrics out of sequence 09:05:30 cpu 30 09:05:00 cpu 50
4. Keep it Simple • $ echo "foo.bar 41 `date +%s`" | nc graphite- server.example.com 2003
5. Components 3 Layer Architecture Metrics processor Whisper UI
6. Whisper Database • Fixed size time series • Example – 10s:6h è 2160 points – 60s:1d
7. Whisper Format metric_abc 9:30:00 15 10:00:00 20 Retention Policy: 30m:1h
8. Carbon-cache
9. Carbon-relay
10. Carbon-aggregator
11. Aggregation Example
12. Using carbon-aggregator
13. Summary • Graphite is kept Simple • Uses Whisper Storage • Carbon-cache daemon is most important
14. Rollup • 10s:100y è 370MB
15. Questions
16. Detailed Diagram
17. Basic Scenario
18. Create Whisper • $ whisper-create.py foo.wsp 1m:2w 5m:3y