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ssinganamalla
June 24, 2017
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Graphite Overview
ssinganamalla
June 24, 2017
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Transcript
Graphite Srinivas Singanamalla
Monitoring
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
Keep it Simple • $ echo "foo.bar 41 `date +%s`"
| nc graphite- server.example.com 2003
Components 3 Layer Architecture Metrics processor Whisper UI
Whisper Database • Fixed size time series • Example –
10s:6h è 2160 points – 60s:1d
Whisper Format metric_abc 9:30:00 15 10:00:00 20 Retention Policy: 30m:1h
Carbon-cache
Carbon-relay
Carbon-aggregator
Aggregation Example
Using carbon-aggregator
Summary • Graphite is kept Simple • Uses Whisper Storage
• Carbon-cache daemon is most important
Rollup • 10s:100y è 370MB
Questions
Detailed Diagram
Basic Scenario
Create Whisper • $ whisper-create.py foo.wsp 1m:2w 5m:3y