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StatsD Introduction 
Rick chang
Agenda 
History! 
Architecture! 
Concept! 
Demo! 
Implementation
History 
StatsD is a front-end proxy for the Graphite/ 
Carbon metrics server.! 
Originally written by Etsy’s Erik Kastner...
StatsD in many languages 
Flickr’s StatsD: Perl. The real original statsd from 2008.! 
Etsy’s statsd: Node.js. The new sta...
Architecture 
Your App send data to StatsD by UDP port 
8125! 
StatsD send data to Carbon by TCP port 2003
Metric Types 
Count [key]:[value]|c! 
sample.counter:1|c! 
At each flush the current count is sent and reset to 0! 
Sampli...
Metric Types 
Gauge [key]:[value]|g! 
sample.gauge:75|g! 
If the gauge is not updated at the next flush, 
it will send the...
Metric Types 
Set [key]:[value]|s! 
sapmle.set:4219|s! 
Counting unique occurrences of events between 
flushes, using a Se...
Metric Types 
Timing [key]:[value]|ms! 
sample.timer:10000|ms! 
Scenarios! 
To calculate the difference time! 
Response ti...
Demo
StatsD Server 
Install Node before using npm! 
Install StatsD! 
npm install -g statsd! 
Run StatsD! 
node stats.js config....
config.js! 
Statsd UDP port: 8125! 
Backends: [ "./backends/ 
console", "./backends/ 
graphite" ] 
{ 
graphitePort: 2003, ...
StatsD Clients 
Node client! 
https://github.com/msiebuhr/node-statsd- 
client! 
Java client! 
https://github.com/tim-grou...
Node Client 
var SDC = require(‘statsd-client');! 
Increment! 
sdc.increment("sample.counter");! 
sdc.increment("sample.my...
Node Client 
Set! 
sdc.set("sapmle.set", randomInteger(10000));! 
Timer! 
timer = new Date();! 
sdc.timing("sample.timer",...
Java Client 
public 
class 
Foo 
{ 
private 
static 
final 
StatsDClient 
statsd 
= 
new 
NonBlockingStatsDClient("my.pref...
CollectD vs StatsD? 
CollectD: Collect system data! 
StatsD: Collect application data
Next?
Further Items 
StatsD Cluster Proxy! 
Refactor 3DS FrontServer! 
Collect response time during component 
communication! 
C...
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StatsD is a front-end proxy to send calcuated time series data to Graphite/Carbon server.

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Statsd introduction

  1. 1. StatsD Introduction Rick chang
  2. 2. Agenda History! Architecture! Concept! Demo! Implementation
  3. 3. History StatsD is a front-end proxy for the Graphite/ Carbon metrics server.! Originally written by Etsy’s Erik Kastner! The first idea from Flickr by Cal Henderson! Implemented in Node
  4. 4. StatsD in many languages Flickr’s StatsD: Perl. The real original statsd from 2008.! Etsy’s statsd: Node.js. The new statsd.! petef-statsd: Ruby. Supports AMQP.! quasor/statsd: Ruby. can send data to graphite or mongoDB! py-statsd: Python (including python client code).! statsd.scala: Scala. Sends data to Ganglia instead of Graphite. Different messaging protocol, uses JSON.! statsd-c: C. compatible with original etsy statsd! bucky: Python. A small server for collecting and translating metrics for Graphite. It can current collect metric data from CollectD daemons and from StatsD clients. Reference: http://www.joemiller.me/2011/09/21/list-of-statsd-server-implementations/
  5. 5. Architecture Your App send data to StatsD by UDP port 8125! StatsD send data to Carbon by TCP port 2003
  6. 6. Metric Types Count [key]:[value]|c! sample.counter:1|c! At each flush the current count is sent and reset to 0! Sampling! sample.counter:1|c@0.1! sent sampled every 1/10th of the time! Scenarios! View count Reference: https://github.com/etsy/statsd/blob/master/docs/metric_types.md
  7. 7. Metric Types Gauge [key]:[value]|g! sample.gauge:75|g! If the gauge is not updated at the next flush, it will send the previous value.! Scenarios! Resource number
  8. 8. Metric Types Set [key]:[value]|s! sapmle.set:4219|s! Counting unique occurrences of events between flushes, using a Set to store all occurring events.! Scenarios! Unique user count
  9. 9. Metric Types Timing [key]:[value]|ms! sample.timer:10000|ms! Scenarios! To calculate the difference time! Response time calculation
  10. 10. Demo
  11. 11. StatsD Server Install Node before using npm! Install StatsD! npm install -g statsd! Run StatsD! node stats.js config.js
  12. 12. config.js! Statsd UDP port: 8125! Backends: [ "./backends/ console", "./backends/ graphite" ] { graphitePort: 2003, graphiteHost: "graphite.hostname", address: "127.0.0.1", port: 8125, mgmt_address: "127.0.0.1", mgmt_port: 8126, backends: [ "./backends/ graphite" ], graphite: { legacyNamespace: false, globalPrefix: "stats", prefixCounter: "counters", prefixTimer: "timers", prefixGauge: "gauges", prefixSet: "sets" } } StatsD Server
  13. 13. StatsD Clients Node client! https://github.com/msiebuhr/node-statsd- client! Java client! https://github.com/tim-group/java-statsd- client Reference: https://github.com/etsy/statsd/wiki
  14. 14. Node Client var SDC = require(‘statsd-client');! Increment! sdc.increment("sample.counter");! sdc.increment("sample.mycounter", 10);! Gauge! sdc.gauge("sample.gauge", randomInteger(100));
  15. 15. Node Client Set! sdc.set("sapmle.set", randomInteger(10000));! Timer! timer = new Date();! sdc.timing("sample.timer", timer);
  16. 16. Java Client public class Foo { private static final StatsDClient statsd = new NonBlockingStatsDClient("my.prefix", "statsd-­‐host", 8125); ! public static final void main(String[] args) { statsd.incrementCounter("bar"); statsd.recordGaugeValue("baz", 100); statsd.recordExecutionTime("bag", 25); statsd.recordSetEvent("qux", "one"); }
  17. 17. CollectD vs StatsD? CollectD: Collect system data! StatsD: Collect application data
  18. 18. Next?
  19. 19. Further Items StatsD Cluster Proxy! Refactor 3DS FrontServer! Collect response time during component communication! Collect data from GPS (Windows)
  • osaleh84

    Mar. 12, 2017
  • persiacai

    Mar. 12, 2017
  • ladislavprskavec

    Feb. 21, 2017
  • bbkingtw

    Dec. 13, 2015
  • AdilHafeez

    Jul. 6, 2015

StatsD is a front-end proxy to send calcuated time series data to Graphite/Carbon server.

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