Disruptor

Transcript

1. Disruptor By Viney

2. What's that?

3. Like: syslog fluentd

4. Speed = Money

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6. PubSub model

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8. Data in Queue related to policy

9. End to end Latency = computational time + latency of

   moving data

10. Blocking Queue 4 array-based 4 linked list based

11. Racing issue

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13. Synchronization Lock

14. Issues 4 Repeatedly accessing data in memory 4 Not cache-friendly

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36. Performance https://colobu.com/2016/07/22/using-go-disruptor/ 4 Java Disruptor : 183486238 ops/s 4 go-disruptor

    : 137931020 ops/s 4 go channel : 6995452 ops/s

37. What if we have a slow consumer? 4 batching effect

    4 multiple consumers
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39. What if the buffer is constantly full? 4 enhance ring

    size 4 seperate producers 4 multiple Disruptors

40. When to use it? 4 low latency required

41. reference 4 https://lmax-exchange.github.io/disruptor/files/ Disruptor-1.0.pdf 4 https://github.com/smartystreets-prototypes/go- disruptor

42. Q&A