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Bottleneck Analysis - GOTO 2012

Avatar for Adrian Cockcroft Adrian Cockcroft
October 03, 2024
Technology
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20

Bottleneck Analysis - GOTO 2012

Avatar for Adrian Cockcroft

Adrian Cockcroft

October 03, 2024
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Transcript

  1. None
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  4. Bottle delivery data Interval Response Time Throughput 10 3.1 22

    20 1.2 41 30 7.9 32 … … …

  5. Grab some data (using R) beer <- read.csv(url("http://staash.com/beer_operation s.csv")) response

    <- beer[,2] plot(response, type="S",ylab=”response”)

  6. Bottle delivery response over time

  7. Analysis > summary(response) Min. 1st Qu. Median Mean 3rd Qu.

    Max. 1.909 2.550 2.820 3.086 3.214 67.680 > quantile(response,c(0.95,0.99)) 95% 99% 4.149556 6.922115 > sd(response) 1.941328 > mean(response) + 2 * sd(response) 6.968416

  8. chp(throughput,response,q=1.0) (See http://perfcap.blogspot.com/search?q=chp)

  9. None
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  18. Scalability plots generated using appdynamics.com

  19. Well behaved Lock Contention Oscillating, thread shortage Looping autoscaled Bottlenecks

  20. http://perfcap.blogspot.com/search?q=chp @adrianco