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Bottleneck analysis - Devopsdays Silicon Valley 2013
1.
2.
3.
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.
10.
11.
12.
13.
14.
15.
16.
17.
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
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