Update benchmarks

I found Apache Bench to be pretty unreliable, so decided to use WRK instead.

README.md

@@ -13,7 +13,7 @@ A simple URL redirector. Allows you to define shortcuts to pages. I find it fast
 
 ## Overview
 
-ZAP is a simple go app that sends 302 redirects. That's it. It was written in just a few hours in between random household tasks. It helps people be more efficient by providing simple shortcuts for common pages.
+ZAP is a simple go app that sends 302 redirects. It's insanely fast, maxing out at over 150k qps. It helps people be more efficient by providing simple shortcuts for common pages.
 
 ## Installation
 
@@ -136,24 +136,47 @@ For the advanced users running zap on a server on an internal network, I suggest
 
 ## Benchmarks
 
+Benchmarked with [wrk2](https://github.com/giltene/wrk2) on Ubuntu 16.04 using an i5 4590 CPU.
 ```
-# Trial 1: localhost
-$ ab -n 10000 -c 100 http://localhost:8927/
-Requests per second: 39888.31 [#/sec] (mean)
-Time per request: 2.507 [ms] (mean)
-
-# Trial 2: Hitting server on LAN over gigabit, zap behind nginx proxy
-$ ab -n 10000 -c 100 http://server/z
-Requests per second: 12671.57 [#/sec] (mean)
-Time per request: 7.892 [ms] (mean)
-
-# Go benchmarks
-$ go test -bench=.
-BenchmarkIndexHandler-8 1000000 1679 ns/op
+# Maxing out QPS.
+$ wrk -t2 -c10 -d30s -R500000 http://127.0.0.1:8989/h
+ Thread Stats Avg Stdev Max +/- Stdev
+ Latency 3.40s 1.96s 6.79s 57.82%
+ Req/Sec 80.22k 320.00 80.57k 50.00%
+Requests/sec: 161077.54
+
+# Getting max users while longest request under 15ms
+$ ./wrk -t2 -c10 -d20s -R120000 http://127.0.0.1:8989/h
+ Thread Stats Avg Stdev Max +/- Stdev
+ Latency 1.15ms 0.93ms 14.38ms 81.79%
+ Req/Sec 63.24k 7.18k 110.89k 76.92%
+Requests/sec: 119932.12
+
 ```
+As you can see, zap peaks at around ~160k qps, and can sustain ~120k qps with an average response under 15ms.
+
+Note: The config used was:
 
-When we run zap locally we easily hit almost 40k qps. Even when behind an nginx proxy, running on a server that I
-mercilessly abuse we still get a respectable ~13k QPS.
+```
+e:
+ expand: example.com
+ a:
+ expand: apples
+ b:
+ expand: bananas
+g:
+ expand: github.com
+ d:
+ expand: issmirnov/dotfiles
+ s:
+ query: search?q=
+ z:
+ expand: issmirnov/zap
+'127.0.0.1:8989':
+ expand: '127.0.0.1:8989'
+ h:
+ expand: healthz
+```
 
 ## Contributing