shortener

README

shortener

A sample URL Shortener written in GO

Run

In memory persistence

$ make run-in-memory
go run cmd/shortener-server/main.go
2017/05/01 12:30:06 server running at port 8080

With REDIS persistence

$ make run-with-redis
go run cmd/shortener-server/main.go -redis-addr "localhost:6379"
2017/05/01 12:30:06 server running at port 8080

Test

$ make test
go test -cover $(go list ./... | grep -v /vendor/)
?   	github.com/rafael84/shortener/cmd/shortener-server	[no test files]
ok  	github.com/rafael84/shortener/handler	0.016s	coverage: 100.0% of statements
ok  	github.com/rafael84/shortener/persistence	0.024s	coverage: 93.9% of statements
ok  	github.com/rafael84/shortener/service	0.030s	coverage: 92.6% of statements

Benchmark

$ make bench
cd persistence && go test -bench=. -test.benchmem
BenchmarkMemorySet1-4         	20000000	        84.7 ns/op	       0 B/op	       0 allocs/op
BenchmarkMemorySet10-4        	20000000	        94.9 ns/op	       0 B/op	       0 allocs/op
BenchmarkMemorySet100-4       	20000000	        97.8 ns/op	       0 B/op	       0 allocs/op
BenchmarkMemorySet1000-4      	20000000	       109 ns/op	       0 B/op	       0 allocs/op
BenchmarkMemorySet10000-4     	20000000	       117 ns/op	       0 B/op	       0 allocs/op
BenchmarkMemorySet100000-4    	10000000	       198 ns/op	       1 B/op	       0 allocs/op
BenchmarkMemorySet1000000-4   	 2000000	       540 ns/op	      79 B/op	       0 allocs/op
BenchmarkMemoryGet1-4         	20000000	       106 ns/op	       1 B/op	       1 allocs/op
BenchmarkMemoryGet10-4        	20000000	       131 ns/op	       1 B/op	       1 allocs/op
BenchmarkMemoryGet100-4       	10000000	       191 ns/op	       1 B/op	       1 allocs/op
BenchmarkMemoryGet1000-4      	10000000	       162 ns/op	       3 B/op	       1 allocs/op
BenchmarkMemoryGet10000-4     	10000000	       164 ns/op	       3 B/op	       1 allocs/op
BenchmarkMemoryGet100000-4    	10000000	       235 ns/op	       5 B/op	       1 allocs/op
BenchmarkMemoryGet1000000-4   	 5000000	       301 ns/op	       7 B/op	       1 allocs/op
BenchmarkMiniRedisSet1-4      	   30000	     55430 ns/op	     625 B/op	      38 allocs/op
BenchmarkMiniRedisSet10-4     	   30000	     58546 ns/op	     625 B/op	      38 allocs/op
BenchmarkMiniRedisSet100-4    	   20000	     61517 ns/op	     632 B/op	      37 allocs/op
BenchmarkMiniRedisSet1000-4   	   20000	     61781 ns/op	     651 B/op	      37 allocs/op
BenchmarkMiniRedisGet1-4      	   20000	     59636 ns/op	     504 B/op	      32 allocs/op
BenchmarkMiniRedisGet10-4     	   20000	     62779 ns/op	     504 B/op	      32 allocs/op
BenchmarkMiniRedisGet100-4    	   20000	     60327 ns/op	     511 B/op	      32 allocs/op
BenchmarkMiniRedisGet1000-4   	   20000	     60982 ns/op	     512 B/op	      32 allocs/op
BenchmarkLocalRedisSet1-4     	     200	  20130012 ns/op	    4091 B/op	      79 allocs/op
BenchmarkLocalRedisSet10-4    	     100	  40003787 ns/op	    4096 B/op	      79 allocs/op
BenchmarkLocalRedisSet100-4   	     100	  19956417 ns/op	    4096 B/op	      79 allocs/op
BenchmarkLocalRedisGet1-4     	     100	  21007397 ns/op	    4070 B/op	      79 allocs/op
BenchmarkLocalRedisGet10-4    	     100	  20242761 ns/op	    4065 B/op	      79 allocs/op
BenchmarkLocalRedisGet100-4   	     100	  19918502 ns/op	    4064 B/op	      79 allocs/op
PASS
ok  	github.com/rafael84/shortener/persistence	76.171s

AB

Using in memory persistence

$ ab -n 1000 -c 100 -m PUT 'http://localhost:8080/create?url=http://valid.com'
This is ApacheBench, Version 2.3 <$Revision: 1757674 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking localhost (be patient)
Completed 100 requests
Completed 200 requests
Completed 300 requests
Completed 400 requests
Completed 500 requests
Completed 600 requests
Completed 700 requests
Completed 800 requests
Completed 900 requests
Completed 1000 requests
Finished 1000 requests


Server Software:
Server Hostname:        localhost
Server Port:            8080

Document Path:          /create?url=http://valid.com
Document Length:        58 bytes

Concurrency Level:      100
Time taken for tests:   0.150 seconds
Complete requests:      1000
Failed requests:        0
Total transferred:      166000 bytes
HTML transferred:       58000 bytes
Requests per second:    6658.72 [#/sec] (mean)
Time per request:       15.018 [ms] (mean)
Time per request:       0.150 [ms] (mean, across all concurrent requests)
Transfer rate:          1079.44 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        3    7   1.3      7      11
Processing:     3    7   1.3      8      11
Waiting:        2    7   1.4      7      10
Total:          7   14   2.1     15      19

Percentage of the requests served within a certain time (ms)
  50%     15
  66%     15
  75%     15
  80%     16
  90%     16
  95%     17
  98%     17
  99%     18
 100%     19 (longest request)

Using REDIS as the persistence layer

$ ab -n 1000 -c 50 -m PUT 'http://localhost:8080/create?url=http://valid.com'
This is ApacheBench, Version 2.3 <$Revision: 1757674 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking localhost (be patient)
Completed 100 requests
Completed 200 requests
Completed 300 requests
Completed 400 requests
Completed 500 requests
Completed 600 requests
Completed 700 requests
Completed 800 requests
Completed 900 requests
Completed 1000 requests
Finished 1000 requests


Server Software:
Server Hostname:        localhost
Server Port:            8080

Document Path:          /create?url=http://valid.com
Document Length:        61 bytes

Concurrency Level:      50
Time taken for tests:   41.479 seconds
Complete requests:      1000
Failed requests:        134
   (Connect: 0, Receive: 0, Length: 134, Exceptions: 0)
Total transferred:      166454 bytes
HTML transferred:       58454 bytes
Requests per second:    24.11 [#/sec] (mean)
Time per request:       2073.936 [ms] (mean)
Time per request:       41.479 [ms] (mean, across all concurrent requests)
Transfer rate:          3.92 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    1   0.7      1       5
Processing:     1 2025 3097.3      7   10013
Waiting:        1 2025 3097.2      7   10013
Total:          2 2026 3097.3      8   10014

Percentage of the requests served within a certain time (ms)
  50%      8
  66%   1950
  75%   2012
  80%   5003
  90%   8027
  95%  10005
  98%  10008
  99%  10010
 100%  10014 (longest request)