Benchmark of clouchdb with and without HTTP keepalive

couchdb_benchmarks

elias@tiger:~/prog/clouchdb$ ab -n 100 'http://127.0.0.1:5984/foo'
This is ApacheBench, Version 2.3 <$Revision: 1528965 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking 127.0.0.1 (be patient).....done


Server Software:        CouchDB/1.6.0
Server Hostname:        127.0.0.1
Server Port:            5984

Document Path:          /foo
Document Length:        236 bytes

Concurrency Level:      1
Time taken for tests:   0.044 seconds
Complete requests:      100
Failed requests:        0
Total transferred:      42500 bytes
HTML transferred:       23600 bytes
Requests per second:    2268.65 [#/sec] (mean)
Time per request:       0.441 [ms] (mean)
Time per request:       0.441 [ms] (mean, across all concurrent requests)
Transfer rate:          941.58 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.0      0       0
Processing:     0    0   0.2      0       2
Waiting:        0    0   0.2      0       1
Total:          0    0   0.2      0       2

Percentage of the requests served within a certain time (ms)
  50%      0
  66%      0
  75%      0
  80%      0
  90%      1
  95%      1
  98%      2
  99%      2
 100%      2 (longest request)
elias@tiger:~/prog/clouchdb$ ab -n 100 -k 'http://127.0.0.1:5984/foo'
This is ApacheBench, Version 2.3 <$Revision: 1528965 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking 127.0.0.1 (be patient).....done


Server Software:        CouchDB/1.6.0
Server Hostname:        127.0.0.1
Server Port:            5984

Document Path:          /foo
Document Length:        236 bytes

Concurrency Level:      1
Time taken for tests:   3.962 seconds
Complete requests:      100
Failed requests:        0
Keep-Alive requests:    100
Total transferred:      44900 bytes
HTML transferred:       23600 bytes
Requests per second:    25.24 [#/sec] (mean)
Time per request:       39.623 [ms] (mean)
Time per request:       39.623 [ms] (mean, across all concurrent requests)
Transfer rate:          11.07 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.0      0       0
Processing:     2   40   3.8     40      40
Waiting:        0    1   0.4      2       2
Total:          2   40   3.8     40      40
ERROR: The median and mean for the waiting time are more than twice the standard
       deviation apart. These results are NOT reliable.

Percentage of the requests served within a certain time (ms)
  50%     40
  66%     40
  75%     40
  80%     40
  90%     40
  95%     40
  98%     40
  99%     40
 100%     40 (longest request)