Swap:Benchmarking

small file testing 2/4/10

Small file testing on a two-node filegroup on app13 & 14. 10,000 file requests with 16 threads.

over 1700 requests per second!

ab -n 10000 -c 16 http://naraapp13:8080/get/web/test//chronopolis/Chronopolis-Reporter/build/web/WEB-INF/classes/edu/umiacs/chronopolis/Index.class

Test 1: pull file that exists on the requested node.

Server Software:        
Server Hostname:        naraapp13
Server Port:            8080

Document Path:          /get/web/test//chronopolis/Chronopolis-Reporter/build/web/WEB-INF/classes/edu/umiacs/chronopolis/Index.class
Document Length:        5954 bytes

Concurrency Level:      16
Time taken for tests:   5.785794 seconds
Complete requests:      10000
Failed requests:        0
Write errors:           0
Total transferred:      60910000 bytes
HTML transferred:       59540000 bytes
Requests per second:    1728.37 [#/sec] (mean)
Time per request:       9.257 [ms] (mean)
Time per request:       0.579 [ms] (mean, across all concurrent requests)
Transfer rate:          10280.70 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.0      0       3
Processing:     4    8   2.7      8      56
Waiting:        4    8   2.6      8      56
Total:          4    8   2.7      8      56

Percentage of the requests served within a certain time (ms)
  50%      8
  66%      9
  75%      9
  80%     10
  90%     11
  95%     13
  98%     16
  99%     18
 100%     56 (longest request)

Test 2: return a 302 redirect when hitting wrong node.

Server Software:        
Server Hostname:        naraapp14
Server Port:            8080

Document Path:          /get/web/test//chronopolis/Chronopolis-Reporter/build/web/WEB-INF/classes/edu/umiacs/chronopolis/Index.class
Document Length:        0 bytes

Concurrency Level:      16
Time taken for tests:   4.419558 seconds
Complete requests:      10000
Failed requests:        0
Write errors:           0
Non-2xx responses:      10000
Total transferred:      2570000 bytes
HTML transferred:       0 bytes
Requests per second:    2262.67 [#/sec] (mean)
Time per request:       7.071 [ms] (mean)
Time per request:       0.442 [ms] (mean, across all concurrent requests)
Transfer rate:          567.70 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.1      0       3
Processing:     1    6   1.8      6      19
Waiting:        1    6   1.8      6      18
Total:          1    6   1.8      6      19

Percentage of the requests served within a certain time (ms)
  50%      6
  66%      7
  75%      7
  80%      8
  90%      9
  95%     10
  98%     12
  99%     13
 100%     19 (longest request)

Large File testing

same two node cluster, moving a 600mb iso image. We managed to completely saturate the gig link to the server once the file was cached in memory.

Server Software:        
Server Hostname:        naraapp13
Server Port:            8080

Document Path:          /get/web/test/fc6/FC-6-i386-disc2.iso
Document Length:        714240000 bytes

Concurrency Level:      8
Time taken for tests:   97.736743 seconds
Complete requests:      16
Failed requests:        0
Write errors:           0
Total transferred:      11427842272 bytes
HTML transferred:       11427840000 bytes
Requests per second:    0.16 [#/sec] (mean)
Time per request:       48868.371 [ms] (mean)
Time per request:       6108.546 [ms] (mean, across all concurrent requests)
Transfer rate:          114184.30 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0 1689 3628.1      2    9002
Processing: 29984 40419 12455.8  32967   61889
Waiting:        5 11539 13202.5   2694   30351
Total:      29984 42108 14256.1  32969   62093

Percentage of the requests served within a certain time (ms)
  50%  32969
  66%  57069
  75%  59084
  80%  59084
  90%  61889
  95%  62093
  98%  62093
  99%  62093
 100%  62093 (longest request)