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From Tsuyoshi SASAMOTO <nazon...@super.win.ne.jp>
Subject Re: Perchild on Solaris
Date Tue, 20 Aug 2002 19:38:01 GMT
>It looks like the changes doubled your performance.. not bad for 2 lines 
>  :-)

Yes :-)

>Also.. if you want to get a bit faster try preloading the 
>/usr/lib/libmtmalloc.so library.
>also.. have you compared perchild to worker ? (yes I know perchild isn't 
>finished..I'm just curious)

Linked with libmtmalloc, and tested again (as below).


Tsuyoshi SASAMOTO
nazonazo@super.win.ne.jp
----------------------------------------------------------------------

Result of
    ab -c128 -n8192 127.0.0.1:3080/
----[T1 perchild]-----------------------------------------------------
This is ApacheBench, Version 2.0.37-dev <$Revision: 1.105 $> apache-2.0
  :
  :
Server Software:        Apache/2.0.39
Server Hostname:        127.0.0.1
Server Port:            3080

Document Path:          /
Document Length:        1630 bytes

Concurrency Level:      128
Time taken for tests:   16.129322 seconds
Complete requests:      8192
Failed requests:        0
Write errors:           0
Total transferred:      15851520 bytes
HTML transferred:       13352960 bytes
Requests per second:    507.89 [#/sec] (mean)
Time per request:       252.021 [ms] (mean)
Time per request:       1.969 [ms] (mean, across all concurrent requests)
Transfer rate:          959.74 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   2.6      0     175
Processing:    28  249  46.2    247     741
Waiting:        1  130  71.7    129     537
Total:         28  249  46.3    247     741

Percentage of the requests served within a certain time (ms)
  50%    247
  66%    248
  75%    249
  80%    249
  90%    264
  95%    311
  98%    408
  99%    444
 100%    741 (longest request)
----[T2 perchild]-----------------------------------------------------
This is ApacheBench, Version 2.0.37-dev <$Revision: 1.105 $> apache-2.0
  :
  :
Server Software:        Apache/2.0.39
Server Hostname:        127.0.0.1
Server Port:            3080

Document Path:          /
Document Length:        1630 bytes

Concurrency Level:      128
Time taken for tests:   22.792954 seconds
Complete requests:      8192
Failed requests:        0
Write errors:           0
Total transferred:      15851520 bytes
HTML transferred:       13352960 bytes
Requests per second:    359.41 [#/sec] (mean)
Time per request:       356.140 [ms] (mean)
Time per request:       2.782 [ms] (mean, across all concurrent requests)
Transfer rate:          679.16 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   1.9      1     117
Processing:    57  351  84.0    349    1277
Waiting:        3  185 102.9    188    1174
Total:         57  352  84.0    350    1278

Percentage of the requests served within a certain time (ms)
  50%    350
  66%    394
  75%    401
  80%    403
  90%    413
  95%    459
  98%    555
  99%    609
 100%   1278 (longest request)
----[T1 worker]-------------------------------------------------------
This is ApacheBench, Version 2.0.37-dev <$Revision: 1.105 $> apache-2.0
  :
  :
Server Software:        Apache/2.0.39
Server Hostname:        127.0.0.1
Server Port:            3080

Document Path:          /
Document Length:        1630 bytes

Concurrency Level:      128
Time taken for tests:   18.109316 seconds
Complete requests:      8192
Failed requests:        0
Write errors:           0
Total transferred:      15851520 bytes
HTML transferred:       13352960 bytes
Requests per second:    452.36 [#/sec] (mean)
Time per request:       282.958 [ms] (mean)
Time per request:       2.211 [ms] (mean, across all concurrent requests)
Transfer rate:          854.81 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.9      0      50
Processing:    25  280  42.6    275     747
Waiting:        3  144  83.8    143     676
Total:         26  280  42.7    275     747

Percentage of the requests served within a certain time (ms)
  50%    275
  66%    280
  75%    281
  80%    282
  90%    308
  95%    370
  98%    407
  99%    466
 100%    747 (longest request)
----[T2 worker]-------------------------------------------------------
This is ApacheBench, Version 2.0.37-dev <$Revision: 1.105 $> apache-2.0
  :
  :
Server Software:        Apache/2.0.39
Server Hostname:        127.0.0.1
Server Port:            3080

Document Path:          /
Document Length:        1630 bytes

Concurrency Level:      128
Time taken for tests:   14.78003 seconds
Complete requests:      8192
Failed requests:        0
Write errors:           0
Total transferred:      15851520 bytes
HTML transferred:       13352960 bytes
Requests per second:    581.90 [#/sec] (mean)
Time per request:       219.969 [ms] (mean)
Time per request:       1.719 [ms] (mean, across all concurrent requests)
Transfer rate:          1099.59 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.8      0      67
Processing:    24  217  21.0    221     295
Waiting:        3  116  61.8    121     291
Total:         24  217  20.9    221     295

Percentage of the requests served within a certain time (ms)
  50%    221
  66%    221
  75%    221
  80%    222
  90%    223
  95%    242
  98%    263
  99%    294
 100%    295 (longest request)
----------------------------------------------------------------------

Result of
    truss -cf -p (pids of the httpd processes) & \
    ab -c128 -n768 127.0.0.1:3080/ >&/dev/null; \
    pkill -u $user -x truss
----[T1 perchild]-----------------------------------------------------
syscall              seconds   calls  errors
read                     .32    1535
write                    .16     768
close                    .29    1534
times                    .19     768
fcntl                    .29    1536
sendfilev64              .30     768
poll                     .40    1546
waitid                   .00      11
mmap                     .00      12
mprotect                 .00      96
lwp_sema_wait            .13     443
lwp_sema_post            .13     443
gettimeofday             .85    4811
lwp_self                 .03     102
lwp_mutex_wakeup         .09     653
lwp_mutex_lock           .26    1368
lwp_cond_wait            .04     152
lwp_cond_signal          .04     152
stat64                   .46    1536
fstat64                  .29    1536
open64                   .29    1536    768
accept                   .25     768
shutdown                 .29     767
getsockname              .20     768
getsockopt               .28    1536
setsockopt               .12     768
lwp_mutex_unlock         .13     768
                     -------  ------   ----
sys totals:             5.83   26681    768
usr time:                .67
elapsed:               11.11
----[T2 perchild]-----------------------------------------------------
syscall              seconds   calls  errors
read                     .30    1534
write                    .10     768
close                    .24    1532
times                    .16     768
fcntl                    .28    1536
lwp_park                 .03     437
lwp_unpark               .09     437
sendfilev64              .21     768
poll                     .27    1544
sigprocmask              .01     158
waitid                   .00       9
mmap                     .02      90
munmap                   .02      89
yield                    .00      62
gettimeofday             .82    4924
lwp_create               .06     318
lwp_exit                 .01     158
lwp_continue             .05     159
lwp_kill                 .05     158    158
lwp_mutex_lock           .11     768
lwp_schedctl             .10     159
stat64                   .32    1536
fstat64                  .20    1536
open64                   .35    1536    768
accept                   .30     768
shutdown                 .17     767
getsockname              .14     768
getsockopt               .29    1536
setsockopt               .16     768
lwp_mutex_unlock         .12     768
                     -------  ------   ----
sys totals:             4.98   26359    926
usr time:                .73
elapsed:                9.17
----[T1 worker]-------------------------------------------------------
signals ------------
SIGHUP		   1
SIGTERM		   1
total:		   2

syscall              seconds   calls  errors
_exit                    .00       1
read                     .24    1536
write                    .18     769
close                    .18    1538
time                     .00       4
brk                      .03      96
getpid                   .00      13
getuid                   .00       8
kill                     .00       1
times                    .11     768
sysi86                   .03     131
fcntl                    .19    1536
sendfilev64              .20     768
poll                     .16    1543      1
sigprocmask              .00       7
sigaction                .00      48
setcontext               .00       2
waitid                   .00       6
mmap                     .02     143
mprotect                 .05     255
munmap                   .00      54
fork1                    .00       4
lwp_sema_wait            .11     760
lwp_sema_post            .13     760
gettimeofday             .76    4932
lwp_create               .03     262
lwp_continue             .00     127
lwp_kill                 .00       1
lwp_self                 .02     112
lwp_mutex_wakeup         .06    1124
lwp_mutex_lock           .28    1804
lwp_cond_wait            .00      25
lwp_cond_signal          .00      19
llseek                   .00       2
door_create              .00       4
door_info                .00       4
lwp_schedctl             .04     135      4
signotifywait            .02     134
lwp_sigredirect          .05     134
stat64                   .33    1536
fstat64                  .16    1536
open64                   .34    1536    768
accept                   .17     768
shutdown                 .14     767
getsockname              .10     768
getsockopt               .25    1536
setsockopt               .13     768
lwp_mutex_unlock         .03     769
                     -------  ------   ----
sys totals:             4.54   29554    773
usr time:                .64
elapsed:                7.97
----[T2 worker]-------------------------------------------------------
signals ------------
SIGHUP		   3
SIGTERM		   2
total:		   5

syscall              seconds   calls  errors
_exit                    .00       2
read                     .32    1537
write                    .24     770
close                    .47    1534
time                     .00       4
brk                      .04      94
getpid                   .00      12
getuid                   .00       8
kill                     .00       2
times                    .16     768
sysi86                   .01     108
fcntl                    .29    1536
lwp_park                 .24     814
lwp_unpark               .09     819
sendfilev64              .42     769      1
poll                     .29    1548      3
sigprocmask              .02      90
sigaction                .01      12
getcontext               .00       4
setcontext               .00       5
waitid                   .00      10
mmap                     .04     118
munmap                   .01      34
sysconfig                .00       4
fork1                    .00       4
yield                    .00       6
gettimeofday            1.34    4982
lwp_create               .02     216
lwp_exit                 .00      56
lwp_continue             .02     108
lwp_kill                 .00      44     38
lwp_wait                 .00      54
lwp_mutex_lock           .19     773      1
llseek                   .00       4
lwp_schedctl             .01     116
stat64                   .47    1536
fstat64                  .31    1536
open64                   .52    1536    768
accept                   .33     768
shutdown                 .21     767
getsockname              .11     768
getsockopt               .48    1536
setsockopt               .18     768
lwp_mutex_unlock         .15     770
                     -------  ------   ----
sys totals:             6.99   26950    811
usr time:                .64
elapsed:               11.28
----------------------------------------------------------------------

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