WordPress on Apache -- APC enabled, no page caching

gistfile1.txt

$ ab -c100 -t 30 http://blogs.n1zyy.com/n1zyy
This is ApacheBench, Version 2.3 <$Revision: 655654 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking blogs.n1zyy.com (be patient)
Finished 969 requests


Server Software:        Apache/2.2.15
Server Hostname:        blogs.n1zyy.com
Server Port:            80

Document Path:          /n1zyy
Document Length:        0 bytes

Concurrency Level:      100
Time taken for tests:   30.224 seconds
Complete requests:      969
Failed requests:        0
Write errors:           0
Non-2xx responses:      969
Total transferred:      290700 bytes
HTML transferred:       0 bytes
Requests per second:    32.06 [#/sec] (mean)
Time per request:       3119.104 [ms] (mean)
Time per request:       31.191 [ms] (mean, across all concurrent requests)
Transfer rate:          9.39 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    4  13.3      0     147
Processing:   290 2922 1067.5   2757    7596
Waiting:      290 2916 1068.0   2752    7586
Total:        296 2926 1066.6   2762    7597

Percentage of the requests served within a certain time (ms)
  50%   2761
  66%   3161
  75%   3454
  80%   3662
  90%   4311
  95%   4871
  98%   5748
  99%   6365
 100%   7597 (longest request)