more performance

Back on node 0.4, working on id resolution, performance dreadful

Document Path:          /fb/country
Document Length:        158878 bytes

Concurrency Level:      5
Time taken for tests:   913.225 seconds
Complete requests:      100
Failed requests:        0
Write errors:           0
Total transferred:      15911748 bytes
HTML transferred:       15887800 bytes
Requests per second:    0.11 [#/sec] (mean)
Time per request:       45661.240 [ms] (mean)
Time per request:       9132.248 [ms] (mean, across all concurrent requests)
Transfer rate:          17.02 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.5      0       4
Processing:  7438 44742 6506.7  45143   55947
Waiting:     7397 44712 6503.3  45133   55937
Total:       7439 44743 6506.4  45143   55947

Percentage of the requests served within a certain time (ms)
  50%  45143
  66%  47397
  75%  47790
  80%  48077
  90%  49007
  95%  51383
  98%  55787
  99%  55947
 100%  55947 (longest request)

Removing idLink

Document Path:          /fb/country
Document Length:        158692 bytes

Concurrency Level:      5
Time taken for tests:   40.286 seconds
Complete requests:      100
Failed requests:        0
Write errors:           0
Total transferred:      15893156 bytes
HTML transferred:       15869200 bytes
Requests per second:    2.48 [#/sec] (mean)
Time per request:       2014.309 [ms] (mean)
Time per request:       402.862 [ms] (mean, across all concurrent requests)
Transfer rate:          385.26 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.4      0       3
Processing:   344 1977 292.5   1955    2817
Waiting:      288 1947 287.4   1924    2590
Total:        345 1977 292.3   1955    2817

Percentage of the requests served within a certain time (ms)
  50%   1955
  66%   2001
  75%   2042
  80%   2068
  90%   2338
  95%   2558
  98%   2607
  99%   2817
 100%   2817 (longest request)