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kno3a87 / isucon13

Apache License 2.0
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Kataribe

Access log profiler based on response time

Prerequisites

Apache

Add %D to LogFormat.

LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-agent}i\" %D" with_time
CustomLog logs/access_log with_time

Nginx

Add $request_time to log_format.

log_format with_time '$remote_addr - $remote_user [$time_local] '
                     '"$request" $status $body_bytes_sent '
                     '"$http_referer" "$http_user_agent" $request_time';
access_log /var/log/nginx/access.log with_time;

H2O

Add %{duration}x to access-log directive

access-log:
  path: /var/log/h2o/access.log
  format: "%h %l %u %t \"%r\" %s %b \"%{Referer}i\" \"%{User-agent}i\" %{duration}x"

Envoy

Use default format

Varnishncsa

Add %D to varnishncsa -F option.

varnishncsa -a -w $logfile -D -P $pidfile -F '%h %l %u %t "%r" %s %b "%{Referer}i" "%{User-agent}i" %D'

Rack

Add Rack::CommonLogger to config.ru.

logger = Logger.new("/tmp/app.log")
use Rack::CommonLogger, logger

Usage

Install via go command or download release file

# go >=1.16
go install github.com/matsuu/kataribe@latest

# go <1.16
go get -u github.com/matsuu/kataribe

Generate kataribe.toml

kataribe -generate

Edit kataribe.toml

${EDITOR} kataribe.toml

Pass access log to kataribe by stdin

cat /path/to/access.log | kataribe

Example

Sort By Count
Count   Total      Mean    Stddev    Min    P50    P90    P95    P99    Max    2xx   3xx  4xx  5xx  Request
17238   0.000  0.000000  0.000000  0.000  0.000  0.000  0.000  0.000  0.000  17238     0    0    0  GET /stylesheets/*
 5746   0.000  0.000000  0.000000  0.000  0.000  0.000  0.000  0.000  0.000   5746     0    0    0  GET /images/*
 5198  12.449  0.002395  0.002292  0.001  0.002  0.003  0.005  0.009  0.069   5198     0    0    0  GET / HTTP/1.1
 2873  22.753  0.007920  0.007529  0.004  0.006  0.011  0.015  0.035  0.193      0  2873    0    0  POST /login HTTP/1.1
  548   2.851  0.005203  0.004015  0.003  0.004  0.007  0.009  0.021  0.066    548     0    0    0  GET /mypage HTTP/1.1
    1   0.303  0.303000  0.000000  0.303  0.303  0.303  0.303  0.303  0.303      0     0    0    1  GET /report HTTP/1.1

Sort By Total
Count   Total      Mean    Stddev    Min    P50    P90    P95    P99    Max    2xx   3xx  4xx  5xx  Request
 2873  22.753  0.007920  0.007529  0.004  0.006  0.011  0.015  0.035  0.193      0  2873    0    0  POST /login HTTP/1.1
 5198  12.449  0.002395  0.002292  0.001  0.002  0.003  0.005  0.009  0.069   5198     0    0    0  GET / HTTP/1.1
  548   2.851  0.005203  0.004015  0.003  0.004  0.007  0.009  0.021  0.066    548     0    0    0  GET /mypage HTTP/1.1
    1   0.303  0.303000  0.000000  0.303  0.303  0.303  0.303  0.303  0.303      0     0    0    1  GET /report HTTP/1.1
17238   0.000  0.000000  0.000000  0.000  0.000  0.000  0.000  0.000  0.000  17238     0    0    0  GET /stylesheets/*
 5746   0.000  0.000000  0.000000  0.000  0.000  0.000  0.000  0.000  0.000   5746     0    0    0  GET /images/*

Sort By Mean
Count   Total      Mean    Stddev    Min    P50    P90    P95    P99    Max    2xx   3xx  4xx  5xx  Request
    1   0.303  0.303000  0.000000  0.303  0.303  0.303  0.303  0.303  0.303      0     0    0    1  GET /report HTTP/1.1
 2873  22.753  0.007920  0.007529  0.004  0.006  0.011  0.015  0.035  0.193      0  2873    0    0  POST /login HTTP/1.1
  548   2.851  0.005203  0.004015  0.003  0.004  0.007  0.009  0.021  0.066    548     0    0    0  GET /mypage HTTP/1.1
 5198  12.449  0.002395  0.002292  0.001  0.002  0.003  0.005  0.009  0.069   5198     0    0    0  GET / HTTP/1.1
17238   0.000  0.000000  0.000000  0.000  0.000  0.000  0.000  0.000  0.000  17238     0    0    0  GET /stylesheets/*
 5746   0.000  0.000000  0.000000  0.000  0.000  0.000  0.000  0.000  0.000   5746     0    0    0  GET /images/*

Sort By Standard Deviation
Count   Total      Mean    Stddev    Min    P50    P90    P95    P99    Max    2xx   3xx  4xx  5xx  Request
 2873  22.753  0.007920  0.007529  0.004  0.006  0.011  0.015  0.035  0.193      0  2873    0    0  POST /login HTTP/1.1
  548   2.851  0.005203  0.004015  0.003  0.004  0.007  0.009  0.021  0.066    548     0    0    0  GET /mypage HTTP/1.1
 5198  12.449  0.002395  0.002292  0.001  0.002  0.003  0.005  0.009  0.069   5198     0    0    0  GET / HTTP/1.1
    1   0.303  0.303000  0.000000  0.303  0.303  0.303  0.303  0.303  0.303      0     0    0    1  GET /report HTTP/1.1
17238   0.000  0.000000  0.000000  0.000  0.000  0.000  0.000  0.000  0.000  17238     0    0    0  GET /stylesheets/*
 5746   0.000  0.000000  0.000000  0.000  0.000  0.000  0.000  0.000  0.000   5746     0    0    0  GET /images/*

Sort By Maximum(100 Percentile)
Count   Total      Mean    Stddev    Min    P50    P90    P95    P99    Max    2xx   3xx  4xx  5xx  Request
    1   0.303  0.303000  0.000000  0.303  0.303  0.303  0.303  0.303  0.303      0     0    0    1  GET /report HTTP/1.1
 2873  22.753  0.007920  0.007529  0.004  0.006  0.011  0.015  0.035  0.193      0  2873    0    0  POST /login HTTP/1.1
 5198  12.449  0.002395  0.002292  0.001  0.002  0.003  0.005  0.009  0.069   5198     0    0    0  GET / HTTP/1.1
  548   2.851  0.005203  0.004015  0.003  0.004  0.007  0.009  0.021  0.066    548     0    0    0  GET /mypage HTTP/1.1
17238   0.000  0.000000  0.000000  0.000  0.000  0.000  0.000  0.000  0.000  17238     0    0    0  GET /stylesheets/*
 5746   0.000  0.000000  0.000000  0.000  0.000  0.000  0.000  0.000  0.000   5746     0    0    0  GET /images/*

TOP 37 Slow Requests
 1  0.303  GET /report HTTP/1.1
 2  0.193  POST /login HTTP/1.1
 3  0.149  POST /login HTTP/1.1
 4  0.108  POST /login HTTP/1.1
 5  0.105  POST /login HTTP/1.1
 6  0.101  POST /login HTTP/1.1
 7  0.084  POST /login HTTP/1.1
 8  0.080  POST /login HTTP/1.1
 9  0.080  POST /login HTTP/1.1
10  0.069  GET / HTTP/1.1
11  0.066  GET /mypage HTTP/1.1
12  0.063  POST /login HTTP/1.1
13  0.063  POST /login HTTP/1.1
14  0.057  POST /login HTTP/1.1
15  0.056  POST /login HTTP/1.1
16  0.056  GET / HTTP/1.1
17  0.054  POST /login HTTP/1.1
18  0.054  POST /login HTTP/1.1
19  0.048  POST /login HTTP/1.1
20  0.046  GET /mypage HTTP/1.1
21  0.045  POST /login HTTP/1.1
22  0.045  POST /login HTTP/1.1
23  0.044  POST /login HTTP/1.1
24  0.042  POST /login HTTP/1.1
25  0.041  GET / HTTP/1.1
26  0.040  POST /login HTTP/1.1
27  0.039  GET / HTTP/1.1
28  0.038  POST /login HTTP/1.1
29  0.038  GET / HTTP/1.1
30  0.037  POST /login HTTP/1.1
31  0.037  POST /login HTTP/1.1
32  0.036  GET / HTTP/1.1
33  0.036  POST /login HTTP/1.1
34  0.036  GET / HTTP/1.1
35  0.036  POST /login HTTP/1.1
36  0.035  POST /login HTTP/1.1
37  0.035  POST /login HTTP/1.1

License

Apache-2.0

Author

matsuu