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@karlkfi
Last active September 5, 2016 04:15
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Top 25 Kubernetes Contributors (2015-09-02)

Kubernetes repo analyzed with gitm.

git log --numstat --no-merges | ~/workspace/gitdm/gitdm -u -s -a -n -o results -b ~/workspace/gitdm -l 25

Caveats

Source tree analysis includes generated, third-party, and vendored dependency files.

Commits and lines changed are not directly corelated to time or effort spent.

See Github graphs for change over time.

To add employers or contributor aliases, submit a pull request to my gitdm fork.

To attribute your employer in future commits, configure your git client to use your work email.

Summary

Processed 9792 csets from 519 developers
19 employers found
A total of 3309928 lines added, 2130088 removed (delta 1179840)

Developers with the most changesets

Brendan Burns              811 (8.3%)
Daniel Smith               577 (5.9%)
Clayton Coleman            542 (5.5%)
Tim Hockin                 484 (4.9%)
Justin Santa Barbara       300 (3.1%)
derekwaynecarr             259 (2.6%)
Satnam Singh               252 (2.6%)
Eric Paris                 250 (2.6%)
Dawn Chen                  229 (2.3%)
Zach Loafman               222 (2.3%)
Eric Tune                  204 (2.1%)
Joe Beda                   185 (1.9%)
Wojciech Tyczynski         166 (1.7%)
Mike Danese                166 (1.7%)
Chao Xu                    163 (1.7%)
Victor Marmol              152 (1.6%)
Alex Robinson              142 (1.5%)
Jeff Lowdermilk            127 (1.3%)
Yifan Gu                   126 (1.3%)
nikhiljindal               121 (1.2%)
Deyuan Deng                113 (1.2%)
Paul Morie                 112 (1.1%)
markturansky               112 (1.1%)
Yu-Ju Hong                 108 (1.1%)
Robert Bailey               90 (0.9%)

Developers with the most changed lines

(including generated, third-party, and vendored dependency files)

Brendan Burns             617831 (13.5%)
Nan Monnand Deng          472615 (10.3%)
Patrick Reilly            426127 (9.3%)
nikhiljindal              304483 (6.6%)
Yifan Gu                  234087 (5.1%)
Tim Hockin                228869 (5.0%)
Eric Paris                141887 (3.1%)
Zach Loafman              103303 (2.2%)
Satnam Singh              101462 (2.2%)
Victor Marmol             99932 (2.2%)
James DeFelice            99766 (2.2%)
Joe Beda                  98017 (2.1%)
Daniel Smith              96980 (2.1%)
Filip Grzadkowski         93055 (2.0%)
Chao Xu                   82275 (1.8%)
Clayton Coleman           74473 (1.6%)
Mike Danese               65509 (1.4%)
Kris Rousey               63756 (1.4%)
Wojciech Tyczynski        57129 (1.2%)
BC Broussard              54468 (1.2%)
Rohit Jnagal              50438 (1.1%)
derekwaynecarr            49778 (1.1%)
Sam Ghods                 48988 (1.1%)
Fumitoshi Ukai            47310 (1.0%)
krousey                   43986 (1.0%)

Developers with the most lines removed

Nan Monnand Deng          377499 (17.7%)
Tim Hockin                131185 (6.2%)
krousey                   43967 (2.1%)
BC Broussard              35059 (1.6%)
Kris Rousey               33145 (1.6%)
Mike Danese               31570 (1.5%)
Piotr Szczesniak          11805 (0.6%)
Rohit Jnagal              9725 (0.5%)
jackgr                    2959 (0.1%)
Robert Bailey             1369 (0.1%)
Yicheng Qin                930 (0.0%)
Paulo Pires                789 (0.0%)
MikeJeffrey                754 (0.0%)
Brian Dorsey               394 (0.0%)
feihujiang                 330 (0.0%)
Justin Huff                237 (0.0%)
Jeff Grafton               231 (0.0%)
Vish Kannan                 73 (0.0%)
erickhan                    63 (0.0%)
Alen Komljen                53 (0.0%)
Peter Lamar                 34 (0.0%)
Antoine Cotten              24 (0.0%)
António Meireles           22 (0.0%)
Uri Sarid                   15 (0.0%)
Isaac Hollander McCreery    13 (0.0%)

Top changeset contributors by employer

Google                    5413 (55.3%)
Red Hat                   1851 (18.9%)
(Unknown)                 1571 (16.0%)
FathomDB                   300 (3.1%)
Core OS                    179 (1.8%)
Mesosphere                 130 (1.3%)
Huawei Technologies         95 (1.0%)
Apache                      75 (0.8%)
Amadeus                     43 (0.4%)
Kismatic                    36 (0.4%)
Box                         35 (0.4%)
Canonical                   27 (0.3%)
VMWare                      19 (0.2%)
Accelerant Mobile            6 (0.1%)
Metaswitch                   6 (0.1%)
Insieme Networks             2 (0.0%)
Virginia Tech                2 (0.0%)
IBM                          1 (0.0%)
Funky                        1 (0.0%)

Top lines changed by employer

(including generated, third-party, and vendored dependency files)

Google                    2258450 (49.2%)
(Unknown)                 1116149 (24.3%)
Kismatic                  480595 (10.5%)
Red Hat                   377002 (8.2%)
Core OS                   139631 (3.0%)
Mesosphere                112483 (2.4%)
Box                       48988 (1.1%)
FathomDB                  30547 (0.7%)
Huawei Technologies       10659 (0.2%)
Apache                    5521 (0.1%)
Amadeus                   4985 (0.1%)
Canonical                 3701 (0.1%)
VMWare                    1630 (0.0%)
Insieme Networks           937 (0.0%)
Metaswitch                 470 (0.0%)
Accelerant Mobile          145 (0.0%)
Funky                        6 (0.0%)
Virginia Tech                3 (0.0%)
IBM                          1 (0.0%)

Employers with the most hackers (total 544)

(Unknown)                  369 (67.8%)
Google                      78 (14.3%)
Red Hat                     51 (9.4%)
Huawei Technologies          9 (1.7%)
Core OS                      8 (1.5%)
Mesosphere                   7 (1.3%)
Apache                       4 (0.7%)
Amadeus                      3 (0.6%)
Metaswitch                   3 (0.6%)
Kismatic                     2 (0.4%)
Canonical                    2 (0.4%)
Box                          1 (0.2%)
FathomDB                     1 (0.2%)
VMWare                       1 (0.2%)
Insieme Networks             1 (0.2%)
Accelerant Mobile            1 (0.2%)
Funky                        1 (0.2%)
Virginia Tech                1 (0.2%)
IBM                          1 (0.2%)
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