Ownership is measured by how many commits each author made to each file in the current tree. It highlights bus-factor risk (files only one person has ever touched) and where knowledge is concentrated. The bus factor is the smallest number of people who are, between them, primary owner of more than half of the files.
Files only one author has ever changed. The more a file has changed, the more knowledge is at risk if that person leaves.
| File | Sole owner | Commits |
|---|---|---|
| src/timezone/data/tzdata.zi | Tom Lane | 27 |
| src/bin/pg_basebackup/po/de.po | Peter Eisentraut | 27 |
| src/timezone/known_abbrevs.txt | Tom Lane | 25 |
| src/bin/pg_dump/po/pt_BR.po | Peter Eisentraut | 23 |
| src/backend/po/pt_BR.po | Peter Eisentraut | 21 |
| src/test/regress/sql/regex.sql | Tom Lane | 20 |
| src/pl/plpgsql/src/po/de.po | Peter Eisentraut | 20 |
| src/interfaces/libpq/po/ja.po | Peter Eisentraut | 19 |
| src/bin/initdb/po/ja.po | Peter Eisentraut | 18 |
| src/bin/scripts/po/zh_CN.po | Peter Eisentraut | 18 |
| File | Sole owner | Commits |
|---|---|---|
| src/timezone/data/tzdata.zi | Tom Lane | 27 |
| src/bin/pg_basebackup/po/de.po | Peter Eisentraut | 27 |
| src/timezone/known_abbrevs.txt | Tom Lane | 25 |
| src/bin/pg_dump/po/pt_BR.po | Peter Eisentraut | 23 |
| src/backend/po/pt_BR.po | Peter Eisentraut | 21 |
| src/test/regress/sql/regex.sql | Tom Lane | 20 |
| src/pl/plpgsql/src/po/de.po | Peter Eisentraut | 20 |
| src/interfaces/libpq/po/ja.po | Peter Eisentraut | 19 |
| src/bin/initdb/po/ja.po | Peter Eisentraut | 18 |
| src/bin/scripts/po/zh_CN.po | Peter Eisentraut | 18 |
| src/interfaces/ecpg/preproc/po/de.po | Peter Eisentraut | 17 |
| src/bin/pg_dump/po/ja.po | Peter Eisentraut | 16 |
| src/bin/pg_rewind/po/de.po | Peter Eisentraut | 16 |
| src/test/modules/test_regex/expected/test_regex.out | Tom Lane | 15 |
| src/bin/initdb/po/zh_CN.po | Peter Eisentraut | 15 |
| src/bin/pg_ctl/po/ja.po | Peter Eisentraut | 15 |
| src/bin/scripts/po/ja.po | Peter Eisentraut | 15 |
| src/pl/plpython/po/de.po | Peter Eisentraut | 15 |
| src/pl/plpython/po/ru.po | Peter Eisentraut | 15 |
| src/bin/pg_ctl/po/zh_CN.po | Peter Eisentraut | 15 |
| src/test/modules/test_regex/sql/test_regex.sql | Tom Lane | 14 |
| src/bin/initdb/po/ko.po | Peter Eisentraut | 14 |
| src/bin/pg_basebackup/po/ru.po | Peter Eisentraut | 14 |
| src/bin/pg_controldata/po/ko.po | Peter Eisentraut | 14 |
| src/bin/pg_dump/po/ko.po | Peter Eisentraut | 14 |
| src/pl/plpgsql/src/po/ja.po | Peter Eisentraut | 14 |
| src/pl/plpgsql/src/sql/plpgsql_record.sql | Tom Lane | 13 |
| src/bin/pg_basebackup/po/ja.po | Peter Eisentraut | 13 |
| src/bin/pg_controldata/po/ja.po | Peter Eisentraut | 13 |
| src/bin/pg_ctl/po/ko.po | Peter Eisentraut | 13 |
| src/pl/plperl/po/ru.po | Peter Eisentraut | 13 |
| src/pl/plpgsql/src/po/ru.po | Peter Eisentraut | 13 |
| src/backend/po/ko.po | Peter Eisentraut | 12 |
| src/bin/pg_upgrade/po/de.po | Peter Eisentraut | 12 |
| src/bin/scripts/po/ko.po | Peter Eisentraut | 12 |
| src/interfaces/ecpg/preproc/po/ru.po | Peter Eisentraut | 12 |
| src/interfaces/libpq/po/ko.po | Peter Eisentraut | 12 |
| src/pl/tcl/po/ja.po | Peter Eisentraut | 12 |
| src/pl/tcl/po/ru.po | Peter Eisentraut | 12 |
| src/pl/plperl/po/de.po | Peter Eisentraut | 12 |
| src/bin/pg_ctl/po/cs.po | Peter Eisentraut | 12 |
| src/backend/regex/README | Tom Lane | 11 |
| src/test/modules/injection_points/expected/injection_points.out | Michael Paquier | 11 |
| src/bin/pg_checksums/po/es.po | Peter Eisentraut | 11 |
| src/bin/pg_config/po/ja.po | Peter Eisentraut | 11 |
| src/bin/pg_upgrade/po/es.po | Peter Eisentraut | 11 |
| src/bin/pg_upgrade/po/ja.po | Peter Eisentraut | 11 |
| src/bin/pg_waldump/po/de.po | Peter Eisentraut | 11 |
| src/interfaces/ecpg/ecpglib/po/ru.po | Peter Eisentraut | 11 |
| src/interfaces/ecpg/preproc/po/ja.po | Peter Eisentraut | 11 |
| src/bin/pg_config/po/zh_CN.po | Peter Eisentraut | 11 |
| src/test/modules/injection_points/sql/injection_points.sql | Michael Paquier | 10 |
| src/bin/pg_upgrade/po/fr.po | Peter Eisentraut | 10 |
| src/interfaces/ecpg/preproc/po/ko.po | Peter Eisentraut | 10 |
| src/pl/plperl/po/ja.po | Peter Eisentraut | 10 |
| src/pl/plpython/po/ja.po | Peter Eisentraut | 10 |
| src/bin/pg_config/po/ko.po | Peter Eisentraut | 10 |
| src/bin/pg_rewind/po/ru.po | Peter Eisentraut | 10 |
| src/bin/pg_rewind/po/sv.po | Peter Eisentraut | 10 |
| src/bin/pg_waldump/po/sv.po | Peter Eisentraut | 10 |
| src/pl/plpgsql/src/po/ko.po | Peter Eisentraut | 10 |
| src/pl/tcl/po/de.po | Peter Eisentraut | 10 |
| src/bin/initdb/po/pl.po | Peter Eisentraut | 10 |
| src/bin/pg_archivecleanup/po/de.po | Peter Eisentraut | 9 |
| src/bin/pg_archivecleanup/po/ja.po | Peter Eisentraut | 9 |
| src/bin/pg_basebackup/po/sv.po | Peter Eisentraut | 9 |
| src/bin/pg_rewind/po/ja.po | Peter Eisentraut | 9 |
| src/bin/pg_test_fsync/po/ru.po | Peter Eisentraut | 9 |
| src/bin/pg_upgrade/po/sv.po | Peter Eisentraut | 9 |
| src/pl/plpgsql/src/po/sv.po | Peter Eisentraut | 9 |
| src/pl/plpython/po/sv.po | Peter Eisentraut | 9 |
| src/pl/plpython/po/zh_CN.po | Peter Eisentraut | 9 |
| src/pl/plpgsql/src/po/zh_CN.po | Peter Eisentraut | 9 |
| src/bin/initdb/po/cs.po | Peter Eisentraut | 9 |
| src/test/modules/test_checksums/t/001_basic.pl | Daniel Gustafsson | 8 |
| src/bin/initdb/po/ka.po | Peter Eisentraut | 8 |
| src/bin/pg_archivecleanup/po/ru.po | Peter Eisentraut | 8 |
| src/bin/pg_checksums/po/de.po | Peter Eisentraut | 8 |
| src/bin/pg_upgrade/po/ru.po | Peter Eisentraut | 8 |
| src/bin/pg_waldump/po/ja.po | Peter Eisentraut | 8 |
| src/interfaces/ecpg/ecpglib/po/ja.po | Peter Eisentraut | 8 |
| src/pl/plperl/po/sv.po | Peter Eisentraut | 8 |
| src/pl/tcl/po/zh_CN.po | Peter Eisentraut | 8 |
| src/pl/plpgsql/src/po/it.po | Peter Eisentraut | 8 |
| src/bin/pg_basebackup/po/zh_CN.po | Peter Eisentraut | 8 |
| src/bin/pg_controldata/po/pl.po | Peter Eisentraut | 8 |
| src/include/storage/subsystemlist.h | Heikki Linnakangas | 8 |
| src/interfaces/ecpg/test/sql/desc.pgc | Michael Meskes | 8 |
| src/interfaces/ecpg/test/expected/thread-thread.stdout | Michael Meskes | 8 |
| src/interfaces/ecpg/test/expected/thread-thread_implicit.stdout | Michael Meskes | 8 |
| src/test/regress/expected/collate.utf8.out | Jeff Davis | 7 |
| src/test/regress/sql/collate.utf8.sql | Jeff Davis | 7 |
| src/bin/initdb/po/uk.po | Peter Eisentraut | 7 |
| src/bin/pg_basebackup/po/ka.po | Peter Eisentraut | 7 |
| src/bin/pg_checksums/po/ja.po | Peter Eisentraut | 7 |
| src/bin/pg_ctl/po/uk.po | Peter Eisentraut | 7 |
| src/bin/pg_dump/po/ka.po | Peter Eisentraut | 7 |
| src/bin/pg_rewind/po/ka.po | Peter Eisentraut | 7 |
| src/bin/pg_upgrade/po/ka.po | Peter Eisentraut | 7 |
| src/bin/pg_verifybackup/po/de.po | Peter Eisentraut | 7 |
Primary owner = the author with the most commits to a file. Solely owned = files only that author has touched.
| Author | Files owned | Solely owned | Files touched |
|---|---|---|---|
| Bruce Momjian | 2,083 | 31 | 3,977 |
| Tom Lane | 1,813 | 319 | 4,918 |
| Peter Eisentraut | 1,355 | 442 | 4,656 |
| Michael Paquier | 362 | 141 | 2,641 |
| Michael Meskes | 282 | 73 | 362 |
| Álvaro Herrera | 279 | 80 | 2,302 |
| Robert Haas | 252 | 100 | 2,116 |
| Heikki Linnakangas | 195 | 46 | 1,754 |
| Andres Freund | 128 | 55 | 2,171 |
| Daniel Gustafsson | 78 | 52 | 871 |
| Amit Kapila | 78 | 8 | 861 |
| Andrew Dunstan | 68 | 31 | 1,316 |
| Tatsuo Ishii | 61 | 8 | 372 |
| Tomas Vondra | 57 | 12 | 542 |
| Nathan Bossart | 54 | 25 | 731 |
| Thomas Munro | 53 | 19 | 843 |
| Peter Geoghegan | 49 | 23 | 623 |
| Alexander Korotkov | 47 | 20 | 661 |
| Teodor Sigaev | 45 | 30 | 522 |
| Masahiko Sawada | 43 | 24 | 313 |
| Noah Misch | 40 | 23 | 920 |
| Jeff Davis | 39 | 14 | 453 |
| Fujii Masao | 32 | 19 | 670 |
| Stephen Frost | 26 | 12 | 456 |
| Jacob Champion | 26 | 6 | 114 |
Files touched by the most people — shared code where changes are most likely to need coordination.
| File | Contributors | Primary owner | Owner share |
|---|---|---|---|
| src/backend/parser/gram.y | 43 | Tom Lane | 31.1% |
| src/include/catalog/catversion.h | 41 | Tom Lane | 38.5% |
| doc/src/sgml/config.sgml | 39 | Tom Lane | 18.6% |
| src/include/nodes/parsenodes.h | 39 | Tom Lane | 33.6% |
| src/bin/pg_dump/pg_dump.c | 38 | Tom Lane | 31.4% |
| src/backend/commands/tablecmds.c | 37 | Tom Lane | 30.8% |
| src/backend/utils/misc/guc.c | 37 | Tom Lane | 32.1% |
| src/include/nodes/execnodes.h | 37 | Tom Lane | 39.7% |
| src/backend/tcop/postgres.c | 36 | Tom Lane | 33.5% |
| src/backend/commands/explain.c | 36 | Tom Lane | 36.8% |
| src/include/miscadmin.h | 36 | Tom Lane | 27.4% |
| src/backend/access/heap/heapam.c | 35 | Tom Lane | 20.8% |
| src/backend/optimizer/plan/planner.c | 35 | Tom Lane | 47.4% |
| src/backend/utils/misc/postgresql.conf.sample | 35 | Tom Lane | 23.4% |
| src/backend/commands/vacuum.c | 35 | Tom Lane | 29.5% |
| src/backend/commands/copy.c | 35 | Tom Lane | 30.6% |
| src/backend/postmaster/postmaster.c | 34 | Tom Lane | 27.8% |
| src/backend/nodes/copyfuncs.c | 34 | Tom Lane | 46.4% |
| src/backend/nodes/outfuncs.c | 34 | Tom Lane | 50.4% |
| src/backend/catalog/index.c | 34 | Tom Lane | 33.3% |
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# .github/workflows/gitstats.yml
name: GitStats Report
on:
push:
branches: [main]
permissions:
contents: write
jobs:
gitstats:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v7
with:
fetch-depth: 0
- uses: shenxianpeng/gitstats-action@v1
with:
deploy-to-pages: true