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 |
|---|---|---|
| contrib/fuzz/builtins.go | Derek McGowan | 15 |
| contrib/gce/env | Lantao Liu | 15 |
| contrib/v2-migrate.sh | Derek McGowan | 12 |
| contrib/fuzz/builtins_linux.go | Derek McGowan | 9 |
| plugins/diff/walking/differ.go | Derek McGowan | 8 |
| docs/user-namespaces/README.md | Rodrigo Campos | 8 |
| core/mount/manager.go | Derek McGowan | 7 |
| core/metadata/gc_test.go | Derek McGowan | 7 |
| client/namespaces.go | Derek McGowan | 7 |
| core/content/proxy/content_store.go | Derek McGowan | 7 |
| File | Sole owner | Commits |
|---|---|---|
| contrib/fuzz/builtins.go | Derek McGowan | 15 |
| contrib/gce/env | Lantao Liu | 15 |
| contrib/v2-migrate.sh | Derek McGowan | 12 |
| contrib/fuzz/builtins_linux.go | Derek McGowan | 9 |
| plugins/diff/walking/differ.go | Derek McGowan | 8 |
| docs/user-namespaces/README.md | Rodrigo Campos | 8 |
| core/mount/manager.go | Derek McGowan | 7 |
| core/metadata/gc_test.go | Derek McGowan | 7 |
| client/namespaces.go | Derek McGowan | 7 |
| core/content/proxy/content_store.go | Derek McGowan | 7 |
| core/leases/proxy/manager.go | Derek McGowan | 6 |
| integration/client/transfer_test.go | Derek McGowan | 6 |
| contrib/fuzz/builtins_windows.go | Derek McGowan | 6 |
| core/runtime/v2/process.go | Derek McGowan | 5 |
| core/sandbox/proxy/store.go | Derek McGowan | 5 |
| core/metrics/cgroups/v1/cgroups.go | Derek McGowan | 5 |
| client/install.go | Derek McGowan | 5 |
| core/images/converter/uncompress/uncompress.go | Derek McGowan | 5 |
| docs/mounts.md | Derek McGowan | 4 |
| core/mount/manager/buckets.go | Derek McGowan | 4 |
| internal/fsview/mount.go | Derek McGowan | 4 |
| internal/fsview/overlay.go | Derek McGowan | 4 |
| internal/fsview/overlay_linux_test.go | Derek McGowan | 4 |
| core/mount/manager/format.go | Derek McGowan | 4 |
| core/metadata/leases_test.go | Derek McGowan | 4 |
| plugins/content/local/readerat.go | Derek McGowan | 4 |
| contrib/fuzz/builtins_unix.go | Derek McGowan | 4 |
| vendor/golang.org/x/net/http2/transport_wrap.go | Sebastiaan van Stijn | 3 |
| vendor/github.com/sirupsen/logrus/buffer_pool.go | Sebastiaan van Stijn | 3 |
| vendor/github.com/moby/sys/symlink/fs_windows.go | Sebastiaan van Stijn | 3 |
| pkg/httpdbg/debug.go | Maksym Pavlenko | 3 |
| vendor/github.com/containerd/plugin/.golangci.yml | Derek McGowan | 3 |
| internal/fsview/mount_test.go | Derek McGowan | 3 |
| core/remotes/docker/referrers_test.go | Derek McGowan | 3 |
| core/snapshots/testsuite/mount.go | Derek McGowan | 3 |
| core/mount/manager/format_test.go | Derek McGowan | 3 |
| core/snapshots/testsuite/helpers.go | Derek McGowan | 3 |
| vendor/github.com/containerd/platforms/database.go | Derek McGowan | 3 |
| client/diff.go | Derek McGowan | 3 |
| core/metadata/namespaces_test.go | Derek McGowan | 3 |
| core/metrics/cgroups/v2/cgroups.go | Derek McGowan | 3 |
| core/remotes/docker/status.go | Derek McGowan | 3 |
| plugins/restart/change.go | Derek McGowan | 3 |
| core/remotes/docker/handler_test.go | Derek McGowan | 3 |
| core/images/diffid.go | Derek McGowan | 3 |
| pkg/os/mount_linux.go | Derek McGowan | 3 |
| vendor/github.com/containerd/nri/pkg/api/update.go | Krisztian Litkey | 3 |
| vendor/github.com/containerd/nri/pkg/adaptation/plugin_linux.go | Krisztian Litkey | 3 |
| vendor/github.com/containerd/nri/pkg/api/helpers.go | Krisztian Litkey | 3 |
| vendor/github.com/Microsoft/hcsshim/internal/wclayer/cim/common.go | Amit Barve | 3 |
| vendor/github.com/Microsoft/hcsshim/pkg/cimfs/cim_writer_windows.go | Amit Barve | 3 |
| vendor/github.com/Microsoft/hcsshim/pkg/cimfs/cimfs.go | Amit Barve | 3 |
| vendor/github.com/Microsoft/hcsshim/pkg/cimfs/doc.go | Amit Barve | 3 |
| vendor/github.com/Microsoft/hcsshim/pkg/cimfs/mount_cim.go | Amit Barve | 3 |
| vendor/github.com/Microsoft/hcsshim/pkg/ociwclayer/cim/import.go | Amit Barve | 3 |
| integration/remote/doc.go | Davanum Srinivas | 3 |
| docs/user-namespaces/config.json | Rodrigo Campos | 3 |
| contrib/apparmor/apparmor_fuzzer_test.go | Jin Dong | 3 |
| contrib/fuzz/diff_fuzz_test.go | Jin Dong | 3 |
| contrib/fuzz/images_fuzz_test.go | Jin Dong | 3 |
| integration/images/volume-ownership/Dockerfile_windows | Gabriel Adrian Samfira | 3 |
| vendor/github.com/containerd/log/.golangci.yml | Sebastiaan van Stijn | 2 |
| vendor/github.com/containerd/log/context.go | Sebastiaan van Stijn | 2 |
| vendor/github.com/moby/sys/userns/userns_linux.go | Sebastiaan van Stijn | 2 |
| vendor/go.opentelemetry.io/otel/attribute/hash.go | Sebastiaan van Stijn | 2 |
| vendor/go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc/internal/observ/target.go | Sebastiaan van Stijn | 2 |
| vendor/go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc/internal/x/x.go | Sebastiaan van Stijn | 2 |
| vendor/go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp/internal/x/x.go | Sebastiaan van Stijn | 2 |
| vendor/go.opentelemetry.io/otel/sdk/internal/x/x.go | Sebastiaan van Stijn | 2 |
| vendor/go.opentelemetry.io/otel/sdk/trace/internal/observ/simple_span_processor.go | Sebastiaan van Stijn | 2 |
| vendor/go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp/internal/request/body_wrapper.go | Sebastiaan van Stijn | 2 |
| vendor/go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp/internal/request/resp_writer_wrapper.go | Sebastiaan van Stijn | 2 |
| vendor/go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp/internal/semconv/gen.go | Sebastiaan van Stijn | 2 |
| vendor/go.opentelemetry.io/otel/sdk/resource/os_release_darwin.go | Sebastiaan van Stijn | 2 |
| vendor/go.opentelemetry.io/otel/sdk/resource/os_unsupported.go | Sebastiaan van Stijn | 2 |
| vendor/go.opentelemetry.io/otel/sdk/resource/os_windows.go | Sebastiaan van Stijn | 2 |
| vendor/go.opentelemetry.io/otel/sdk/trace/link.go | Sebastiaan van Stijn | 2 |
| vendor/github.com/moby/sys/user/user.go | Sebastiaan van Stijn | 2 |
| vendor/github.com/moby/sys/symlink/doc.go | Sebastiaan van Stijn | 2 |
| vendor/github.com/moby/sys/symlink/fs.go | Sebastiaan van Stijn | 2 |
| vendor/github.com/moby/sys/symlink/fs_unix.go | Sebastiaan van Stijn | 2 |
| vendor/github.com/moby/sys/mountinfo/mountinfo_filters.go | Sebastiaan van Stijn | 2 |
| internal/cri/nri/nri_api.go | Maksym Pavlenko | 2 |
| internal/cri/server/nri.go | Maksym Pavlenko | 2 |
| api/events/sandbox_fieldpath.pb.go | Maksym Pavlenko | 2 |
| api/runtime/task/v3/shim_ttrpc.pb.go | Maksym Pavlenko | 2 |
| .github/ISSUE_TEMPLATE/bug_report.yaml | Maksym Pavlenko | 2 |
| contrib/aws/snapshotter_bench_readme.md | Maksym Pavlenko | 2 |
| vendor/github.com/containerd/go-cni/Makefile | Mike Brown | 2 |
| cmd/ctr/commands/containers/containers_test.go | Samuel Karp | 2 |
| cmd/ctr/commands/run/run_test.go | Samuel Karp | 2 |
| docs/security/THREAT_MODEL.md | Samuel Karp | 2 |
| docs/security/TRIAGE_GUIDE.md | Samuel Karp | 2 |
| contrib/checkpoint/checkpoint-restore-cri-disable-test.sh | Samuel Karp | 2 |
| vendor/github.com/opencontainers/selinux/go-selinux/xattrs_linux.go | Akihiro Suda | 2 |
| .github/ISSUE_TEMPLATE/config.yml | Akihiro Suda | 2 |
| internal/cri/server/sandbox_update_resources_test.go | Chris Henzie | 2 |
| docs/shim-capabilities.md | Derek McGowan | 2 |
| core/runtime/v2/task_mounts.go | Derek McGowan | 2 |
| core/runtime/v2/task_mounts_test.go | Derek McGowan | 2 |
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 |
|---|---|---|---|
| Sebastiaan van Stijn | 1,269 | 284 | 2,071 |
| Derek McGowan | 896 | 300 | 2,747 |
| Lantao Liu | 578 | 1 | 1,241 |
| Maksym Pavlenko | 343 | 89 | 832 |
| Krisztian Litkey | 313 | 261 | 396 |
| Kazuyoshi Kato | 233 | 115 | 843 |
| Akihiro Suda | 218 | 114 | 1,205 |
| Justin Terry | 131 | 104 | 380 |
| Shengjing Zhu | 116 | 50 | 256 |
| Samuel Karp | 115 | 47 | 296 |
| Luca Comellini | 112 | 16 | 380 |
| Priyanka Saggu | 109 | 91 | 130 |
| Daniel Canter | 108 | 70 | 538 |
| Kirtana Ashok | 97 | 36 | 361 |
| Davanum Srinivas | 88 | 30 | 776 |
| Mike Brown | 80 | 27 | 447 |
| Wei Fu | 77 | 19 | 215 |
| Apurv Barve | 77 | 77 | 93 |
| Sergey Kanzhelev | 73 | 48 | 152 |
| Kohei Tokunaga | 71 | 27 | 593 |
| Michael Crosby | 71 | 6 | 518 |
| Stephen J Day | 56 | 0 | 183 |
| ningmingxiao | 46 | 5 | 88 |
| Phil Estes | 43 | 2 | 355 |
| Abel Feng | 39 | 31 | 105 |
Files touched by the most people — shared code where changes are most likely to need coordination.
| File | Contributors | Primary owner | Owner share |
|---|---|---|---|
| go.mod | 81 | Sebastiaan van Stijn | 25.2% |
| vendor/modules.txt | 80 | Sebastiaan van Stijn | 25.8% |
| go.sum | 78 | Sebastiaan van Stijn | 26.2% |
| README.md | 76 | Michael Crosby | 14.0% |
| Makefile | 61 | Lantao Liu | 12.1% |
| .github/workflows/ci.yml | 52 | Akihiro Suda | 15.5% |
| cmd/ctr/commands/run/run_unix.go | 52 | Michael Crosby | 12.8% |
| BUILDING.md | 45 | Akihiro Suda | 15.9% |
| docs/cri/config.md | 38 | Mike Brown | 11.5% |
| cmd/containerd/command/main.go | 34 | Derek McGowan | 18.9% |
| RELEASES.md | 33 | Derek McGowan | 29.5% |
| cmd/ctr/commands/run/run.go | 31 | Derek McGowan | 15.6% |
| cmd/ctr/commands/commands.go | 31 | Michael Crosby | 16.3% |
| internal/cri/server/container_create.go | 30 | Jin Dong | 10.0% |
| integration/main_test.go | 29 | Derek McGowan | 13.5% |
| docs/getting-started.md | 28 | Michael Crosby | 14.6% |
| .github/workflows/release.yml | 27 | Sebastiaan van Stijn | 27.1% |
| cmd/containerd/main.go | 27 | Michael Crosby | 27.1% |
| integration/client/container_linux_test.go | 25 | Derek McGowan | 25.4% |
| cmd/ctr/commands/run/run_windows.go | 25 | Justin Terry | 19.6% |
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Publishes the report to GitHub Pages on every push to main: turn on Pages for the gh-pages branch.
# .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