microsoft / envoy
File Change Frequency

File change frequency (churn) shows the distribution of file updates (days with at least one commit).

File Change Frequency Overall
File Change Frequency Overall
The number of recorded file updates
  • There are 1,080 files with 99,940 lines of code.
    • 12 files changed more than 100 times (8,587 lines of code)
    • 34 files changed 51-100 times (12,376 lines of code)
    • 132 files changed 21-50 times (22,319 lines of code)
    • 455 files changed 6-20 times (35,502 lines of code)
    • 447 files changed 1-5 times (21,156 lines of code)
8% | 12% | 22% | 35% | 21%
Legend:
101+
51-100
21-50
6-20
1-5

Detailed data...

File Change Frequency per File Extension
cc, h, rst, proto, sh, md, yaml, py, svg, json, cfg, bzl, txt, yml, ps1, gitignore, go, pb, css, gitattributes, bat, thrift, html, el, clang-format, clang-tidy
File Change Frequency per Extension
The number of recorded file updates
101+
51-100
21-50
6-20
1-5
cc12% | 15% | 23% | 31% | 16%
h4% | 9% | 20% | 38% | 27%
bzl33% | 24% | 20% | 22% | 0%
py0% | 20% | 0% | 44% | 34%
proto0% | 0% | 27% | 54% | 17%
yaml0% | 0% | 0% | 4% | 95%
ps10% | 0% | 0% | 0% | 100%
el0% | 0% | 0% | 0% | 100%
File Change Frequency per Logical Decomposition
primary
primary (file change frequency)
The number of recorded file updates
101+
51-100
21-50
6-20
1-5
source/common14% | 20% | 35% | 20% | 9%
source/server23% | 29% | 31% | 11% | 4%
bazel46% | 33% | <1% | 17% | <1%
include/envoy0% | 16% | 24% | 41% | 17%
tools0% | 36% | 0% | 45% | 18%
api/envoy0% | 0% | 27% | 54% | 17%
source/extensions0% | 0% | 3% | 56% | 40%
api/bazel0% | 0% | 65% | 34% | 0%
source/exe0% | 0% | 35% | 50% | 14%
configs0% | 0% | 0% | 13% | 86%
restarter0% | 0% | 0% | 100% | 0%
tools/protodoc0% | 0% | 0% | 19% | 80%
tools/deprecate_version0% | 0% | 0% | 100% | 0%
api/tools0% | 0% | 0% | 57% | 42%
tools/envoy_collect0% | 0% | 0% | 0% | 100%
windows/setup0% | 0% | 0% | 0% | 100%
configs/original-dst-cluster0% | 0% | 0% | 0% | 100%
configs/freebind0% | 0% | 0% | 0% | 100%
ci0% | 0% | 0% | 0% | 100%
Most Frequently Changed Files (Top 20)

See data for all files...

File# lines# unitslast modified
(days ago)		created
(days ago)		# changes
conn_manager_impl.cc
in source/common/http
 1321 76 1115 2000 146
upstream_impl.cc
in source/common/upstream
 1026 32 1115 2000 139
config_impl.cc
in source/common/router
 894 27 1115 2000 138
cluster_manager_impl.cc
in source/common/upstream
 897 31 1115 2000 134
server.cc
in source/server
 393 16 1115 2000 126
repository_locations.bzl
in bazel
 194 - 1115 1683 112
config_impl.h
in source/common/router
 524 42 1115 2000 112
router.cc
in source/common/router
 858 45 1115 2000 111
admin.cc
in source/server/http
 1032 48 1115 2000 108
upstream_impl.h
in source/common/upstream
 548 44 1115 2000 106
conn_manager_impl.h
in source/common/http
 350 27 1115 2000 105
repositories.bzl
in bazel
 550 - 1115 1781 103
async_client_impl.h
in source/common/http
 299 39 1115 2000 93
config_schemas.cc
in source/common/json
 1643 32 1115 1831 92
upstream.h
in include/envoy/upstream
 295 7 1115 2000 90
admin.h
in source/server/http
 288 27 1115 2000 88
router.h
in include/envoy/router
 228 17 1115 2000 83
cluster_manager_impl.h
in source/common/upstream
 336 12 1115 2000 83
configuration_impl.cc
in source/server
 116 5 1115 2000 82
connection_impl.cc
in source/common/network
 425 30 1115 2000 81