apache / arrow-cookbook
File Change Frequency

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

Overview
File Change Frequency Overall
  • There are 25 files with 1,333 lines of code.
    • 0 files changed more than 100 times (0 lines of code)
    • 0 files changed 51-100 times (0 lines of code)
    • 0 files changed 21-50 times (0 lines of code)
    • 6 files changed 6-20 times (289 lines of code)
    • 19 files changed 1-5 times (1,044 lines of code)
0% | 0% | 0% | 21% | 78%
Legend:
101+
51-100
21-50
6-20
1-5

explore: grouped by folders | grouped by update frequency | data
Contributors Count Frequency Overall
  • There are 25 files with 1,333 lines of code.
    • 0 files changed by more than 25 contributors (0 lines of code)
    • 0 files changed by 11-25 contributors (0 lines of code)
    • 0 files changed by 6-10 contributors (0 lines of code)
    • 12 files changed by 2-5 contributors (1,023 lines of code)
    • 13 files changed by 1 contributor (310 lines of code)
0% | 0% | 0% | 76% | 23%
Legend:
26+
11-25
6-10
2-5
1

explore: grouped by folders | grouped by contributors count | data
File Change Frequency per File Extension
rst, yml, rmd, html, cc, py, md, txt, bat, sh, gitignore, sql, clang-format, r, xml, json, yaml, orc, cfg, svg, avsc, h, proto, clang-tidy
File Change Frequency per Extension
The number of recorded file updates
101+
51-100
21-50
6-20
1-5
py0% | 0% | 0% | 60% | 39%
cc0% | 0% | 0% | 14% | 85%
yml0% | 0% | 0% | 71% | 28%
html0% | 0% | 0% | 0% | 100%
sql0% | 0% | 0% | 0% | 100%
h0% | 0% | 0% | 0% | 100%
avsc0% | 0% | 0% | 0% | 100%
proto0% | 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
cpp0% | 0% | 0% | 13% | 86%
java0% | 0% | 0% | 63% | 36%
python0% | 0% | 0% | 81% | 18%
r0% | 0% | 0% | 100% | 0%
build0% | 0% | 0% | 0% | 100%
ROOT0% | 0% | 0% | 0% | 100%
Most Frequently Changed Files (Top 25)

See data for all files...

File# lines# unitscreatedlast modified# changes
(days)		# contributorsfirst
contributor		latest
contributor
12 - 2021-08-23 2023-05-09 11 5 weston.pace@gmail.com willjones127@gmail.com
_bookdown.yml
in r/content
 20 - 2021-07-28 2022-12-21 9 5 amol@turbogears.org jorisvandenbossche@gmail.com
conf.py
in java/source
 35 - 2022-01-25 2023-05-09 9 4 davi.sarces@gmail.com willjones127@gmail.com
javadoctest.py
in java/ext
 78 4 2022-01-25 2023-03-22 8 4 amol@turbogears.org raulcumplido@gmail.com
conf.py
in python/source
 27 - 2021-07-28 2023-03-16 6 5 amol@turbogears.org willjones127@gmail.com
datasets.cc
in cpp/code
 117 3 2021-10-27 2022-08-09 6 3 weston.pace@gmail.com paliwalashish@gmail.com
index.html
in build
 63 - 2021-07-28 2022-12-21 5 5 amol@turbogears.org jorisvandenbossche@gmail.com
common.cc
in cpp/code
 140 11 2021-08-23 2022-07-06 5 2 weston.pace@gmail.com li.davidm96@gmail.com
conf.py
in cpp/source
 27 - 2021-08-23 2023-03-16 4 3 weston.pace@gmail.com willjones127@gmail.com
basic_arrow.cc
in cpp/code
 92 6 2021-08-23 2022-12-12 4 3 weston.pace@gmail.com raulcumplido@gmail.com
99 6 2021-08-23 2022-12-12 4 3 weston.pace@gmail.com raulcumplido@gmail.com
flight.cc
in cpp/code
 313 14 2022-02-09 2022-07-06 4 2 li.davidm96@gmail.com li.davidm96@gmail.com
common.h
in cpp/code
 27 - 2021-08-23 2021-10-27 3 1 weston.pace@gmail.com weston.pace@gmail.com
dev.yml
in cpp
 13 - 2022-09-06 2022-12-21 2 1 raulcumplido@gmail.com raulcumplido@gmail.com
layout.html
in cpp/source/_templates
 6 - 2022-12-21 2022-12-21 1 1 jorisvandenbossche@gmail.com jorisvandenbossche@gmail.com
layout.html
in java/source/_templates
 6 - 2022-12-21 2022-12-21 1 1 jorisvandenbossche@gmail.com jorisvandenbossche@gmail.com
layout.html
in python/source/_templates
 6 - 2022-12-21 2022-12-21 1 1 jorisvandenbossche@gmail.com jorisvandenbossche@gmail.com
h2-dml.sql
in java/thirdpartydeps/jdbc
 12 - 2022-08-23 2022-08-23 1 1 davi.sarces@gmail.com davi.sarces@gmail.com
15 - 2022-12-21 2022-12-21 1 1 jorisvandenbossche@gmail.com jorisvandenbossche@gmail.com
main.cc
in cpp/code
 21 1 2021-08-23 2021-08-23 1 1 weston.pace@gmail.com weston.pace@gmail.com
h2-ddl.sql
in java/thirdpartydeps/jdbc
 21 - 2022-08-23 2022-08-23 1 1 davi.sarces@gmail.com davi.sarces@gmail.com
proto
helloworld.proto
in cpp/code/protos
 26 - 2022-02-25 2022-02-25 1 1 willjones127@gmail.com willjones127@gmail.com
user.avsc
in java/thirdpartydeps/avro
 26 - 2022-08-04 2022-08-04 1 1 paliwalashish@gmail.com paliwalashish@gmail.com
recipeext.py
in cpp/ext
 65 4 2021-08-23 2021-08-23 1 1 weston.pace@gmail.com weston.pace@gmail.com
66 - 2022-12-21 2022-12-21 1 1 raulcumplido@gmail.com raulcumplido@gmail.com
Files With Most Contributors (Top 25)
Based on the number of unique email addresses found in commits.

See data for all files...

File# lines# unitscreatedlast modified# changes
(days)		# contributorsfirst
contributor		latest
contributor
12 - 2021-08-23 2023-05-09 11 5 weston.pace@gmail.com willjones127@gmail.com
_bookdown.yml
in r/content
 20 - 2021-07-28 2022-12-21 9 5 amol@turbogears.org jorisvandenbossche@gmail.com
conf.py
in python/source
 27 - 2021-07-28 2023-03-16 6 5 amol@turbogears.org willjones127@gmail.com
index.html
in build
 63 - 2021-07-28 2022-12-21 5 5 amol@turbogears.org jorisvandenbossche@gmail.com
conf.py
in java/source
 35 - 2022-01-25 2023-05-09 9 4 davi.sarces@gmail.com willjones127@gmail.com
javadoctest.py
in java/ext
 78 4 2022-01-25 2023-03-22 8 4 amol@turbogears.org raulcumplido@gmail.com
datasets.cc
in cpp/code
 117 3 2021-10-27 2022-08-09 6 3 weston.pace@gmail.com paliwalashish@gmail.com
conf.py
in cpp/source
 27 - 2021-08-23 2023-03-16 4 3 weston.pace@gmail.com willjones127@gmail.com
basic_arrow.cc
in cpp/code
 92 6 2021-08-23 2022-12-12 4 3 weston.pace@gmail.com raulcumplido@gmail.com
99 6 2021-08-23 2022-12-12 4 3 weston.pace@gmail.com raulcumplido@gmail.com
common.cc
in cpp/code
 140 11 2021-08-23 2022-07-06 5 2 weston.pace@gmail.com li.davidm96@gmail.com
flight.cc
in cpp/code
 313 14 2022-02-09 2022-07-06 4 2 li.davidm96@gmail.com li.davidm96@gmail.com
common.h
in cpp/code
 27 - 2021-08-23 2021-10-27 3 1 weston.pace@gmail.com weston.pace@gmail.com
dev.yml
in cpp
 13 - 2022-09-06 2022-12-21 2 1 raulcumplido@gmail.com raulcumplido@gmail.com
layout.html
in python/source/_templates
 6 - 2022-12-21 2022-12-21 1 1 jorisvandenbossche@gmail.com jorisvandenbossche@gmail.com
15 - 2022-12-21 2022-12-21 1 1 jorisvandenbossche@gmail.com jorisvandenbossche@gmail.com
layout.html
in java/source/_templates
 6 - 2022-12-21 2022-12-21 1 1 jorisvandenbossche@gmail.com jorisvandenbossche@gmail.com
h2-ddl.sql
in java/thirdpartydeps/jdbc
 21 - 2022-08-23 2022-08-23 1 1 davi.sarces@gmail.com davi.sarces@gmail.com
h2-dml.sql
in java/thirdpartydeps/jdbc
 12 - 2022-08-23 2022-08-23 1 1 davi.sarces@gmail.com davi.sarces@gmail.com
user.avsc
in java/thirdpartydeps/avro
 26 - 2022-08-04 2022-08-04 1 1 paliwalashish@gmail.com paliwalashish@gmail.com
recipeext.py
in cpp/ext
 65 4 2021-08-23 2021-08-23 1 1 weston.pace@gmail.com weston.pace@gmail.com
layout.html
in cpp/source/_templates
 6 - 2022-12-21 2022-12-21 1 1 jorisvandenbossche@gmail.com jorisvandenbossche@gmail.com
main.cc
in cpp/code
 21 1 2021-08-23 2021-08-23 1 1 weston.pace@gmail.com weston.pace@gmail.com
proto
helloworld.proto
in cpp/code/protos
 26 - 2022-02-25 2022-02-25 1 1 willjones127@gmail.com willjones127@gmail.com
66 - 2022-12-21 2022-12-21 1 1 raulcumplido@gmail.com raulcumplido@gmail.com
Files With Least Contributors (Top 25)
Based on the number of unique email addresses found in commits.

See data for all files...

File# lines# unitscreatedlast modified# changes
(days)		# contributorsfirst
contributor		latest
contributor
66 - 2022-12-21 2022-12-21 1 1 raulcumplido@gmail.com raulcumplido@gmail.com
recipeext.py
in cpp/ext
 65 4 2021-08-23 2021-08-23 1 1 weston.pace@gmail.com weston.pace@gmail.com
common.h
in cpp/code
 27 - 2021-08-23 2021-10-27 3 1 weston.pace@gmail.com weston.pace@gmail.com
user.avsc
in java/thirdpartydeps/avro
 26 - 2022-08-04 2022-08-04 1 1 paliwalashish@gmail.com paliwalashish@gmail.com
proto
helloworld.proto
in cpp/code/protos
 26 - 2022-02-25 2022-02-25 1 1 willjones127@gmail.com willjones127@gmail.com
h2-ddl.sql
in java/thirdpartydeps/jdbc
 21 - 2022-08-23 2022-08-23 1 1 davi.sarces@gmail.com davi.sarces@gmail.com
main.cc
in cpp/code
 21 1 2021-08-23 2021-08-23 1 1 weston.pace@gmail.com weston.pace@gmail.com
15 - 2022-12-21 2022-12-21 1 1 jorisvandenbossche@gmail.com jorisvandenbossche@gmail.com
dev.yml
in cpp
 13 - 2022-09-06 2022-12-21 2 1 raulcumplido@gmail.com raulcumplido@gmail.com
h2-dml.sql
in java/thirdpartydeps/jdbc
 12 - 2022-08-23 2022-08-23 1 1 davi.sarces@gmail.com davi.sarces@gmail.com
layout.html
in python/source/_templates
 6 - 2022-12-21 2022-12-21 1 1 jorisvandenbossche@gmail.com jorisvandenbossche@gmail.com
layout.html
in java/source/_templates
 6 - 2022-12-21 2022-12-21 1 1 jorisvandenbossche@gmail.com jorisvandenbossche@gmail.com
layout.html
in cpp/source/_templates
 6 - 2022-12-21 2022-12-21 1 1 jorisvandenbossche@gmail.com jorisvandenbossche@gmail.com
flight.cc
in cpp/code
 313 14 2022-02-09 2022-07-06 4 2 li.davidm96@gmail.com li.davidm96@gmail.com
common.cc
in cpp/code
 140 11 2021-08-23 2022-07-06 5 2 weston.pace@gmail.com li.davidm96@gmail.com
datasets.cc
in cpp/code
 117 3 2021-10-27 2022-08-09 6 3 weston.pace@gmail.com paliwalashish@gmail.com
99 6 2021-08-23 2022-12-12 4 3 weston.pace@gmail.com raulcumplido@gmail.com
basic_arrow.cc
in cpp/code
 92 6 2021-08-23 2022-12-12 4 3 weston.pace@gmail.com raulcumplido@gmail.com
conf.py
in cpp/source
 27 - 2021-08-23 2023-03-16 4 3 weston.pace@gmail.com willjones127@gmail.com
javadoctest.py
in java/ext
 78 4 2022-01-25 2023-03-22 8 4 amol@turbogears.org raulcumplido@gmail.com
conf.py
in java/source
 35 - 2022-01-25 2023-05-09 9 4 davi.sarces@gmail.com willjones127@gmail.com
index.html
in build
 63 - 2021-07-28 2022-12-21 5 5 amol@turbogears.org jorisvandenbossche@gmail.com
conf.py
in python/source
 27 - 2021-07-28 2023-03-16 6 5 amol@turbogears.org willjones127@gmail.com
_bookdown.yml
in r/content
 20 - 2021-07-28 2022-12-21 9 5 amol@turbogears.org jorisvandenbossche@gmail.com
12 - 2021-08-23 2023-05-09 11 5 weston.pace@gmail.com willjones127@gmail.com
Correlations

File Size vs. Number of Changes: 25 points

cpp/environment.yml x: 12 lines of code y: 11 # changes java/source/conf.py x: 35 lines of code y: 9 # changes java/ext/javadoctest.py x: 78 lines of code y: 8 # changes cpp/source/conf.py x: 27 lines of code y: 4 # changes python/source/conf.py x: 27 lines of code y: 6 # changes build/index_dev.html x: 66 lines of code y: 1 # changes cpp/dev.yml x: 13 lines of code y: 2 # changes build/index.html x: 63 lines of code y: 5 # changes cpp/source/_templates/layout.html x: 6 lines of code y: 1 # changes matomo.html x: 15 lines of code y: 1 # changes r/content/_bookdown.yml x: 20 lines of code y: 9 # changes cpp/code/basic_arrow.cc x: 92 lines of code y: 4 # changes cpp/code/creating_arrow_objects.cc x: 99 lines of code y: 4 # changes java/thirdpartydeps/jdbc/h2-ddl.sql x: 21 lines of code y: 1 # changes java/thirdpartydeps/jdbc/h2-dml.sql x: 12 lines of code y: 1 # changes cpp/code/datasets.cc x: 117 lines of code y: 6 # changes java/thirdpartydeps/avro/user.avsc x: 26 lines of code y: 1 # changes cpp/code/common.cc x: 140 lines of code y: 5 # changes cpp/code/flight.cc x: 313 lines of code y: 4 # changes cpp/code/common.h x: 27 lines of code y: 3 # changes cpp/ext/recipeext.py x: 65 lines of code y: 1 # changes
11.0
# changes
  min: 1.0
  average: 3.64
  25th percentile: 1.0
  median: 3.0
  75th percentile: 5.5
  max: 11.0
0 313.0
lines of code
min: 6.0 | average: 53.32 | 25th percentile: 14.0 | median: 27.0 | 75th percentile: 72.0 | max: 313.0

Number of Contributors vs. Number of Changes: 25 points

cpp/environment.yml x: 5 # contributors y: 11 # changes java/source/conf.py x: 4 # contributors y: 9 # changes java/ext/javadoctest.py x: 4 # contributors y: 8 # changes cpp/source/conf.py x: 3 # contributors y: 4 # changes python/source/conf.py x: 5 # contributors y: 6 # changes build/index_dev.html x: 1 # contributors y: 1 # changes cpp/dev.yml x: 1 # contributors y: 2 # changes build/index.html x: 5 # contributors y: 5 # changes r/content/_bookdown.yml x: 5 # contributors y: 9 # changes cpp/code/datasets.cc x: 3 # contributors y: 6 # changes cpp/code/common.cc x: 2 # contributors y: 5 # changes cpp/code/flight.cc x: 2 # contributors y: 4 # changes cpp/code/common.h x: 1 # contributors y: 3 # changes
11.0
# changes
  min: 1.0
  average: 3.64
  25th percentile: 1.0
  median: 3.0
  75th percentile: 5.5
  max: 11.0
0 5.0
# contributors
min: 1.0 | average: 2.28 | 25th percentile: 1.0 | median: 1.0 | 75th percentile: 3.5 | max: 5.0

Number of Contributors vs. File Size: 25 points

cpp/environment.yml x: 5 # contributors y: 12 lines of code java/source/conf.py x: 4 # contributors y: 35 lines of code java/ext/javadoctest.py x: 4 # contributors y: 78 lines of code cpp/source/conf.py x: 3 # contributors y: 27 lines of code python/source/conf.py x: 5 # contributors y: 27 lines of code build/index_dev.html x: 1 # contributors y: 66 lines of code cpp/dev.yml x: 1 # contributors y: 13 lines of code build/index.html x: 5 # contributors y: 63 lines of code cpp/source/_templates/layout.html x: 1 # contributors y: 6 lines of code matomo.html x: 1 # contributors y: 15 lines of code r/content/_bookdown.yml x: 5 # contributors y: 20 lines of code cpp/code/basic_arrow.cc x: 3 # contributors y: 92 lines of code cpp/code/creating_arrow_objects.cc x: 3 # contributors y: 99 lines of code java/thirdpartydeps/jdbc/h2-ddl.sql x: 1 # contributors y: 21 lines of code java/thirdpartydeps/jdbc/h2-dml.sql x: 1 # contributors y: 12 lines of code cpp/code/datasets.cc x: 3 # contributors y: 117 lines of code java/thirdpartydeps/avro/user.avsc x: 1 # contributors y: 26 lines of code cpp/code/common.cc x: 2 # contributors y: 140 lines of code cpp/code/flight.cc x: 2 # contributors y: 313 lines of code cpp/ext/recipeext.py x: 1 # contributors y: 65 lines of code
313.0
lines of code
  min: 6.0
  average: 53.32
  25th percentile: 14.0
  median: 27.0
  75th percentile: 72.0
  max: 313.0
0 5.0
# contributors
min: 1.0 | average: 2.28 | 25th percentile: 1.0 | median: 1.0 | 75th percentile: 3.5 | max: 5.0