netflix / spectator-js
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 27 files with 751 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)
    • 0 files changed 6-20 times (0 lines of code)
    • 27 files changed 1-5 times (751 lines of code)
0% | 0% | 0% | 0% | 100%
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 27 files with 751 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)
    • 0 files changed by 2-5 contributors (0 lines of code)
    • 27 files changed by 1 contributor (751 lines of code)
0% | 0% | 0% | 0% | 100%
Legend:
26+
11-25
6-10
2-5
1

explore: grouped by folders | grouped by contributors count | data
File Change Frequency per File Extension
ts, json, yaml, md, txt, gitignore, mjs
File Change Frequency per Extension
The number of recorded file updates
101+
51-100
21-50
6-20
1-5
ts0% | 0% | 0% | 0% | 100%
mjs0% | 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
src0% | 0% | 0% | 0% | 100%
ROOT0% | 0% | 0% | 0% | 100%
Most Frequently Changed Files (Top 27)

See data for all files...

File# lines# unitscreatedlast modified# changes
(days)
# contributorsfirst
contributor
latest
contributor
index.ts
in src
27 - 2025-03-19 2025-03-21 3 1 matthewj@netflix.com matthewj@netflix.com
108 1 2025-03-19 2025-04-02 3 1 matthewj@netflix.com matthewj@netflix.com
timer.ts
in src/meter
11 1 2025-03-19 2025-03-30 2 1 matthewj@netflix.com matthewj@netflix.com
11 1 2025-03-19 2025-03-30 2 1 matthewj@netflix.com matthewj@netflix.com
file_writer.ts
in src/writer
30 1 2025-03-19 2025-03-20 2 1 matthewj@netflix.com matthewj@netflix.com
memory_writer.ts
in src/writer
39 2 2025-03-19 2025-03-20 2 1 matthewj@netflix.com matthewj@netflix.com
udp_writer.ts
in src/writer
42 1 2025-03-19 2025-03-20 2 1 matthewj@netflix.com matthewj@netflix.com
id.ts
in src/meter
88 5 2025-03-19 2025-03-20 2 1 matthewj@netflix.com matthewj@netflix.com
writer.ts
in src/writer
9 1 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
12 1 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
max_gauge.ts
in src/meter
12 1 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
12 1 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
meter.ts
in src/meter
15 2 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
age_gauge.ts
in src/meter
16 1 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
18 1 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
gauge.ts
in src/meter
18 1 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
dist_summary.ts
in src/meter
18 1 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
counter.ts
in src/meter
18 1 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
18 2 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
noop_writer.ts
in src/writer
19 1 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
stderr_writer.ts
in src/writer
20 1 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
stdout_writer.ts
in src/writer
20 1 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
24 - 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
29 3 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
logger.ts
in src/logger
31 1 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
config.ts
in src
36 1 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
new_writer.ts
in src/writer
50 2 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
Files With Most Contributors (Top 27)
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
index.ts
in src
27 - 2025-03-19 2025-03-21 3 1 matthewj@netflix.com matthewj@netflix.com
108 1 2025-03-19 2025-04-02 3 1 matthewj@netflix.com matthewj@netflix.com
11 1 2025-03-19 2025-03-30 2 1 matthewj@netflix.com matthewj@netflix.com
timer.ts
in src/meter
11 1 2025-03-19 2025-03-30 2 1 matthewj@netflix.com matthewj@netflix.com
id.ts
in src/meter
88 5 2025-03-19 2025-03-20 2 1 matthewj@netflix.com matthewj@netflix.com
udp_writer.ts
in src/writer
42 1 2025-03-19 2025-03-20 2 1 matthewj@netflix.com matthewj@netflix.com
file_writer.ts
in src/writer
30 1 2025-03-19 2025-03-20 2 1 matthewj@netflix.com matthewj@netflix.com
memory_writer.ts
in src/writer
39 2 2025-03-19 2025-03-20 2 1 matthewj@netflix.com matthewj@netflix.com
logger.ts
in src/logger
31 1 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
config.ts
in src
36 1 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
18 2 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
29 3 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
meter.ts
in src/meter
15 2 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
counter.ts
in src/meter
18 1 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
dist_summary.ts
in src/meter
18 1 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
gauge.ts
in src/meter
18 1 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
12 1 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
age_gauge.ts
in src/meter
16 1 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
max_gauge.ts
in src/meter
12 1 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
12 1 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
18 1 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
new_writer.ts
in src/writer
50 2 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
stdout_writer.ts
in src/writer
20 1 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
stderr_writer.ts
in src/writer
20 1 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
writer.ts
in src/writer
9 1 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
noop_writer.ts
in src/writer
19 1 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
24 - 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
Files With Least Contributors (Top 27)
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
108 1 2025-03-19 2025-04-02 3 1 matthewj@netflix.com matthewj@netflix.com
id.ts
in src/meter
88 5 2025-03-19 2025-03-20 2 1 matthewj@netflix.com matthewj@netflix.com
new_writer.ts
in src/writer
50 2 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
udp_writer.ts
in src/writer
42 1 2025-03-19 2025-03-20 2 1 matthewj@netflix.com matthewj@netflix.com
memory_writer.ts
in src/writer
39 2 2025-03-19 2025-03-20 2 1 matthewj@netflix.com matthewj@netflix.com
config.ts
in src
36 1 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
logger.ts
in src/logger
31 1 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
file_writer.ts
in src/writer
30 1 2025-03-19 2025-03-20 2 1 matthewj@netflix.com matthewj@netflix.com
29 3 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
index.ts
in src
27 - 2025-03-19 2025-03-21 3 1 matthewj@netflix.com matthewj@netflix.com
24 - 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
stdout_writer.ts
in src/writer
20 1 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
stderr_writer.ts
in src/writer
20 1 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
noop_writer.ts
in src/writer
19 1 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
18 2 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
counter.ts
in src/meter
18 1 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
dist_summary.ts
in src/meter
18 1 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
gauge.ts
in src/meter
18 1 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
18 1 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
age_gauge.ts
in src/meter
16 1 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
meter.ts
in src/meter
15 2 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
12 1 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
max_gauge.ts
in src/meter
12 1 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
12 1 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
11 1 2025-03-19 2025-03-30 2 1 matthewj@netflix.com matthewj@netflix.com
timer.ts
in src/meter
11 1 2025-03-19 2025-03-30 2 1 matthewj@netflix.com matthewj@netflix.com
writer.ts
in src/writer
9 1 2025-03-19 2025-03-19 1 1 matthewj@netflix.com matthewj@netflix.com
Correlations

File Size vs. Number of Changes: 27 points

src/registry.ts x: 108 lines of code y: 3 # changes src/meter/percentile_timer.ts x: 11 lines of code y: 2 # changes src/index.ts x: 27 lines of code y: 3 # changes src/meter/id.ts x: 88 lines of code y: 2 # changes src/writer/file_writer.ts x: 30 lines of code y: 2 # changes src/writer/memory_writer.ts x: 39 lines of code y: 2 # changes src/writer/udp_writer.ts x: 42 lines of code y: 2 # changes eslint.config.mjs x: 24 lines of code y: 1 # changes src/common_tags.ts x: 29 lines of code y: 1 # changes src/config.ts x: 36 lines of code y: 1 # changes src/logger/logger.ts x: 31 lines of code y: 1 # changes src/meter/age_gauge.ts x: 16 lines of code y: 1 # changes src/meter/counter.ts x: 18 lines of code y: 1 # changes src/meter/max_gauge.ts x: 12 lines of code y: 1 # changes src/meter/meter.ts x: 15 lines of code y: 1 # changes src/writer/new_writer.ts x: 50 lines of code y: 1 # changes src/writer/noop_writer.ts x: 19 lines of code y: 1 # changes src/writer/stderr_writer.ts x: 20 lines of code y: 1 # changes src/writer/writer.ts x: 9 lines of code y: 1 # changes
3.0
# changes
  min: 1.0
  average: 1.37
  25th percentile: 1.0
  median: 1.0
  75th percentile: 2.0
  max: 3.0
0 108.0
lines of code
min: 9.0 | average: 27.81 | 25th percentile: 15.0 | median: 19.0 | 75th percentile: 31.0 | max: 108.0

Number of Contributors vs. Number of Changes: 27 points

src/registry.ts x: 1 # contributors y: 3 # changes src/meter/percentile_timer.ts x: 1 # contributors y: 2 # changes eslint.config.mjs x: 1 # contributors y: 1 # changes
3.0
# changes
  min: 1.0
  average: 1.37
  25th percentile: 1.0
  median: 1.0
  75th percentile: 2.0
  max: 3.0
0 1.0
# contributors
min: 1.0 | average: 1.0 | 25th percentile: 1.0 | median: 1.0 | 75th percentile: 1.0 | max: 1.0

Number of Contributors vs. File Size: 27 points

src/registry.ts x: 1 # contributors y: 108 lines of code src/meter/percentile_timer.ts x: 1 # contributors y: 11 lines of code src/index.ts x: 1 # contributors y: 27 lines of code src/meter/id.ts x: 1 # contributors y: 88 lines of code src/writer/file_writer.ts x: 1 # contributors y: 30 lines of code src/writer/memory_writer.ts x: 1 # contributors y: 39 lines of code src/writer/udp_writer.ts x: 1 # contributors y: 42 lines of code eslint.config.mjs x: 1 # contributors y: 24 lines of code src/common_tags.ts x: 1 # contributors y: 29 lines of code src/config.ts x: 1 # contributors y: 36 lines of code src/logger/logger.ts x: 1 # contributors y: 31 lines of code src/meter/age_gauge.ts x: 1 # contributors y: 16 lines of code src/meter/counter.ts x: 1 # contributors y: 18 lines of code src/meter/max_gauge.ts x: 1 # contributors y: 12 lines of code src/meter/meter.ts x: 1 # contributors y: 15 lines of code src/writer/new_writer.ts x: 1 # contributors y: 50 lines of code src/writer/noop_writer.ts x: 1 # contributors y: 19 lines of code src/writer/stderr_writer.ts x: 1 # contributors y: 20 lines of code src/writer/writer.ts x: 1 # contributors y: 9 lines of code
108.0
lines of code
  min: 9.0
  average: 27.81
  25th percentile: 15.0
  median: 19.0
  75th percentile: 31.0
  max: 108.0
0 1.0
# contributors
min: 1.0 | average: 1.0 | 25th percentile: 1.0 | median: 1.0 | 75th percentile: 1.0 | max: 1.0