guardian/frontend-lambda
File Churn
File change frequency (churn) shows the distribution of file updates (days with at least one commit).
Overview
File Change Frequency Overall
  • There are 13 files with 467 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 (249 lines of code)
    • 7 files changed 1-5 times (218 lines of code)
0% | 0% | 0% | 53% | 46%
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 13 files with 467 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)
    • 1 file changed by 6-10 contributors (47 lines of code)
    • 10 files changed by 2-5 contributors (390 lines of code)
    • 2 files changed by 1 contributor (30 lines of code)
0% | 0% | 10% | 83% | 6%
Legend:
26+
11-25
6-10
2-5
1

explore: grouped by folders | grouped by contributors count | data
File Change Frequency per File Extension
scala, yaml, sbt, md, json, gitignore, txt, ts, xml, properties, js, snap
File Change Frequency per Extension
The number of recorded file updates
101+
51-100
21-50
6-20
1-5
scala0% | 0% | 0% | 70% | 29%
ts0% | 0% | 0% | 100% | 0%
yaml0% | 0% | 0% | 19% | 80%
xml0% | 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
facia-purger0% | 0% | 0% | 83% | 16%
cdk0% | 0% | 0% | 100% | 0%
backup-parameter-store0% | 0% | 0% | 25% | 74%
Most Frequently Changed Files (Top 13)

See data for all files...

File# lines# unitscreatedlast modified# changes
(days)		# contributorsline
churn		first
contributor		latest
contributor
Lambda.scala
in facia-purger/src/main/scala/com/gu/purge/facia
 47 3 2016-07-08 2023-09-21 19 8 +163 / -111 john.duffell 110032454+danielcliftonguar...
Config.scala
in facia-purger/src/main/scala/com/gu/purge/facia
 14 1 2016-07-08 2019-01-30 10 4 +168 / -166 john.duffell philip.mcmahon
FrontsS3PathParser.scala
in facia-purger/src/main/scala/com/gu/purge/facia
 15 2 2016-07-27 2019-01-30 8 4 +74 / -18 jonathan.soul philip.mcmahon
riff-raff.yaml
in facia-purger
 31 - 2017-06-07 2023-09-21 7 5 +60 / -6 jonathan.soul 110032454+danielcliftonguar...
wrappers.scala
in backup-parameter-store/src/main/scala/com/gu/aws
 68 3 2017-12-19 2025-11-10 7 3 +239 / -65 zvvvvt ioannakok
facia-purger.ts
in cdk/lib
 74 1 2022-08-08 2022-09-30 7 3 +175 / -13 julia.branke max.duval
cfn.yaml
in backup-parameter-store
 105 - 2017-12-19 2023-12-19 5 3 +235 / -3 zvvvvt ioannakok
riff-raff.yaml
in backup-parameter-store
 22 - 2017-12-19 2023-12-20 4 2 +50 / -2 zvvvvt ioannakok
BackupService.scala
in backup-parameter-store/src/main/scala/com/gu/backupparameterstore
 31 3 2017-12-19 2023-03-02 4 2 +74 / -2 zvvvvt 110032454+danielcliftonguar...
Lambda.scala
in backup-parameter-store/src/main/scala/com/gu/backupparameterstore
 25 3 2017-12-19 2023-09-21 3 3 +87 / -23 zvvvvt 110032454+danielcliftonguar...
Logging.scala
in facia-purger/src/main/scala/com/gu/purge/facia
 5 - 2016-07-19 2021-12-17 2 3 +16 / -2 jfsoul 9575458+ollyscoding
logback.xml
in backup-parameter-store/src/main/resources
 14 - 2025-11-07 2025-11-10 2 1 +32 / -0 ioannakok ioannakok
log4j2.xml
in facia-purger/src/main/resources
 16 - 2021-12-17 2021-12-17 1 1 +16 / -0 9575458+ollyscoding 9575458+ollyscoding
Files With Most Churn (Top 13)
Based on the number of lines added and deleted across all commits.

See data for all files...

File# lines# unitscreatedlast modified# changes
(days)		# contributorsline
churn		first
contributor		latest
contributor
Config.scala
in facia-purger/src/main/scala/com/gu/purge/facia
 14 1 2016-07-08 2019-01-30 10 4 +168 / -166 john.duffell philip.mcmahon
wrappers.scala
in backup-parameter-store/src/main/scala/com/gu/aws
 68 3 2017-12-19 2025-11-10 7 3 +239 / -65 zvvvvt ioannakok
Lambda.scala
in facia-purger/src/main/scala/com/gu/purge/facia
 47 3 2016-07-08 2023-09-21 19 8 +163 / -111 john.duffell 110032454+danielcliftonguar...
cfn.yaml
in backup-parameter-store
 105 - 2017-12-19 2023-12-19 5 3 +235 / -3 zvvvvt ioannakok
facia-purger.ts
in cdk/lib
 74 1 2022-08-08 2022-09-30 7 3 +175 / -13 julia.branke max.duval
Lambda.scala
in backup-parameter-store/src/main/scala/com/gu/backupparameterstore
 25 3 2017-12-19 2023-09-21 3 3 +87 / -23 zvvvvt 110032454+danielcliftonguar...
FrontsS3PathParser.scala
in facia-purger/src/main/scala/com/gu/purge/facia
 15 2 2016-07-27 2019-01-30 8 4 +74 / -18 jonathan.soul philip.mcmahon
BackupService.scala
in backup-parameter-store/src/main/scala/com/gu/backupparameterstore
 31 3 2017-12-19 2023-03-02 4 2 +74 / -2 zvvvvt 110032454+danielcliftonguar...
riff-raff.yaml
in facia-purger
 31 - 2017-06-07 2023-09-21 7 5 +60 / -6 jonathan.soul 110032454+danielcliftonguar...
riff-raff.yaml
in backup-parameter-store
 22 - 2017-12-19 2023-12-20 4 2 +50 / -2 zvvvvt ioannakok
logback.xml
in backup-parameter-store/src/main/resources
 14 - 2025-11-07 2025-11-10 2 1 +32 / -0 ioannakok ioannakok
Logging.scala
in facia-purger/src/main/scala/com/gu/purge/facia
 5 - 2016-07-19 2021-12-17 2 3 +16 / -2 jfsoul 9575458+ollyscoding
log4j2.xml
in facia-purger/src/main/resources
 16 - 2021-12-17 2021-12-17 1 1 +16 / -0 9575458+ollyscoding 9575458+ollyscoding
Files With Most Contributors (Top 13)
Based on the number of unique email addresses found in commits.

See data for all files...

File# lines# unitscreatedlast modified# changes
(days)		# contributorsline
churn		first
contributor		latest
contributor
Lambda.scala
in facia-purger/src/main/scala/com/gu/purge/facia
 47 3 2016-07-08 2023-09-21 19 8 +163 / -111 john.duffell 110032454+danielcliftonguar...
riff-raff.yaml
in facia-purger
 31 - 2017-06-07 2023-09-21 7 5 +60 / -6 jonathan.soul 110032454+danielcliftonguar...
Config.scala
in facia-purger/src/main/scala/com/gu/purge/facia
 14 1 2016-07-08 2019-01-30 10 4 +168 / -166 john.duffell philip.mcmahon
FrontsS3PathParser.scala
in facia-purger/src/main/scala/com/gu/purge/facia
 15 2 2016-07-27 2019-01-30 8 4 +74 / -18 jonathan.soul philip.mcmahon
facia-purger.ts
in cdk/lib
 74 1 2022-08-08 2022-09-30 7 3 +175 / -13 julia.branke max.duval
wrappers.scala
in backup-parameter-store/src/main/scala/com/gu/aws
 68 3 2017-12-19 2025-11-10 7 3 +239 / -65 zvvvvt ioannakok
cfn.yaml
in backup-parameter-store
 105 - 2017-12-19 2023-12-19 5 3 +235 / -3 zvvvvt ioannakok
Lambda.scala
in backup-parameter-store/src/main/scala/com/gu/backupparameterstore
 25 3 2017-12-19 2023-09-21 3 3 +87 / -23 zvvvvt 110032454+danielcliftonguar...
Logging.scala
in facia-purger/src/main/scala/com/gu/purge/facia
 5 - 2016-07-19 2021-12-17 2 3 +16 / -2 jfsoul 9575458+ollyscoding
riff-raff.yaml
in backup-parameter-store
 22 - 2017-12-19 2023-12-20 4 2 +50 / -2 zvvvvt ioannakok
BackupService.scala
in backup-parameter-store/src/main/scala/com/gu/backupparameterstore
 31 3 2017-12-19 2023-03-02 4 2 +74 / -2 zvvvvt 110032454+danielcliftonguar...
logback.xml
in backup-parameter-store/src/main/resources
 14 - 2025-11-07 2025-11-10 2 1 +32 / -0 ioannakok ioannakok
log4j2.xml
in facia-purger/src/main/resources
 16 - 2021-12-17 2021-12-17 1 1 +16 / -0 9575458+ollyscoding 9575458+ollyscoding
Files With Least Contributors (Top 13)
Based on the number of unique email addresses found in commits.

See data for all files...

File# lines# unitscreatedlast modified# changes
(days)		# contributorsline
churn		first
contributor		latest
contributor
log4j2.xml
in facia-purger/src/main/resources
 16 - 2021-12-17 2021-12-17 1 1 +16 / -0 9575458+ollyscoding 9575458+ollyscoding
logback.xml
in backup-parameter-store/src/main/resources
 14 - 2025-11-07 2025-11-10 2 1 +32 / -0 ioannakok ioannakok
BackupService.scala
in backup-parameter-store/src/main/scala/com/gu/backupparameterstore
 31 3 2017-12-19 2023-03-02 4 2 +74 / -2 zvvvvt 110032454+danielcliftonguar...
riff-raff.yaml
in backup-parameter-store
 22 - 2017-12-19 2023-12-20 4 2 +50 / -2 zvvvvt ioannakok
cfn.yaml
in backup-parameter-store
 105 - 2017-12-19 2023-12-19 5 3 +235 / -3 zvvvvt ioannakok
facia-purger.ts
in cdk/lib
 74 1 2022-08-08 2022-09-30 7 3 +175 / -13 julia.branke max.duval
wrappers.scala
in backup-parameter-store/src/main/scala/com/gu/aws
 68 3 2017-12-19 2025-11-10 7 3 +239 / -65 zvvvvt ioannakok
Lambda.scala
in backup-parameter-store/src/main/scala/com/gu/backupparameterstore
 25 3 2017-12-19 2023-09-21 3 3 +87 / -23 zvvvvt 110032454+danielcliftonguar...
Logging.scala
in facia-purger/src/main/scala/com/gu/purge/facia
 5 - 2016-07-19 2021-12-17 2 3 +16 / -2 jfsoul 9575458+ollyscoding
FrontsS3PathParser.scala
in facia-purger/src/main/scala/com/gu/purge/facia
 15 2 2016-07-27 2019-01-30 8 4 +74 / -18 jonathan.soul philip.mcmahon
Config.scala
in facia-purger/src/main/scala/com/gu/purge/facia
 14 1 2016-07-08 2019-01-30 10 4 +168 / -166 john.duffell philip.mcmahon
riff-raff.yaml
in facia-purger
 31 - 2017-06-07 2023-09-21 7 5 +60 / -6 jonathan.soul 110032454+danielcliftonguar...
Lambda.scala
in facia-purger/src/main/scala/com/gu/purge/facia
 47 3 2016-07-08 2023-09-21 19 8 +163 / -111 john.duffell 110032454+danielcliftonguar...
Correlations

File Size vs. Number of Changes: 13 points

backup-parameter-store/src/main/resources/logback.xml x: 14 lines of code y: 2 # changes backup-parameter-store/src/main/scala/com/gu/aws/wrappers.scala x: 68 lines of code y: 7 # changes backup-parameter-store/riff-raff.yaml x: 22 lines of code y: 4 # changes backup-parameter-store/cfn.yaml x: 105 lines of code y: 5 # changes backup-parameter-store/src/main/scala/com/gu/backupparameterstore/Lambda.scala x: 25 lines of code y: 3 # changes facia-purger/src/main/scala/com/gu/purge/facia/Lambda.scala x: 47 lines of code y: 19 # changes facia-purger/riff-raff.yaml x: 31 lines of code y: 7 # changes backup-parameter-store/src/main/scala/com/gu/backupparameterstore/BackupService.scala x: 31 lines of code y: 4 # changes cdk/lib/facia-purger.ts x: 74 lines of code y: 7 # changes facia-purger/src/main/resources/log4j2.xml x: 16 lines of code y: 1 # changes facia-purger/src/main/scala/com/gu/purge/facia/Logging.scala x: 5 lines of code y: 2 # changes facia-purger/src/main/scala/com/gu/purge/facia/Config.scala x: 14 lines of code y: 10 # changes facia-purger/src/main/scala/com/gu/purge/facia/FrontsS3PathParser.scala x: 15 lines of code y: 8 # changes
19.0
# changes
  min: 1.0
  average: 6.08
  25th percentile: 2.5
  median: 5.0
  75th percentile: 7.5
  max: 19.0
0 105.0
lines of code
min: 5.0 | average: 35.92 | 25th percentile: 14.5 | median: 25.0 | 75th percentile: 57.5 | max: 105.0

Number of Contributors vs. Number of Changes: 13 points

backup-parameter-store/src/main/resources/logback.xml x: 1 # contributors y: 2 # changes backup-parameter-store/src/main/scala/com/gu/aws/wrappers.scala x: 3 # contributors y: 7 # changes backup-parameter-store/riff-raff.yaml x: 2 # contributors y: 4 # changes backup-parameter-store/cfn.yaml x: 3 # contributors y: 5 # changes backup-parameter-store/src/main/scala/com/gu/backupparameterstore/Lambda.scala x: 3 # contributors y: 3 # changes facia-purger/src/main/scala/com/gu/purge/facia/Lambda.scala x: 8 # contributors y: 19 # changes facia-purger/riff-raff.yaml x: 5 # contributors y: 7 # changes facia-purger/src/main/resources/log4j2.xml x: 1 # contributors y: 1 # changes facia-purger/src/main/scala/com/gu/purge/facia/Logging.scala x: 3 # contributors y: 2 # changes facia-purger/src/main/scala/com/gu/purge/facia/Config.scala x: 4 # contributors y: 10 # changes facia-purger/src/main/scala/com/gu/purge/facia/FrontsS3PathParser.scala x: 4 # contributors y: 8 # changes
19.0
# changes
  min: 1.0
  average: 6.08
  25th percentile: 2.5
  median: 5.0
  75th percentile: 7.5
  max: 19.0
0 8.0
# contributors
min: 1.0 | average: 3.23 | 25th percentile: 2.0 | median: 3.0 | 75th percentile: 4.0 | max: 8.0

Number of Contributors vs. File Size: 13 points

backup-parameter-store/src/main/resources/logback.xml x: 1 # contributors y: 14 lines of code backup-parameter-store/src/main/scala/com/gu/aws/wrappers.scala x: 3 # contributors y: 68 lines of code backup-parameter-store/riff-raff.yaml x: 2 # contributors y: 22 lines of code backup-parameter-store/cfn.yaml x: 3 # contributors y: 105 lines of code backup-parameter-store/src/main/scala/com/gu/backupparameterstore/Lambda.scala x: 3 # contributors y: 25 lines of code facia-purger/src/main/scala/com/gu/purge/facia/Lambda.scala x: 8 # contributors y: 47 lines of code facia-purger/riff-raff.yaml x: 5 # contributors y: 31 lines of code backup-parameter-store/src/main/scala/com/gu/backupparameterstore/BackupService.scala x: 2 # contributors y: 31 lines of code cdk/lib/facia-purger.ts x: 3 # contributors y: 74 lines of code facia-purger/src/main/resources/log4j2.xml x: 1 # contributors y: 16 lines of code facia-purger/src/main/scala/com/gu/purge/facia/Logging.scala x: 3 # contributors y: 5 lines of code facia-purger/src/main/scala/com/gu/purge/facia/Config.scala x: 4 # contributors y: 14 lines of code facia-purger/src/main/scala/com/gu/purge/facia/FrontsS3PathParser.scala x: 4 # contributors y: 15 lines of code
105.0
lines of code
  min: 5.0
  average: 35.92
  25th percentile: 14.5
  median: 25.0
  75th percentile: 57.5
  max: 105.0
0 8.0
# contributors
min: 1.0 | average: 3.23 | 25th percentile: 2.0 | median: 3.0 | 75th percentile: 4.0 | max: 8.0

Number of Changes vs. Line Churn: 58 points

facia-purger/build.sbt x: 27 # changes y: 248 line churn backup-parameter-store/build.sbt x: 31 # changes y: 278 line churn backup-parameter-store/project/build.properties x: 13 # changes y: 26 line churn facia-purger/project/build.properties x: 8 # changes y: 15 line churn .scala-steward.conf x: 1 # changes y: 1 line churn .github/workflows/sbt-dependency-graph.yaml x: 3 # changes y: 49 line churn .github/workflows/check-labels.yaml x: 2 # changes y: 18 line churn backup-parameter-store/src/main/scala/com/gu/aws/wrappers.scala x: 7 # changes y: 304 line churn backup-parameter-store/src/test/scala/com/gu/backupparameterstore/BackupServiceTest.scala x: 6 # changes y: 94 line churn .github/workflows/snyk.yml x: 5 # changes y: 72 line churn .github/workflows/buildBackupParamaterStore.yaml x: 4 # changes y: 82 line churn backup-parameter-store/cfn.yaml x: 5 # changes y: 238 line churn cdk/package.json x: 7 # changes y: 154 line churn facia-purger/cloudformation.yaml x: 3 # changes y: 435 line churn backup-parameter-store/src/main/scala/com/gu/backupparameterstore/Lambda.scala x: 3 # changes y: 110 line churn facia-purger/src/main/scala/com/gu/purge/facia/Lambda.scala x: 19 # changes y: 274 line churn facia-purger/riff-raff.yaml x: 7 # changes y: 66 line churn .github/workflows/ci.yaml x: 8 # changes y: 142 line churn .travis.yml x: 9 # changes y: 126 line churn facia-purger/src/test/scala/com/gu/purge/facia/LambdaTest.scala x: 10 # changes y: 322 line churn cdk/lib/__snapshots__/facia-purger.test.ts.snap x: 4 # changes y: 1528 line churn cdk/package-lock.json x: 2 # changes y: 27698 line churn facia-purger/project/plugins.sbt x: 9 # changes y: 31 line churn facia-purger/cloudformation/cloudformation.yml x: 6 # changes y: 540 line churn facia-purger/src/main/scala/com/gu/purge/facia/Config.scala x: 10 # changes y: 334 line churn facia-purger/src/main/resources/deploy.json x: 5 # changes y: 180 line churn facia-purger/cloudformation/cloudformation.json x: 6 # changes y: 768 line churn facia-purger/cloudformation/cloudformation.yaml x: 2 # changes y: 268 line churn
27698.0
line churn
  min: 1.0
  average: 614.64
  25th percentile: 17.5
  median: 63.0
  75th percentile: 182.0
  max: 27698.0
0 31.0
# changes
min: 1.0 | average: 5.52 | 25th percentile: 2.0 | median: 4.0 | 75th percentile: 7.0 | max: 31.0

Number of Contributors vs. Line Churn: 13 points

backup-parameter-store/src/main/resources/logback.xml x: 1 # contributors y: 32 line churn backup-parameter-store/src/main/scala/com/gu/aws/wrappers.scala x: 3 # contributors y: 304 line churn backup-parameter-store/riff-raff.yaml x: 2 # contributors y: 52 line churn backup-parameter-store/cfn.yaml x: 3 # contributors y: 238 line churn backup-parameter-store/src/main/scala/com/gu/backupparameterstore/Lambda.scala x: 3 # contributors y: 110 line churn facia-purger/src/main/scala/com/gu/purge/facia/Lambda.scala x: 8 # contributors y: 274 line churn facia-purger/riff-raff.yaml x: 5 # contributors y: 66 line churn backup-parameter-store/src/main/scala/com/gu/backupparameterstore/BackupService.scala x: 2 # contributors y: 76 line churn cdk/lib/facia-purger.ts x: 3 # contributors y: 188 line churn facia-purger/src/main/resources/log4j2.xml x: 1 # contributors y: 16 line churn facia-purger/src/main/scala/com/gu/purge/facia/Logging.scala x: 3 # contributors y: 18 line churn facia-purger/src/main/scala/com/gu/purge/facia/Config.scala x: 4 # contributors y: 334 line churn facia-purger/src/main/scala/com/gu/purge/facia/FrontsS3PathParser.scala x: 4 # contributors y: 92 line churn
334.0
line churn
  min: 16.0
  average: 138.46
  25th percentile: 42.0
  median: 92.0
  75th percentile: 256.0
  max: 334.0
0 8.0
# contributors
min: 1.0 | average: 3.23 | 25th percentile: 2.0 | median: 3.0 | 75th percentile: 4.0 | max: 8.0

File Size vs. Line Churn: 13 points

backup-parameter-store/src/main/resources/logback.xml x: 14 lines of code y: 32 line churn backup-parameter-store/src/main/scala/com/gu/aws/wrappers.scala x: 68 lines of code y: 304 line churn backup-parameter-store/riff-raff.yaml x: 22 lines of code y: 52 line churn backup-parameter-store/cfn.yaml x: 105 lines of code y: 238 line churn backup-parameter-store/src/main/scala/com/gu/backupparameterstore/Lambda.scala x: 25 lines of code y: 110 line churn facia-purger/src/main/scala/com/gu/purge/facia/Lambda.scala x: 47 lines of code y: 274 line churn facia-purger/riff-raff.yaml x: 31 lines of code y: 66 line churn backup-parameter-store/src/main/scala/com/gu/backupparameterstore/BackupService.scala x: 31 lines of code y: 76 line churn cdk/lib/facia-purger.ts x: 74 lines of code y: 188 line churn facia-purger/src/main/resources/log4j2.xml x: 16 lines of code y: 16 line churn facia-purger/src/main/scala/com/gu/purge/facia/Logging.scala x: 5 lines of code y: 18 line churn facia-purger/src/main/scala/com/gu/purge/facia/Config.scala x: 14 lines of code y: 334 line churn facia-purger/src/main/scala/com/gu/purge/facia/FrontsS3PathParser.scala x: 15 lines of code y: 92 line churn
334.0
line churn
  min: 16.0
  average: 138.46
  25th percentile: 42.0
  median: 92.0
  75th percentile: 256.0
  max: 334.0
0 105.0
lines of code
min: 5.0 | average: 35.92 | 25th percentile: 14.5 | median: 25.0 | 75th percentile: 57.5 | max: 105.0