apache / logging-log4j-jakarta - 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 23 files with 2,119 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)
5 files changed 6-20 times (637 lines of code)
18 files changed 1-5 times (1,482 lines of code)

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 23 files with 2,119 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 (240 lines of code)
19 files changed by 2-5 contributors (1,802 lines of code)
3 files changed by 1 contributor (77 lines of code)

Legend:

26+

11-25

6-10

2-5

explore: grouped by folders | grouped by contributors count | data

File Change Frequency per File Extension

java, xml, yaml, adoc, txt, ftl, gitignore, gitattributes, sh, json, editorconfig, cmd, properties

File Change Frequency per Extension

The number of recorded file updates

101+

51-100

21-50

6-20

1-5

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

Most Frequently Changed Files (Top 23)

See data for all files...

File	# lines	# units	created	last modified	# changes (days)	# contributors	first contributor	latest contributor
Log4jWebInitializerImpl.java in log4j-jakarta-web/src/main/java/org/apache/logging/log4j/web	240	12	2021-11-16	2025-01-28	11	6	rgoers@apache.org	piotr.github@karwasz.org
ServletAppender.java in log4j-jakarta-web/src/main/java/org/apache/logging/log4j/web/appender	70	5	2021-11-16	2023-11-16	10	5	rgoers@apache.org	rmannibucau@gmail.com
WebLookup.java in log4j-jakarta-web/src/main/java/org/apache/logging/log4j/web	191	2	2021-11-16	2023-11-16	7	4	rgoers@apache.org	rmannibucau@gmail.com
Log4jShutdownOnContextDestroyedListener.java in log4j-jakarta-web/src/main/java/org/apache/logging/log4j/web	47	2	2021-11-16	2023-11-16	6	5	rgoers@apache.org	robots@logging.apache.org
Log4jServletContextListener.java in log4j-jakarta-web/src/main/java/org/apache/logging/log4j/web	89	4	2021-11-16	2023-11-16	6	5	rgoers@apache.org	piotr.github@karwasz.org
antora-playbook.yaml in root	60	-	2024-04-21	2024-06-20	5	1	volkan@yazi.ci	volkan@yazi.ci
package-info.java in log4j-jakarta-web/src/main/java/org/apache/logging/log4j/web	5	-	2021-11-16	2023-11-15	4	3	rgoers@apache.org	volkan@yazi.ci
WebLoggerContextUtils.java in log4j-jakarta-web/src/main/java/org/apache/logging/log4j/web	68	7	2021-11-16	2023-11-16	4	2	rgoers@apache.org	robots@logging.apache.org
SmtpAppender.java in log4j-jakarta-smtp/src/main/java/org/apache/logging/log4j/smtp/appender	166	19	2023-06-16	2024-04-22	4	4	piotr.github@karwasz.org	volkan@yazi.ci
JmsAppender.java in log4j-jakarta-jms/src/main/java/org/apache/logging/log4j/jms/appender	190	20	2023-11-14	2024-09-23	4	2	volkan@yazi.ci	volkan@yazi.ci
SmtpManager.java in log4j-jakarta-smtp/src/main/java/org/apache/logging/log4j/smtp/appender	355	19	2023-06-16	2024-09-23	4	4	piotr.github@karwasz.org	volkan@yazi.ci
package-info.java in log4j-jakarta-web/src/main/java/org/apache/logging/log4j/web/appender	7	-	2023-09-29	2023-11-15	3	2	piotr.github@karwasz.org	volkan@yazi.ci
ServletRequestThreadContext.java in log4j-jakarta-web/src/main/java/org/apache/logging/log4j/web	21	4	2021-11-16	2023-11-16	3	2	rgoers@apache.org	robots@logging.apache.org
Log4jServletContainerInitializer.java in log4j-jakarta-web/src/main/java/org/apache/logging/log4j/web	41	1	2021-11-16	2023-11-16	3	2	rgoers@apache.org	robots@logging.apache.org
Log4jServletFilter.java in log4j-jakarta-web/src/main/java/org/apache/logging/log4j/web	63	3	2021-11-16	2023-11-16	3	4	rgoers@apache.org	piotr.github@karwasz.org
JmsManager.java in log4j-jakarta-jms/src/main/java/org/apache/logging/log4j/jms/appender	389	35	2023-11-14	2023-11-16	3	2	volkan@yazi.ci	robots@logging.apache.org
package-info.java in log4j-jakarta-jms/src/main/java/org/apache/logging/log4j/jms/appender	5	-	2023-11-14	2023-11-15	2	1	volkan@yazi.ci	volkan@yazi.ci
package-info.java in log4j-jakarta-smtp/src/main/java/org/apache/logging/log4j/smtp	5	-	2023-10-08	2023-11-15	2	2	piotr.github@karwasz.org	volkan@yazi.ci
Log4jWebLifeCycle.java in log4j-jakarta-web/src/main/java/org/apache/logging/log4j/web	8	-	2021-11-16	2023-04-25	2	2	rgoers@apache.org	robots@logging.apache.org
web-fragment.xml in log4j-jakarta-web/src/main/resources/META-INF	14	-	2021-11-16	2023-04-25	2	2	rgoers@apache.org	robots@logging.apache.org
Log4jWebSupport.java in log4j-jakarta-web/src/main/java/org/apache/logging/log4j/web	14	-	2021-11-16	2023-04-25	2	2	rgoers@apache.org	robots@logging.apache.org
MimeMessageBuilder.java in log4j-jakarta-smtp/src/main/java/org/apache/logging/log4j/smtp	59	7	2023-06-16	2023-11-16	2	2	piotr.github@karwasz.org	robots@logging.apache.org
spotbugs-exclude.xml in root	12	-	2023-11-15	2023-11-15	1	1	volkan@yazi.ci	volkan@yazi.ci

Files With Most Contributors (Top 23)

Based on the number of unique email addresses found in commits.

See data for all files...

File	# lines	# units	created	last modified	# changes (days)	# contributors	first contributor	latest contributor
Log4jWebInitializerImpl.java in log4j-jakarta-web/src/main/java/org/apache/logging/log4j/web	240	12	2021-11-16	2025-01-28	11	6	rgoers@apache.org	piotr.github@karwasz.org
ServletAppender.java in log4j-jakarta-web/src/main/java/org/apache/logging/log4j/web/appender	70	5	2021-11-16	2023-11-16	10	5	rgoers@apache.org	rmannibucau@gmail.com
Log4jShutdownOnContextDestroyedListener.java in log4j-jakarta-web/src/main/java/org/apache/logging/log4j/web	47	2	2021-11-16	2023-11-16	6	5	rgoers@apache.org	robots@logging.apache.org
Log4jServletContextListener.java in log4j-jakarta-web/src/main/java/org/apache/logging/log4j/web	89	4	2021-11-16	2023-11-16	6	5	rgoers@apache.org	piotr.github@karwasz.org
WebLookup.java in log4j-jakarta-web/src/main/java/org/apache/logging/log4j/web	191	2	2021-11-16	2023-11-16	7	4	rgoers@apache.org	rmannibucau@gmail.com
SmtpManager.java in log4j-jakarta-smtp/src/main/java/org/apache/logging/log4j/smtp/appender	355	19	2023-06-16	2024-09-23	4	4	piotr.github@karwasz.org	volkan@yazi.ci
SmtpAppender.java in log4j-jakarta-smtp/src/main/java/org/apache/logging/log4j/smtp/appender	166	19	2023-06-16	2024-04-22	4	4	piotr.github@karwasz.org	volkan@yazi.ci
Log4jServletFilter.java in log4j-jakarta-web/src/main/java/org/apache/logging/log4j/web	63	3	2021-11-16	2023-11-16	3	4	rgoers@apache.org	piotr.github@karwasz.org
package-info.java in log4j-jakarta-web/src/main/java/org/apache/logging/log4j/web	5	-	2021-11-16	2023-11-15	4	3	rgoers@apache.org	volkan@yazi.ci
JmsAppender.java in log4j-jakarta-jms/src/main/java/org/apache/logging/log4j/jms/appender	190	20	2023-11-14	2024-09-23	4	2	volkan@yazi.ci	volkan@yazi.ci
WebLoggerContextUtils.java in log4j-jakarta-web/src/main/java/org/apache/logging/log4j/web	68	7	2021-11-16	2023-11-16	4	2	rgoers@apache.org	robots@logging.apache.org
JmsManager.java in log4j-jakarta-jms/src/main/java/org/apache/logging/log4j/jms/appender	389	35	2023-11-14	2023-11-16	3	2	volkan@yazi.ci	robots@logging.apache.org
Log4jServletContainerInitializer.java in log4j-jakarta-web/src/main/java/org/apache/logging/log4j/web	41	1	2021-11-16	2023-11-16	3	2	rgoers@apache.org	robots@logging.apache.org
package-info.java in log4j-jakarta-web/src/main/java/org/apache/logging/log4j/web/appender	7	-	2023-09-29	2023-11-15	3	2	piotr.github@karwasz.org	volkan@yazi.ci
ServletRequestThreadContext.java in log4j-jakarta-web/src/main/java/org/apache/logging/log4j/web	21	4	2021-11-16	2023-11-16	3	2	rgoers@apache.org	robots@logging.apache.org
MimeMessageBuilder.java in log4j-jakarta-smtp/src/main/java/org/apache/logging/log4j/smtp	59	7	2023-06-16	2023-11-16	2	2	piotr.github@karwasz.org	robots@logging.apache.org
package-info.java in log4j-jakarta-smtp/src/main/java/org/apache/logging/log4j/smtp	5	-	2023-10-08	2023-11-15	2	2	piotr.github@karwasz.org	volkan@yazi.ci
Log4jWebSupport.java in log4j-jakarta-web/src/main/java/org/apache/logging/log4j/web	14	-	2021-11-16	2023-04-25	2	2	rgoers@apache.org	robots@logging.apache.org
Log4jWebLifeCycle.java in log4j-jakarta-web/src/main/java/org/apache/logging/log4j/web	8	-	2021-11-16	2023-04-25	2	2	rgoers@apache.org	robots@logging.apache.org
web-fragment.xml in log4j-jakarta-web/src/main/resources/META-INF	14	-	2021-11-16	2023-04-25	2	2	rgoers@apache.org	robots@logging.apache.org
antora-playbook.yaml in root	60	-	2024-04-21	2024-06-20	5	1	volkan@yazi.ci	volkan@yazi.ci
package-info.java in log4j-jakarta-jms/src/main/java/org/apache/logging/log4j/jms/appender	5	-	2023-11-14	2023-11-15	2	1	volkan@yazi.ci	volkan@yazi.ci
spotbugs-exclude.xml in root	12	-	2023-11-15	2023-11-15	1	1	volkan@yazi.ci	volkan@yazi.ci

Files With Least Contributors (Top 23)

Based on the number of unique email addresses found in commits.

See data for all files...

File	# lines	# units	created	last modified	# changes (days)	# contributors	first contributor	latest contributor
antora-playbook.yaml in root	60	-	2024-04-21	2024-06-20	5	1	volkan@yazi.ci	volkan@yazi.ci
spotbugs-exclude.xml in root	12	-	2023-11-15	2023-11-15	1	1	volkan@yazi.ci	volkan@yazi.ci
package-info.java in log4j-jakarta-jms/src/main/java/org/apache/logging/log4j/jms/appender	5	-	2023-11-14	2023-11-15	2	1	volkan@yazi.ci	volkan@yazi.ci
JmsManager.java in log4j-jakarta-jms/src/main/java/org/apache/logging/log4j/jms/appender	389	35	2023-11-14	2023-11-16	3	2	volkan@yazi.ci	robots@logging.apache.org
JmsAppender.java in log4j-jakarta-jms/src/main/java/org/apache/logging/log4j/jms/appender	190	20	2023-11-14	2024-09-23	4	2	volkan@yazi.ci	volkan@yazi.ci
WebLoggerContextUtils.java in log4j-jakarta-web/src/main/java/org/apache/logging/log4j/web	68	7	2021-11-16	2023-11-16	4	2	rgoers@apache.org	robots@logging.apache.org
MimeMessageBuilder.java in log4j-jakarta-smtp/src/main/java/org/apache/logging/log4j/smtp	59	7	2023-06-16	2023-11-16	2	2	piotr.github@karwasz.org	robots@logging.apache.org
Log4jServletContainerInitializer.java in log4j-jakarta-web/src/main/java/org/apache/logging/log4j/web	41	1	2021-11-16	2023-11-16	3	2	rgoers@apache.org	robots@logging.apache.org
ServletRequestThreadContext.java in log4j-jakarta-web/src/main/java/org/apache/logging/log4j/web	21	4	2021-11-16	2023-11-16	3	2	rgoers@apache.org	robots@logging.apache.org
Log4jWebSupport.java in log4j-jakarta-web/src/main/java/org/apache/logging/log4j/web	14	-	2021-11-16	2023-04-25	2	2	rgoers@apache.org	robots@logging.apache.org
web-fragment.xml in log4j-jakarta-web/src/main/resources/META-INF	14	-	2021-11-16	2023-04-25	2	2	rgoers@apache.org	robots@logging.apache.org
Log4jWebLifeCycle.java in log4j-jakarta-web/src/main/java/org/apache/logging/log4j/web	8	-	2021-11-16	2023-04-25	2	2	rgoers@apache.org	robots@logging.apache.org
package-info.java in log4j-jakarta-web/src/main/java/org/apache/logging/log4j/web/appender	7	-	2023-09-29	2023-11-15	3	2	piotr.github@karwasz.org	volkan@yazi.ci
package-info.java in log4j-jakarta-smtp/src/main/java/org/apache/logging/log4j/smtp	5	-	2023-10-08	2023-11-15	2	2	piotr.github@karwasz.org	volkan@yazi.ci
package-info.java in log4j-jakarta-web/src/main/java/org/apache/logging/log4j/web	5	-	2021-11-16	2023-11-15	4	3	rgoers@apache.org	volkan@yazi.ci
SmtpManager.java in log4j-jakarta-smtp/src/main/java/org/apache/logging/log4j/smtp/appender	355	19	2023-06-16	2024-09-23	4	4	piotr.github@karwasz.org	volkan@yazi.ci
WebLookup.java in log4j-jakarta-web/src/main/java/org/apache/logging/log4j/web	191	2	2021-11-16	2023-11-16	7	4	rgoers@apache.org	rmannibucau@gmail.com
SmtpAppender.java in log4j-jakarta-smtp/src/main/java/org/apache/logging/log4j/smtp/appender	166	19	2023-06-16	2024-04-22	4	4	piotr.github@karwasz.org	volkan@yazi.ci
Log4jServletFilter.java in log4j-jakarta-web/src/main/java/org/apache/logging/log4j/web	63	3	2021-11-16	2023-11-16	3	4	rgoers@apache.org	piotr.github@karwasz.org
Log4jServletContextListener.java in log4j-jakarta-web/src/main/java/org/apache/logging/log4j/web	89	4	2021-11-16	2023-11-16	6	5	rgoers@apache.org	piotr.github@karwasz.org
ServletAppender.java in log4j-jakarta-web/src/main/java/org/apache/logging/log4j/web/appender	70	5	2021-11-16	2023-11-16	10	5	rgoers@apache.org	rmannibucau@gmail.com
Log4jShutdownOnContextDestroyedListener.java in log4j-jakarta-web/src/main/java/org/apache/logging/log4j/web	47	2	2021-11-16	2023-11-16	6	5	rgoers@apache.org	robots@logging.apache.org
Log4jWebInitializerImpl.java in log4j-jakarta-web/src/main/java/org/apache/logging/log4j/web	240	12	2021-11-16	2025-01-28	11	6	rgoers@apache.org	piotr.github@karwasz.org

Correlations

File Size vs. Number of Changes: 23 points

		11.0	# changes min: 1.0 average: 4.04 25th percentile: 2.0 median: 3.0 75th percentile: 5.0 max: 11.0
0	389.0
lines of code min: 5.0 \| average: 92.13 \| 25th percentile: 12.0 \| median: 59.0 \| 75th percentile: 166.0 \| max: 389.0

Number of Contributors vs. Number of Changes: 23 points

		11.0	# changes min: 1.0 average: 4.04 25th percentile: 2.0 median: 3.0 75th percentile: 5.0 max: 11.0
0	6.0
# contributors min: 1.0 \| average: 2.83 \| 25th percentile: 2.0 \| median: 2.0 \| 75th percentile: 4.0 \| max: 6.0

Number of Contributors vs. File Size: 23 points

		389.0	lines of code min: 5.0 average: 92.13 25th percentile: 12.0 median: 59.0 75th percentile: 166.0 max: 389.0
0	6.0
# contributors min: 1.0 \| average: 2.83 \| 25th percentile: 2.0 \| median: 2.0 \| 75th percentile: 4.0 \| max: 6.0