File age measurements show the distribution of file ages (days since the first commit) and the recency of file updates (days since the latest commit).

Summary

Number of files: 11891
Daily file updates (only one update per file and date counted): 57743
First update: 2000-07-31
Latest update: 2017-06-23
Days between first and latest update: 6172 (881 weeks, estimated 4405 working days)
Active days (at least one file change): 5788
Data:

Organized per file

File Change History Overall

File Age Distribution Overall

Days since first update

There are 11,891 files with 2,240,284 lines of code in files.

11,891 files that are 366+ days old (2,240,284 lines of code)
0 files that are 181-365 days old (0 lines of code)
0 files that are 91-180 days old (0 lines of code)
0 files that are 31-90 days old (0 lines of code)
0 files that are 1-30 days old (0 lines of code)

Legend:

366+

181-365

91-180

31-90

1-30

explore: zoomable circles

Latest Change Distribution Overall

Days since last update

There are 11,891 files with 2,240,284 lines of code in files.

11,891 files have been last changed 366+ days ago (2,240,284 lines of code)
0 files have been last changed 181-365 days ago (0 lines of code)
0 files have been last changed 91-180 days ago (0 lines of code)
0 files have been last changed 31-90 days ago (0 lines of code)
0 files have been last changed 1-30 days ago (0 lines of code)

Legend:

366+

181-365

91-180

31-90

1-30

explore: zoomable circles

File Change History per File Extension

js, h, cc, inc, cpp, java, hpp, css, c, txt, less, in, t, sh, cmake, html, pp, sql, pl, xml, json, properties, py, ctl, md, proto, pm, ini, frm, cfg, dsp, bat, gitignore, php, clang-format, yy, as, g, l, plist, svg, y, gitattributes, xsl, yml, awk, vim, m4, i, r, x, mysql, yaml, el, trg, wxs, gitmodules

File Age Distribution per Extension

Days since first update

366+

181-365

91-180

31-90

1-30

Latest Change Distribution per Extension

Days since last update

366+

181-365

91-180

31-90

1-30

File Change History per Logical Decomposition

primary

primary (file age distribution)

Days since first update

366+

181-365

91-180

31-90

1-30

primary (latest change distribution)

Days since last update

366+

181-365

91-180

31-90

1-30

Oldest Files (Top 50)

File	# lines	# units	last modified (days ago)	created (days ago)	# changes	# contributors
handler.cc in sql	5271	193	1788	7928	2122	190
table.cc in sql	4911	141	1778	7928	1960	185
item_cmpfunc.cc in sql	4874	219	1778	7928	1758	165
mysql.cc in client	4859	55	1789	7928	1626	169
item_sum.cc in sql	4814	204	1764	7928	1345	149
sql_parse.cc in sql	4803	58	1778	7928	2945	206
sql_show.cc in sql	4603	75	1778	7928	2224	186
item_strfunc.cc in sql	4031	90	1777	7928	1602	162
item.h in sql	3456	424	1778	7928	1828	161
sql_lex.cc in sql	3195	105	1778	7928	1813	175
sql_select.cc in sql	3120	54	1778	7928	2776	192
field.h in sql	3007	402	1778	7928	1456	160
item_timefunc.cc in sql	2695	111	1757	7928	1093	139
sql_cache.cc in sql	2617	67	1809	7928	1109	144
item_func.h in sql	2587	238	1757	7928	1339	150
sql_lex.h in sql	2081	131	1778	7928	1892	177
handler.h in sql	1948	152	1757	7928	1734	173
log_event.h in sql	1916	121	1789	7928	1311	152
sql_class.cc in sql	1903	105	1778	7928	2312	204
filesort.cc in sql	1879	29	1778	7928	990	138
sql_class.h in sql	1821	127	1778	7928	2438	207
sql_insert.cc in sql	1808	31	1794	7928	1820	180
sql_update.cc in sql	1790	22	1778	7928	1646	178
sql_load.cc in sql	1662	14	1788	7928	1170	148
table.h in sql	1642	109	1778	7928	1527	168
log.cc in sql	1617	51	1780	7928	1720	175
item_cmpfunc.h in sql	1595	169	1793	7928	1095	131
item_create.cc in sql	1546	5	1757	7928	845	123
item_sum.h in sql	1499	163	1764	7928	795	123
item_timefunc.h in sql	1421	152	1757	7928	725	119
dbug.c in dbug	1272	42	1802	7928	495	97
item_strfunc.h in sql	1236	52	1814	7928	892	126
user.r in dbug	1131	-	2481	7928	57	28
sql_delete.cc in sql	929	14	1802	7928	1345	151
sql_db.cc in sql	876	15	1806	7928	1167	143
field_conv.cc in sql	806	42	1778	7928	571	104
udf_example.cc in sql	769	24	1814	7928	146	33
lex.h in sql	749	-	1778	7928	880	109
my_sys.h in include	723	3	1788	7928	1282	159
hostname.cc in sql	689	17	1806	7928	321	80
lock.cc in sql	656	19	1814	7928	800	120
sql_udf.cc in sql	643	13	1792	7928	647	115
sql_list.h in sql	640	61	1778	7928	407	94
opt_sum.cc in sql	607	9	1778	7928	665	118
opt_range.h in sql	555	73	1814	7928	594	106
m_ctype.h in include	543	2	1814	7928	644	108
sql_select.h in sql	542	22	1802	7928	1116	136
mysql.h in include	495	-	1814	7928	745	105
records.cc in sql	494	18	1814	7928	519	111
dbug_analyze.c in dbug	413	10	1814	7928	92	35

Files Not Recently Changed (Top 50)

File	# lines	# units	last modified (days ago)	created (days ago)	# changes	# contributors
ps_renew.inc in mysql-test/include	26	-	6369	6497	13	1
example1.c in dbug	7	-	6364	7928	3	1
example2.c in dbug	10	-	6364	7928	3	1
example3.c in dbug	11	-	6364	7928	3	1
main.c in dbug	23	1	6364	7928	6	1
ctype_filesort.inc in mysql-test/include	5	-	6255	6301	7	1
endspace.inc in mysql-test/include	7	-	6255	6344	7	1
ps_modify1.inc in mysql-test/include	57	-	6255	6497	29	1
dummy.cpp in extra/yassl/src	1	-	6156	6174	6	1
ctype_innodb_like.inc in mysql-test/include	11	-	6113	6127	2	1
mysql_delimiter_source.sql in mysql-test/t	8	-	6065	6093	5	1
safe_set_to_maybe_ro_var.inc in mysql-test/include	6	-	5650	5691	6	1
rpl_multi_engine3.inc in mysql-test/include	42	-	5650	5891	17	1
rpl_mixed_clear_tables.inc in mysql-test/suite/rpl/include	2	-	5538	5547	6	1
rpl_mixed_show_binlog_format.inc in mysql-test/suite/rpl/include	3	-	5538	5547	6	1
rpl_mixed_check_db.inc in mysql-test/suite/rpl/include	6	-	5538	5547	6	1
rpl_mixed_check_event.inc in mysql-test/suite/rpl/include	9	-	5538	5547	6	1
rpl_mixed_check_table.inc in mysql-test/suite/rpl/include	9	-	5538	5547	6	1
show_connection.inc in mysql-test/suite/funcs_1/include	3	-	5532	5547	8	1
fv_if1.inc in mysql-test/suite/funcs_1/views	4	-	5532	5547	8	1
fv_ifnull.inc in mysql-test/suite/funcs_1/views	4	-	5532	5547	8	1
fv_if2.inc in mysql-test/suite/funcs_1/views	4	-	5532	5547	8	1
fv_cast.inc in mysql-test/suite/funcs_1/views	4	-	5532	5547	8	1
fv2.inc in mysql-test/suite/funcs_1/views	4	-	5532	5547	8	1
fv1.inc in mysql-test/suite/funcs_1/views	4	-	5532	5547	8	1
check_charset_utf8.inc in mysql-test/suite/funcs_2/include	17	-	5532	5547	8	1
check_charset_ucs2.inc in mysql-test/suite/funcs_2/include	19	-	5532	5547	8	1
gen_charset_utf8.pl in mysql-test/suite/funcs_2/lib	46	1	5532	5547	8	1
DataGen_local.pl in mysql-test/suite/funcs_1/lib	545	17	5532	5547	8	1
DataGen_modify.pl in mysql-test/suite/funcs_1/lib	1816	32	5532	5547	8	1
part_supported_sql_funcs_int_float.inc in mysql-test/std_data/parts	4	-	5294	5345	5	1
part_supported_sql_funcs_int_time.inc in mysql-test/std_data/parts	4	-	5294	5345	5	1
uses_vardir.inc in mysql-test/include	4	-	5294	5426	6	1
ddl_i18n.check_events.inc in mysql-test/include	31	-	5294	5405	3	1
innodb_trx_weight.inc in mysql-test/include	40	-	5294	5393	5	1
partition_blocked_sql_funcs.inc in mysql-test/suite/parts/inc	106	-	5294	5464	9	1
ddl1.inc in mysql-test/suite/stress/include	128	-	5294	5390	8	1
tpcb.inc in mysql-test/include	137	-	5294	5475	19	1
tpcb_disk_data.inc in mysql-test/include	147	-	5294	5426	7	1
ddl5.inc in mysql-test/suite/stress/include	188	-	5294	5390	8	1
ddl2.inc in mysql-test/suite/stress/include	219	-	5294	5390	8	1
ddl6.inc in mysql-test/suite/stress/include	224	-	5294	5390	8	1
ddl7.inc in mysql-test/suite/stress/include	232	-	5294	5390	8	1
ddl8.inc in mysql-test/suite/stress/include	260	-	5294	5390	8	1
ddl4.inc in mysql-test/suite/stress/include	297	-	5294	5390	8	1
windows.inc in mysql-test/include	4	-	5239	6070	19	1
partition_cleanup.inc in mysql-test/suite/parts/inc	7	-	5236	5464	9	1
rpl_mixed_check_view.inc in mysql-test/suite/rpl/include	9	-	5236	5547	15	1
rpl_mixed_check_select.inc in mysql-test/suite/rpl/include	13	-	5236	5547	15	1
partition_20.inc in mysql-test/suite/parts/inc	15	-	5236	5464	9	1

Most Recently Created Files (Top 50)

File	# lines	# units	last modified (days ago)	created (days ago)	# changes	# contributors
within.cc in sql/gis	1127	105	1778	1778	1	1
window.cc in sql	1097	34	1778	1778	1	1
touches.cc in sql/gis	1006	94	1778	1778	1	1
get_turn_info.hpp in include/boost_1_64_0/patches/boost/geometry/algorithms/detail/overlay	788	23	1778	1778	1	1
pfs_plugin_table.cc in storage/perfschema	738	-	1776	1778	2	2
overlaps.cc in sql/gis	596	94	1778	1778	1	1
item_json_func-t.cc in unittest/gunit	571	4	1778	1778	1	1
equals.cc in sql/gis	558	94	1778	1778	1	1
disjoint.cc in sql/gis	491	94	1778	1778	1	1
intersects.cc in sql/gis	489	94	1778	1778	1	1
crosses.cc in sql/gis	478	66	1778	1778	1	1
window_std_var.inc in mysql-test/include	463	-	1778	1778	1	1
window.h in sql	404	53	1778	1778	1	1
pfs_example_country.cc in components/pfs_component	394	-	1778	1778	1	1
pfs_example_employee_name.cc in plugin/pfs_table_plugin	365	2	1778	1778	1	1
pfs_example_employee_salary.cc in plugin/pfs_table_plugin	272	3	1778	1778	1	1
pfs_example_machine.cc in plugin/pfs_table_plugin	267	3	1778	1778	1	1
stub_pfs_plugin_table.h in storage/perfschema/unittest	261	-	1778	1778	1	1
pfs_plugin_table_service.h in include/mysql/components/services	249	-	1759	1778	2	2
pfs_example_plugin_employee.cc in plugin/pfs_table_plugin	248	-	1778	1778	1	1
pfs_example_continent.cc in components/pfs_component	225	1	1778	1778	1	1
mbr_utils.cc in sql/gis	202	9	1778	1778	1	1
within_functor.h in sql/gis	202	-	1778	1778	1	1
segment_ratio.hpp in include/boost_1_64_0/patches/boost/geometry/policies/robustness	196	20	1778	1778	1	1
pfs_example_machines_by_emp_by_mtype.cc in plugin/pfs_table_plugin	191	3	1778	1778	1	1
json_diff.cc in sql	189	2	1778	1778	1	1
topology_check.hpp in include/boost_1_64_0/patches/boost/geometry/algorithms/detail/relate	186	5	1778	1778	1	1
touches_functor.h in sql/gis	178	2	1778	1778	1	1
intersects_functor.h in sql/gis	176	-	1778	1778	1	1
overlaps_functor.h in sql/gis	174	2	1778	1778	1	1
disjoint_functor.h in sql/gis	174	-	1778	1778	1	1
equals_functor.h in sql/gis	174	2	1778	1778	1	1
pfs_example_component_population.cc in components/pfs_component	157	-	1778	1778	1	1
gc_utils.cc in sql/gis	139	4	1778	1778	1	1
pfs_example_employee_name.h in plugin/pfs_table_plugin	136	1	1778	1778	1	1
table_plugin_table.cc in storage/perfschema	134	-	1778	1778	1	1
pfs_example_country.h in components/pfs_component	133	1	1778	1778	1	1
crosses_functor.h in sql/gis	130	2	1778	1778	1	1
gis_relops-t.cc in unittest/gunit	125	2	1778	1778	1	1
difference.cc in sql/gis	123	-	1778	1778	1	1
pfs_example_continent.h in components/pfs_component	122	1	1778	1778	1	1
pfs_example_machines_by_emp_by_mtype.h in plugin/pfs_table_plugin	118	-	1778	1778	1	1
pfs_example_machine.h in plugin/pfs_table_plugin	111	-	1778	1778	1	1
pfs_example_employee_salary.h in plugin/pfs_table_plugin	107	-	1778	1778	1	1
covered_by.cc in sql/gis	80	6	1778	1778	1	1
table_plugin_table.h in storage/perfschema	68	-	1778	1778	1	1
box_traits.h in sql/gis	66	8	1778	1778	1	1
difference_functor.h in sql/gis	52	-	1778	1778	1	1
union.cc in sql/gis	50	-	1778	1778	1	1
relops.h in sql/gis	49	-	1778	1778	1	1

Most Recently Changed Files (Top 50)

File	# lines	# units	last modified (days ago)	created (days ago)	# changes	# contributors
dict0dict.cc in storage/innobase/dict	5053	1	1757	3888	564	74
row0sel.cc in storage/innobase/row	3960	7	1757	3888	447	70
item_timefunc.cc in sql	2695	111	1757	7928	1093	139
item_func.h in sql	2587	238	1757	7928	1339	150
dict0stats.cc in storage/innobase/dict	2393	9	1757	3888	407	64
handler.h in sql	1948	152	1757	7928	1734	173
item_create.cc in sql	1546	5	1757	7928	845	123
item_timefunc.h in sql	1421	152	1757	7928	725	119
dict0dict.h in storage/innobase/include	972	3	1757	6197	576	111
stats.cc in sql/dd/info_schema	533	9	1757	2072	11	8
row0sel.h in storage/innobase/include	216	-	1757	6197	192	58
stats.h in sql/dd/info_schema	144	10	1757	2072	10	7
dd_info_schema_native_func-t.cc in unittest/gunit	126	2	1757	1981	10	5
tables.cc in sql/dd/impl/system_views	117	-	1757	1819	4	3
dict0stats.h in storage/innobase/include	106	-	1757	4378	147	50
log_builtins.cc in components/mysql_server	1607	42	1759	1813	5	2
ndb_lib_move_data.cpp in storage/ndb/tools	976	-	1759	3117	26	19
dynamic_loader.cc in components/mysql_server	723	22	1759	2144	15	7
registry.cc in components/mysql_server	420	11	1759	2144	8	7
log_sink_syseventlog.cc in components/logging	419	7	1759	1813	6	3
persistent_dynamic_loader.cc in sql/server_component	381	7	1759	1842	9	7
registry-t.cc in unittest/gunit/components/mysql_server	370	5	1759	2144	15	9
dynamic_loader-t.cc in unittest/gunit/components/mysql_server	360	5	1759	2144	16	10
mysql_string_service.cc in sql/server_component	354	1	1759	1842	5	4
server_component.cc in components/mysql_server	337	4	1759	2144	20	12
ndb_move_data.cpp in storage/ndb/tools	322	1	1759	3117	20	16
log_sink_json.cc in components/logging	290	2	1759	1813	6	3
pfs_plugin_table_service.h in include/mysql/components/services	249	-	1759	1778	2	2
dynamic_privilege_table.cc in sql/auth	176	4	1759	1868	5	4
dynamic_loader_scheme_file.cc in components/mysql_server	155	5	1759	2144	11	6
ndb_lib_move_data.hpp in storage/ndb/tools	139	-	1759	3117	19	15
log_builtins_imp.h in components/mysql_server	121	-	1759	1813	5	2
dynamic_privileges_impl.cc in sql/auth	121	1	1759	1868	7	6
registry_metadata.cc.inc in components/mysql_server	111	-	1759	2144	3	3
AllocNodeId.cpp in storage/ndb/src/common/debugger/signaldata	106	-	1759	2879	13	10
CountingPool.hpp in storage/ndb/src/kernel/vm	98	12	1759	3740	29	15
dynamic_loader.h in components/mysql_server	92	-	1759	2144	4	4
dynamic_loader_path_filter.cc in components/mysql_server	78	-	1759	2144	9	5
my_metadata.cc in components/mysql_server	78	5	1759	2144	5	5
dynamic_loader.h in include/mysql/components/services	72	-	1759	2144	4	4
my_service.h in include/mysql/components	67	3	1759	2144	3	3
component_implementation.h in include/mysql/components	65	-	1759	2144	10	7
registry.h in components/mysql_server	63	-	1759	2144	4	4
mysql_component.cc in components/mysql_server	56	-	1759	2144	5	5
registry.h in include/mysql/components/services	55	-	1759	2144	4	4
mysql_string.h in include/mysql/components/services	55	-	1759	1842	4	4
udf_registration_types.h in include/mysql	51	-	1759	1792	2	2
mysql_string_service.h in components/mysql_server	50	-	1759	1842	4	4
dynamic_privilege_table.h in sql/auth	45	1	1759	1868	6	5
example_component1.cc in components/example	41	2	1759	2144	4	4