Apache Kafka: Activity

Year	Commits (% of all)	Lines added	Lines removed
2026	1,708 (9.2%)	363,146	139,833
2025	2,182 (11.8%)	365,835	235,707
2024	2,451 (13.2%)	430,877	262,316
2023	1,474 (8.0%)	359,259	112,509
2022	1,069 (5.8%)	181,828	72,412
2021	1,280 (6.9%)	252,846	108,901
2020	1,405 (7.6%)	264,211	109,521
2019	1,219 (6.6%)	235,474	88,177
2018	1,207 (6.5%)	192,997	108,108
2017	1,508 (8.1%)	315,043	127,358
2016	1,150 (6.2%)	146,092	61,289
2015	761 (4.1%)	149,897	83,336
2014	343 (1.9%)	53,653	20,553
2013	350 (1.9%)	18,996	9,179
2012	286 (1.5%)	48,943	41,181
2011	116 (0.6%)	103,461	51,372

Month	Commits	Lines added	Lines removed
2026-10	147	26,869	9,743
2026-09	212	37,734	17,123
2026-08	171	32,588	16,918
2026-07	201	53,641	10,578
2026-06	200	51,285	14,306
2026-05	153	32,846	16,978
2026-04	167	27,076	13,611
2026-03	226	59,071	22,261
2026-02	123	27,314	9,033
2026-01	108	14,722	9,282
2025-12	107	43,852	36,097
2025-11	177	25,129	7,991
2025-10	127	14,840	5,722
2025-09	137	15,013	7,173
2025-08	109	14,759	10,288
2025-07	142	21,871	12,251
2025-06	173	27,898	15,174
2025-05	201	31,199	17,297
2025-04	223	40,768	21,038
2025-03	207	35,696	35,369
2025-02	236	50,221	23,521
2025-01	343	44,589	43,786
2024-12	269	36,677	25,711
2024-11	246	35,752	24,621
2024-10	258	38,712	30,213
2024-09	216	31,562	36,246
2024-08	223	42,987	23,308
2024-07	194	49,196	12,674
2024-06	268	72,361	38,893
2024-05	229	48,932	24,975
2024-04	155	18,077	11,123
2024-03	137	20,588	15,155
2024-02	109	17,814	10,474
2024-01	147	18,219	8,923
2023-12	189	39,605	11,345
2023-11	125	41,682	11,573
2023-10	132	39,284	14,838
2023-09	116	28,716	8,565
2023-08	135	34,596	9,981
2023-07	132	36,456	8,410
2023-06	126	20,153	6,299
2023-05	93	25,263	5,675
2023-04	124	29,897	7,612
2023-03	120	22,322	10,694
2023-02	102	25,470	9,890
2023-01	80	15,815	7,627
2022-12	133	26,487	10,123
2022-11	72	10,593	5,929
2022-10	69	9,414	3,708
2022-09	92	7,185	3,834
2022-08	98	12,194	5,583
2022-07	80	10,411	5,030
2022-06	92	24,293	7,062
2022-05	88	22,355	8,393
2022-04	79	12,315	4,379
2022-03	122	19,856	5,795
2022-02	86	13,689	9,319
2022-01	58	13,036	3,257
2021-12	41	10,268	3,244
2021-11	65	9,988	4,288
2021-10	45	11,612	1,551
2021-09	75	10,073	4,514
2021-08	68	9,564	2,988
2021-07	164	41,653	14,758
2021-06	117	20,040	12,268
2021-05	115	17,197	9,082
2021-04	118	22,462	13,522
2021-03	155	24,401	14,150
2021-02	159	45,529	9,896
2021-01	158	30,059	18,640
2020-12	106	20,913	9,622
2020-11	90	15,206	8,282
2020-10	144	23,420	8,112
2020-09	93	33,072	5,912
2020-08	61	16,378	4,697
2020-07	103	15,675	3,666
2020-06	137	18,188	8,666
2020-05	143	27,417	8,444
2020-04	151	23,042	14,011
2020-03	144	24,426	9,937
2020-02	123	25,061	17,155
2020-01	110	21,413	11,017
2019-12	74	11,382	3,834
2019-11	98	11,002	4,673
2019-10	146	45,528	12,469
2019-09	85	23,690	7,552
2019-08	81	13,190	6,330
2019-07	82	12,631	5,815
2019-06	97	12,931	7,574
2019-05	158	35,329	14,461
2019-04	86	16,999	5,264
2019-03	108	14,898	6,984
2019-02	99	11,538	6,437
2019-01	105	26,356	6,784
2018-12	54	6,409	3,603
2018-11	70	7,090	3,766
2018-10	110	17,591	7,598
2018-09	76	12,242	5,303
2018-08	122	17,767	8,903
2018-07	67	5,899	3,852
2018-06	152	19,430	26,088
2018-05	116	29,485	24,358
2018-04	103	25,488	9,429
2018-03	104	10,830	4,275
2018-02	121	14,160	5,028
2018-01	112	26,606	5,905
2017-12	58	16,938	8,280
2017-11	78	15,116	7,194
2017-10	131	15,983	8,138
2017-09	161	35,879	13,175
2017-08	114	23,542	10,360
2017-07	95	23,380	8,886
2017-06	211	21,264	7,195
2017-05	194	55,007	17,853
2017-04	96	26,349	8,403
2017-03	107	18,490	7,158
2017-02	108	20,578	16,317
2017-01	155	42,517	14,399
2016-12	88	19,289	12,145
2016-11	69	6,141	4,004
2016-10	88	7,859	3,995
2016-09	106	20,813	6,043
2016-08	88	10,865	4,655
2016-07	75	8,658	2,809
2016-06	77	7,111	2,441
2016-05	119	6,979	2,050
2016-04	104	18,544	7,094
2016-03	136	13,367	5,903
2016-02	100	14,593	4,579
2016-01	100	11,873	5,571
2015-12	82	10,164	4,867
2015-11	178	19,116	11,166
2015-10	125	37,852	37,855
2015-09	57	20,631	3,277
2015-08	59	24,661	7,340
2015-07	50	7,608	1,888
2015-06	32	4,150	2,679
2015-05	24	2,826	1,164
2015-04	54	5,602	3,592
2015-03	30	6,398	2,628
2015-02	34	4,737	4,272
2015-01	36	6,152	2,608
2014-12	18	2,328	574
2014-11	21	1,563	598
2014-10	37	2,863	1,723
2014-09	27	864	2,557
2014-08	24	2,177	1,066
2014-07	28	3,796	976
2014-06	16	2,629	1,759
2014-05	29	3,415	1,613
2014-04	48	2,913	2,714
2014-03	30	10,175	2,948
2014-02	50	20,037	3,532
2014-01	15	893	493
2013-12	18	697	504
2013-11	29	1,792	743
2013-10	35	309	332
2013-09	16	1,951	777
2013-08	25	10	5
2013-07	19	3,164	1,798
2013-06	18	0	0
2013-05	20	0	0
2013-04	27	1,700	788
2013-03	42	2,612	1,621
2013-02	34	11	1
2013-01	67	6,750	2,610
2012-12	29	3,839	2,275
2012-11	28	38,872	10,359
2012-10	57	23	24
2012-09	30	126	26,167
2012-08	33	371	91
2012-07	16	694	468
2012-06	18	20	1
2012-05	4	1	0
2012-04	8	1,578	988
2012-03	17	155	126
2012-02	27	1,316	476
2012-01	19	1,948	206
2011-12	8	183	194
2011-11	18	1,727	1,578
2011-10	43	7,289	45,686
2011-09	15	18,588	2,333
2011-08	32	75,674	1,581

UTC offset	Commits	Share
UTC-10:00	3	0.0%
UTC-08:00	2,735	14.8%
UTC-07:00	4,703	25.4%
UTC-06:00	182	1.0%
UTC-05:00	908	4.9%
UTC-04:00	848	4.6%
UTC-03:00	22	0.1%
UTC+00:00	1,070	5.8%
UTC+01:00	2,303	12.4%
UTC+02:00	1,384	7.5%
UTC+03:00	151	0.8%
UTC+04:00	7	0.0%
UTC+04:30	2	0.0%
UTC+05:00	56	0.3%
UTC+05:30	1,036	5.6%
UTC+05:45	3	0.0%
UTC+07:00	7	0.0%
UTC+08:00	2,697	14.6%
UTC+09:00	340	1.8%
UTC+10:00	13	0.1%
UTC+11:00	12	0.1%
UTC+12:00	18	0.1%
UTC+13:00	9	0.0%

Activity

Commits by year

Commits by year/month

Weekly activity

Punch card

Month of year

Commits by timezone

Day	0	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	Total
Hour	553	534	433	337	307	342	305	389	651	1,162	1,186	1,165	845	1,115	1,241	1,176	1,208	1,110	881	707	743	761	711	647
Mon	59	50	35	29	39	34	35	45	65	179	178	175	141	185	205	182	199	196	162	102	138	135	120	124	2,812 (15.2%)
Tue	102	99	59	67	50	64	55	68	130	229	231	219	170	219	245	235	257	242	148	156	132	129	126	134	3,566 (19.3%)
Wed	90	97	91	69	63	69	45	72	147	233	217	230	168	208	245	227	226	215	185	123	172	138	135	118	3,583 (19.4%)
Thu	103	95	88	61	60	74	56	74	126	230	228	233	138	231	260	221	233	229	178	138	123	149	136	103	3,567 (19.3%)
Fri	114	99	79	61	54	55	52	64	121	206	228	228	158	196	212	236	219	161	126	111	93	110	89	75	3,147 (17.0%)
Sat	55	66	56	26	29	28	41	42	38	47	60	41	41	50	39	37	43	29	43	33	29	51	45	48	1,017 (5.5%)
Sun	30	28	25	24	12	18	21	24	24	38	44	39	29	26	35	38	31	38	39	44	56	49	60	45	817 (4.4%)