Hadoop groups at hadoop.apache.org

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Aggregate mailing list analytics for hadoop.apache.org.

Posts by Month

Users by Month

New Users by Month

User Domains by Month

Monthly Data

Period	Posts	Users	Domains	New Users	Posts / User	Posts / Domain	Users / Domain
All	376,528	6,290	1,675	6,290	59.9	224.8	3.8
Monthly Average	4,378	219	74	73	20.0	56.2	2.8
Feburary 2013	3,180	171	44	43	18.6	72.3	3.9
January 2013	9,951	349	110	115	28.5	90.5	3.2
December 2012	7,213	263	95	70	27.4	75.9	2.8
November 2012	9,026	278	89	71	32.5	101.4	3.1
October 2012	11,155	312	100	92	35.8	111.6	3.1
September 2012	9,329	329	106	104	28.4	88.0	3.1
August 2012	10,496	484	150	162	21.7	70.0	3.2
July 2012	7,373	282	94	82	26.1	78.4	3.0
June 2012	5,928	269	86	94	22.0	68.9	3.1
May 2012	7,246	313	101	109	23.2	71.7	3.1
April 2012	8,079	285	93	94	28.3	86.9	3.1
March 2012	8,605	356	111	124	24.2	77.5	3.2
Feburary 2012	9,793	336	106	116	29.1	92.4	3.2
January 2012	8,276	317	102	110	26.1	81.1	3.1
December 2011	7,286	303	96	93	24.0	75.9	3.2
November 2011	7,685	298	91	90	25.8	84.5	3.3
October 2011	10,486	320	104	96	32.8	100.8	3.1
September 2011	10,166	329	104	110	30.9	97.8	3.2
August 2011	6,454	331	110	116	19.5	58.7	3.0
July 2011	5,092	292	92	95	17.4	55.3	3.2
June 2011	6,404	392	114	150	16.3	56.2	3.4
May 2011	7,481	323	112	111	23.2	66.8	2.9
April 2011	4,046	300	100	97	13.5	40.5	3.0
March 2011	5,594	304	94	100	18.4	59.5	3.2
Feburary 2011	3,401	289	106	85	11.8	32.1	2.7
January 2011	3,630	291	89	93	12.5	40.8	3.3
December 2010	2,519	248	82	68	10.2	30.7	3.0
November 2010	3,808	302	120	96	12.6	31.7	2.5
October 2010	3,253	310	109	97	10.5	29.8	2.8
September 2010	3,088	266	89	97	11.6	34.7	3.0
August 2010	3,746	297	85	89	12.6	44.1	3.5
July 2010	4,135	292	98	84	14.2	42.2	3.0
June 2010	4,663	296	102	106	15.8	45.7	2.9
May 2010	4,074	284	100	98	14.3	40.7	2.8
April 2010	4,853	320	94	114	15.2	51.6	3.4
March 2010	5,201	311	106	97	16.7	49.1	2.9
Feburary 2010	4,976	260	78	79	19.1	63.8	3.3
January 2010	4,994	285	94	97	17.5	53.1	3.0
December 2009	5,143	261	91	83	19.7	56.5	2.9
November 2009	4,499	303	97	107	14.8	46.4	3.1
October 2009	5,198	279	109	94	18.6	47.7	2.6
September 2009	5,957	277	86	88	21.5	69.3	3.2
August 2009	4,597	273	77	88	16.8	59.7	3.5
July 2009	5,364	300	96	99	17.9	55.9	3.1
June 2009	4,016	292	88	98	13.8	45.6	3.3
May 2009	4,171	264	94	91	15.8	44.4	2.8
April 2009	3,622	262	83	89	13.8	43.6	3.2
March 2009	4,081	255	90	90	16.0	45.3	2.8
Feburary 2009	3,995	228	84	68	17.5	47.6	2.7
January 2009	3,396	226	91	81	15.0	37.3	2.5
December 2008	3,377	198	74	69	17.1	45.6	2.7
November 2008	3,318	225	87	68	14.7	38.1	2.6
October 2008	4,787	240	84	84	19.9	57.0	2.9
September 2008	5,101	231	87	74	22.1	58.6	2.7
August 2008	3,624	223	85	84	16.3	42.6	2.6
July 2008	4,317	242	91	87	17.8	47.4	2.7
June 2008	3,718	215	78	82	17.3	47.7	2.8
May 2008	2,808	194	76	75	14.5	36.9	2.6
April 2008	3,948	210	83	73	18.8	47.6	2.5
March 2008	3,814	193	64	75	19.8	59.6	3.0
Feburary 2008	2,924	172	64	67	17.0	45.7	2.7
January 2008	4,468	140	52	51	31.9	85.9	2.7
December 2007	3,159	130	51	46	24.3	61.9	2.5
November 2007	2,943	123	46	42	23.9	64.0	2.7
October 2007	2,976	139	51	50	21.4	58.4	2.7
September 2007	2,548	123	50	50	20.7	51.0	2.5
August 2007	2,420	110	37	47	22.0	65.4	3.0
July 2007	2,138	86	35	33	24.9	61.1	2.5
June 2007	1,909	76	35	32	25.1	54.5	2.2
May 2007	1,784	67	29	22	26.6	61.5	2.3
April 2007	1,705	54	24	22	31.6	71.0	2.3
March 2007	1,483	71	36	28	20.9	41.2	2.0
Feburary 2007	1,379	63	25	27	21.9	55.2	2.5
January 2007	1,345	51	22	19	26.4	61.1	2.3
December 2006	913	37	16	10	24.7	57.1	2.3
November 2006	1,005	49	19	12	20.5	52.9	2.6
October 2006	763	44	17	16	17.3	44.9	2.6
September 2006	685	40	16	14	17.1	42.8	2.5
August 2006	824	44	25	17	18.7	33.0	1.8
July 2006	633	36	18	12	17.6	35.2	2.0
June 2006	694	30	14	8	23.1	49.6	2.1
May 2006	804	35	16	16	23.0	50.3	2.2
April 2006	603	35	19	13	17.2	31.7	1.8
March 2006	517	36	19	23	14.4	27.2	1.9
Feburary 2006	364	22	13	20	16.5	28.0	1.7
January 2006	6	2	1	2	3.0	6.0	2.0

	common-dev (80,805)
	hdfs-issues (57,058)
	mapreduce-issues (56,917)
	common-issues (43,402)
	common-user (40,458)
	common-commits (20,446)
	zookeeper-dev (11,621)
	mapreduce-user (10,453)
	hdfs-dev (8,985)
	mapreduce-dev (8,944)
	hdfs-user (7,883)
	general (5,844)
	mapreduce-commits (5,329)
	hdfs-commits (5,301)
	user (4,873)
	yarn-issues (3,388)
	zookeeper-user (2,447)
	yarn-dev (868)
	zookeeper-commits (837)
	yarn-commits (632)