Analysis of OSM events in Bugzilla

Date and time of the report: 2023-11-17 05:00:04.981682

Analysed period: 2020-07-01 to 2023-11-17.

Bugs considered recent: Since 2023-10-27.

1. Imports and cleans raw source data with all Bugzilla events

DONE

2. Current state of open bugs

2.1 Number of open bugs

Total number of open bugs:

75

Bugs present in multiple branches:

	BUG_DESCRIPTION	NUM_BRANCHES	RELEASE	MODULE	TIMESTAMP
0	Registration of K8s cluster fails through the GUI	3	[Master, v13.0, v12.0]	NG-UI	2023-03-15 17:43:13
1	Unable to install OSM in air-gapped environmet	2	[Master, v14.0]	DEVOPS	2023-11-02 10:16:24

Number of bugs per module

AGE	CURRENT	RECENT	Total
MODULE
Bugzilla	1	0	1
DEVOPS	5	2	7
Documentation / Wiki	4	0	4
Gerrit	1	0	1
IM-NBI	6	7	13
LCM	5	4	9
MON	2	0	2
N2VC	2	0	2
NG-UI	4	0	4
OSMClient	9	0	9
POL	0	2	2
RO	12	5	17
Robot-tests	4	0	4
Total	55	20	75

2.2 Age of open bugs

Age vs. state of open bugs (global)

AGE	CURRENT	RECENT	Total
VALUE
OPEN-UNCONFIRMED	46	18	64
CONFIRMED	8	1	9
IN_PROGRESS	1	1	2
Total	55	20	75

Age distribution per module

NOTE: To see how a boxplot representation works, you may refer to this article.

Table with distributions of ages of currently open bugs:

	MODULE	count	mean	std	min	25%	50%	75%	max
0	Bugzilla	1.0	772.000000	NaN	772.0	772.00	772.0	772.00	772.0
1	DEVOPS	7.0	180.714286	132.119535	14.0	63.50	262.0	262.00	338.0
2	Documentation / Wiki	4.0	153.000000	10.099505	147.0	147.00	148.5	154.50	168.0
3	Gerrit	1.0	569.000000	NaN	569.0	569.00	569.0	569.00	569.0
4	IM-NBI	13.0	78.153846	91.328022	2.0	7.00	17.0	188.00	233.0
5	LCM	9.0	203.888889	238.916536	0.0	10.00	104.0	295.00	701.0
6	MON	2.0	244.000000	49.497475	209.0	226.50	244.0	261.50	279.0
7	N2VC	2.0	152.500000	55.861436	113.0	132.75	152.5	172.25	192.0
8	NG-UI	4.0	251.250000	10.500000	246.0	246.00	246.0	251.25	267.0
9	OSMClient	9.0	207.444444	118.412532	113.0	132.00	154.0	206.00	412.0
10	POL	2.0	6.000000	5.656854	2.0	4.00	6.0	8.00	10.0
11	RO	17.0	208.058824	243.074184	0.0	13.00	125.0	344.00	846.0
12	Robot-tests	4.0	153.750000	9.500000	149.0	149.00	149.0	153.75	168.0

2.3 Outliers

Four types of bug age outliers are identified:

1. Too old bugs.
2. Pure outliers for boxplot: Beyond Q3+1.5IQR for the MDG.
3. Beyond 3rd quartile of ages.
4. Age beyond 2 months.

Recommendations file does not exist.

Summary table of outliers:

AGE	1. Open outliers	2. Open beyond q3	3. Open beyond 2 months	All
MODULE
Bugzilla	0	0	1	1.0
DEVOPS	0	1	4	5.0
Documentation / Wiki	1	0	3	4.0
Gerrit	0	0	1	1.0
IM-NBI	1	2	3	6.0
LCM	1	2	3	6.0
MON	0	0	2	2.0
N2VC	0	0	2	2.0
NG-UI	0	1	3	4.0
OSMClient	0	2	7	9.0
POL	0	1	0	1.0
RO	2	2	7	11.0
Robot-tests	1	0	3	4.0
All	6	11	39	56.0

Outlier details

Too old bugs:

	RECOMMENDATION	BUG_ID	BUG_DESCRIPTION	ISSUER	CREATION_TIME	CREATION_AGE	MONTH	STATE	STATE_UPDATE_TIME	STATE_UPDATE_AGE	...	LAST_ASSIGNMENT_MONTH	LAST_ASSIGNMENT_AGE	OWNER_CHANGES	LAST_EVENT	LAST_EVENT_TIME	LAST_EVENT_AGE	LAST_EVENT_MONTH	SOLVED	BUG_RESOLUTION_TIME	TIME_SINCE_CREATION

0 rows × 29 columns

Pure outliers:

	RECOMMENDATION	BUG_ID	LAST_EVENT_TIME	Time bug open (days)	count	mean	std	min	25%	50%	...	OWNER	LAST_ASSIGNMENT_MONTH	LAST_ASSIGNMENT_AGE	OWNER_CHANGES	LAST_EVENT	LAST_EVENT_AGE	LAST_EVENT_MONTH	SOLVED	BUG_RESOLUTION_TIME	TIME_SINCE_CREATION
0	NaN	2252	2023-08-24 16:59:46	168	4.0	153.000	10.099505	147.0	147.00	148.5	...	selvi.j@tataelxsi.co.in	2023-08-31 23:59:59.000000	CURRENT	2.0	assigned_to	CURRENT	2023-08-31 23:59:59.000000	False	0	168
1	NaN	2253	2023-08-24 16:59:30	168	4.0	153.750	9.500000	149.0	149.00	149.0	...	selvi.j@tataelxsi.co.in	2023-08-31 23:59:59.000000	CURRENT	2.0	cc	CURRENT	2023-08-31 23:59:59.000000	False	0	168
2	NaN	2270	2023-11-10 08:21:04	125	8.0	35.250	49.660994	0.0	5.75	11.5	...	rahul.k4@tataelxsi.co.in	2023-07-31 23:59:59.000000	CURRENT	1.0	comment	RECENT	2023-11-17 04:00:05.015924	False	0	125
3	NaN	2280	2023-11-13 21:03:17	104	4.0	28.750	50.367814	0.0	0.75	5.5	...	rahul.k4@tataelxsi.co.in	2023-11-17 04:00:05.015924	RECENT	1.0	everconfirmed	RECENT	2023-11-17 04:00:05.015924	False	101	104
4	NaN	2281	2023-08-04 08:10:19	104	8.0	35.250	49.660994	0.0	5.75	11.5	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-08-31 23:59:59.000000	False	0	104
5	NaN	2284	2023-08-09 11:49:19	99	8.0	18.625	32.810876	2.0	5.00	7.5	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-08-31 23:59:59.000000	False	0	99

6 rows × 40 columns

Beyond Q3:

	RECOMMENDATION	BUG_ID	LAST_EVENT_TIME	Time bug open (days)	count	mean	std	min	25%	50%	...	OWNER	LAST_ASSIGNMENT_MONTH	LAST_ASSIGNMENT_AGE	OWNER_CHANGES	LAST_EVENT	LAST_EVENT_AGE	LAST_EVENT_MONTH	SOLVED	BUG_RESOLUTION_TIME	TIME_SINCE_CREATION
0	NaN	1603	2023-02-15 00:00:12	846	8.0	397.125000	234.919705	125.0	215.75	353.5	...	gulsum.atici@canonical.com	2022-03-31 23:59:59	CURRENT	2.0	keywords	CURRENT	2023-02-28 23:59:59.000000	False	319	846
1	NaN	1830	2023-11-08 06:14:48	701	3.0	409.666667	254.199397	233.0	264.00	295.0	...	srojas@whitestack.com	2023-07-31 23:59:59	CURRENT	3.0	comment	RECENT	2023-11-17 04:00:05.015924	False	581	701
2	NaN	2019	2023-10-03 15:03:31	567	8.0	397.125000	234.919705	125.0	215.75	353.5	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-10-31 23:59:59.000000	False	193	567
3	NaN	2164	2023-10-17 17:21:22	428	2.0	245.500000	258.093975	63.0	154.25	245.5	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-10-31 23:59:59.000000	False	138	428
4	NaN	2176	2023-10-17 16:56:24	412	6.0	241.000000	134.747171	119.0	141.00	187.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-10-31 23:59:59.000000	False	382	412
5	NaN	2177	2023-10-17 17:02:41	409	6.0	241.000000	134.747171	119.0	141.00	187.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-10-31 23:59:59.000000	False	379	409
6	NaN	2219	2023-02-22 17:40:55	267	2.0	256.500000	14.849242	246.0	251.25	256.5	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-02-28 23:59:59.000000	False	0	267
7	NaN	2223	2023-03-03 13:23:34	262	2.0	138.000000	175.362482	14.0	76.00	138.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-03-31 23:59:59.000000	False	0	262
8	NaN	2241	2023-04-28 14:57:23	202	4.0	158.500000	69.294059	55.0	154.75	188.5	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-04-30 23:59:59.000000	False	0	202
9	NaN	2299	2023-10-30 17:35:50	17	8.0	18.625000	32.810876	2.0	5.00	7.5	...	NaN	NaT	NaN	NaN	comment	RECENT	2023-10-31 23:59:59.000000	False	0	17
10	NaN	2305	2023-11-06 21:11:09	10	2.0	6.000000	5.656854	2.0	4.00	6.0	...	NaN	NaT	NaN	NaN	comment	RECENT	2023-11-17 04:00:05.015924	False	0	10

11 rows × 40 columns

Beyond 2 months:

	RECOMMENDATION	BUG_ID	LAST_EVENT_TIME	Time bug open (days)	count	mean	std	min	25%	50%	...	OWNER	LAST_ASSIGNMENT_MONTH	LAST_ASSIGNMENT_AGE	OWNER_CHANGES	LAST_EVENT	LAST_EVENT_AGE	LAST_EVENT_MONTH	SOLVED	BUG_RESOLUTION_TIME	TIME_SINCE_CREATION
0	NaN	1683	2023-06-14 13:12:23	772	1.0	772.000000	NaN	772.0	772.00	772.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-06-30 23:59:59.000000	False	617	772
1	NaN	2015	2023-06-14 14:52:04	569	1.0	569.000000	NaN	569.0	569.00	569.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-06-30 23:59:59.000000	False	317	569
2	NaN	2093	2023-07-19 17:19:49	503	8.0	397.125000	234.919705	125.0	215.75	353.5	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-07-31 23:59:59.000000	False	248	503
3	NaN	2195	2023-05-15 14:29:20	363	8.0	397.125000	234.919705	125.0	215.75	353.5	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-05-31 23:59:59.000000	False	0	363
4	NaN	2200	2023-02-07 00:00:27	344	8.0	397.125000	234.919705	125.0	215.75	353.5	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-02-28 23:59:59.000000	False	0	344
5	NaN	2205	2023-02-13 00:00:24	338	1.0	338.000000	NaN	338.0	338.00	338.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-02-28 23:59:59.000000	False	0	338
6	NaN	2214	2023-03-07 05:29:42	295	3.0	409.666667	254.199397	233.0	264.00	295.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-03-31 23:59:59.000000	False	0	295
7	NaN	2215	2023-02-13 13:26:07	279	1.0	279.000000	NaN	279.0	279.00	279.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-02-28 23:59:59.000000	False	0	279
8	NaN	2221	2023-02-27 15:30:34	262	2.0	262.000000	0.000000	262.0	262.00	262.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-02-28 23:59:59.000000	False	0	262
9	NaN	2222	2023-02-27 15:53:28	262	2.0	262.000000	0.000000	262.0	262.00	262.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-02-28 23:59:59.000000	False	0	262
10	NaN	2225	2023-06-21 13:04:50	246	2.0	256.500000	14.849242	246.0	251.25	256.5	...	ramerama@tataelxsi.co.in	2023-06-30 23:59:59	CURRENT	2.0	assigned_to	CURRENT	2023-06-30 23:59:59.000000	False	0	246
11	NaN	2226	2023-03-15 17:53:51	246	1.0	246.000000	NaN	246.0	246.00	246.0	...	NaN	NaT	NaN	NaN	dependson	CURRENT	2023-03-31 23:59:59.000000	False	0	246
12	NaN	2227	2023-11-08 10:03:11	246	1.0	246.000000	NaN	246.0	246.00	246.0	...	NaN	NaT	NaN	NaN	comment	RECENT	2023-11-17 04:00:05.015924	False	0	246
13	NaN	2229	2023-03-30 11:29:33	233	1.0	233.000000	NaN	233.0	233.00	233.0	...	NaN	NaT	NaN	NaN	short_desc	CURRENT	2023-03-31 23:59:59.000000	False	0	233
14	NaN	2230	2023-03-28 19:37:13	233	3.0	409.666667	254.199397	233.0	264.00	295.0	...	NaN	NaT	NaN	NaN	cc	CURRENT	2023-03-31 23:59:59.000000	False	0	233
15	NaN	2233	2023-04-13 10:02:45	217	8.0	397.125000	234.919705	125.0	215.75	353.5	...	NaN	NaT	NaN	NaN	cc	CURRENT	2023-04-30 23:59:59.000000	False	0	217
16	NaN	2235	2023-06-11 19:42:11	212	8.0	397.125000	234.919705	125.0	215.75	353.5	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-06-30 23:59:59.000000	False	0	212
17	NaN	2238	2023-04-21 14:35:51	209	1.0	209.000000	NaN	209.0	209.00	209.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-04-30 23:59:59.000000	False	0	209
18	NaN	2240	2023-04-24 16:52:54	206	6.0	241.000000	134.747171	119.0	141.00	187.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-04-30 23:59:59.000000	False	0	206
19	NaN	2242	2023-05-12 12:45:47	192	1.0	192.000000	NaN	192.0	192.00	192.0	...	NaN	NaT	NaN	NaN	version	CURRENT	2023-05-31 23:59:59.000000	False	0	192
20	NaN	2243	2023-05-11 09:09:17	189	4.0	158.500000	69.294059	55.0	154.75	188.5	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-05-31 23:59:59.000000	False	0	189
21	NaN	2245	2023-07-07 15:44:24	188	4.0	158.500000	69.294059	55.0	154.75	188.5	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-07-31 23:59:59.000000	False	0	188
22	NaN	2251	2023-08-24 16:59:52	168	6.0	241.000000	134.747171	119.0	141.00	187.0	...	selvi.j@tataelxsi.co.in	2023-08-31 23:59:59	CURRENT	2.0	assigned_to	CURRENT	2023-08-31 23:59:59.000000	False	0	168
23	NaN	2259	2023-06-15 17:15:02	154	2.0	154.000000	0.000000	154.0	154.00	154.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-06-30 23:59:59.000000	False	0	154
24	NaN	2260	2023-06-15 17:18:45	154	2.0	154.000000	0.000000	154.0	154.00	154.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-06-30 23:59:59.000000	False	0	154
25	NaN	2261	2023-06-21 13:01:39	150	4.0	153.000000	10.099505	147.0	147.00	148.5	...	ramerama@tataelxsi.co.in	2023-06-30 23:59:59	CURRENT	1.0	assigned_to	CURRENT	2023-06-30 23:59:59.000000	False	0	150
26	NaN	2263	2023-06-21 12:59:45	149	4.0	153.750000	9.500000	149.0	149.00	149.0	...	ramerama@tataelxsi.co.in	2023-06-30 23:59:59	CURRENT	1.0	assigned_to	CURRENT	2023-06-30 23:59:59.000000	False	0	149
27	NaN	2264	2023-06-21 12:59:58	149	4.0	153.750000	9.500000	149.0	149.00	149.0	...	ramerama@tataelxsi.co.in	2023-06-30 23:59:59	CURRENT	1.0	assigned_to	CURRENT	2023-06-30 23:59:59.000000	False	0	149
28	NaN	2265	2023-06-21 13:00:12	149	4.0	153.750000	9.500000	149.0	149.00	149.0	...	ramerama@tataelxsi.co.in	2023-06-30 23:59:59	CURRENT	1.0	assigned_to	CURRENT	2023-06-30 23:59:59.000000	False	0	149
29	NaN	2266	2023-06-22 15:10:37	147	4.0	153.000000	10.099505	147.0	147.00	148.5	...	rahul.k4@tataelxsi.co.in	2023-06-30 23:59:59	CURRENT	1.0	assigned_to	CURRENT	2023-06-30 23:59:59.000000	False	0	147
30	NaN	2267	2023-06-22 15:10:07	147	4.0	153.000000	10.099505	147.0	147.00	148.5	...	deepika.e@tataelxsi.co.in	2023-06-30 23:59:59	CURRENT	1.0	assigned_to	CURRENT	2023-06-30 23:59:59.000000	False	0	147
31	NaN	2269	2023-07-07 16:05:57	132	6.0	241.000000	134.747171	119.0	141.00	187.0	...	ramerama@tataelxsi.co.in	2023-07-31 23:59:59	CURRENT	1.0	version	CURRENT	2023-07-31 23:59:59.000000	False	0	132
32	NaN	2271	2023-07-19 18:53:57	125	8.0	397.125000	234.919705	125.0	215.75	353.5	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-07-31 23:59:59.000000	False	0	125
33	NaN	2274	2023-07-20 15:08:35	119	6.0	241.000000	134.747171	119.0	141.00	187.0	...	deepika.e@tataelxsi.co.in	2023-07-31 23:59:59	CURRENT	1.0	assigned_to	CURRENT	2023-07-31 23:59:59.000000	False	0	119
34	NaN	2277	2023-07-26 11:00:06	113	1.0	113.000000	NaN	113.0	113.00	113.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-07-31 23:59:59.000000	False	0	113
35	NaN	2278	2023-08-10 09:39:19	113	1.0	113.000000	NaN	113.0	113.00	113.0	...	guillermo.calvino@canonical.com	2023-07-31 23:59:59	CURRENT	1.0	bug_severity	CURRENT	2023-08-31 23:59:59.000000	False	0	113
36	NaN	2279	2023-11-16 16:20:00	113	1.0	113.000000	NaN	113.0	113.00	113.0	...	NaN	NaT	NaN	NaN	comment	RECENT	2023-11-17 04:00:05.015924	False	0	113
37	NaN	2286	2023-09-08 11:17:57	78	1.0	78.000000	NaN	78.0	78.00	78.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-09-30 23:59:59.000000	False	0	78
38	NaN	2287	2023-09-18 23:58:26	63	2.0	245.500000	258.093975	63.0	154.25	245.5	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-09-30 23:59:59.000000	False	0	63

39 rows × 40 columns

3. Temporal evolution

3.1 Number of open bugs