Analysis of OSM events in Bugzilla

Date and time of the report: 2024-01-02 05:00:05.154218

Analysed period: 2020-07-01 to 2024-01-02.

Bugs considered recent: Since 2023-12-12.

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:

85

Bugs present in multiple branches:

	BUG_DESCRIPTION	NUM_BRANCHES	RELEASE	MODULE	TIMESTAMP
0	NS deletion takes longer than expected for bas...	2	[Master, v15.0]	LCM	2023-12-20 14:13:28
1	Robot testsuite heal_02 fails in a step when c...	2	[Master, v15.0]	Robot-tests	2023-12-20 15:09:20
2	Robot testsuite heal_03 fails when checking if...	2	[Master, v15.0]	Robot-tests	2023-12-20 17:06:32
3	Robot testsuite lcmop_01 fails in daily job wh...	2	[Master, v15.0]	Robot-tests	2023-12-20 14:23:08
4	Robot testsuite sol003_02 fails in the verific...	2	[Master, v15.0]	Robot-tests	2023-12-20 13:51:33
5	Unable to install OSM in air-gapped environmet	2	[Master, v14.0]	DEVOPS	2023-11-02 10:16:24
6	Updating a VNF instance with an NS update oper...	3	[Master, v14.0, v12.0]	LCM	2023-12-12 11:11:02

Number of bugs per module

AGE	CURRENT	RECENT	Total
MODULE
Bugzilla	1	0	1
DEVOPS	8	0	8
Documentation / Wiki	4	0	4
Gerrit	1	0	1
IM-NBI	14	0	14
LCM	8	6	14
MON	2	0	2
N2VC	1	0	1
OSMClient	8	0	8
POL	2	0	2
RO	18	0	18
Robot-tests	4	8	12
Total	71	14	85

2.2 Age of open bugs

Age vs. state of open bugs (global)

AGE	CURRENT	RECENT	Total
VALUE
OPEN-UNCONFIRMED	60	13	73
CONFIRMED	8	0	8
IN_PROGRESS	3	1	4
Total	71	14	85

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	818.000000	NaN	818.0	818.00	818.0	818.00	818.0
1	DEVOPS	8.0	203.375000	138.995311	40.0	60.00	233.5	308.00	384.0
2	Documentation / Wiki	4.0	199.000000	10.099505	193.0	193.00	194.5	200.50	214.0
3	Gerrit	1.0	615.000000	NaN	615.0	615.00	615.0	615.00	615.0
4	IM-NBI	14.0	117.142857	91.582545	26.0	52.25	58.5	211.75	279.0
5	LCM	14.0	166.642857	220.377162	12.0	20.00	51.5	246.75	747.0
6	MON	2.0	290.000000	49.497475	255.0	272.50	290.0	307.50	325.0
7	N2VC	1.0	159.000000	NaN	159.0	159.00	159.0	159.00	159.0
8	OSMClient	8.0	265.250000	120.793507	165.0	194.50	207.0	302.75	458.0
9	POL	2.0	52.000000	5.656854	48.0	50.00	52.0	54.00	56.0
10	RO	18.0	242.166667	241.153661	40.0	56.75	160.5	358.25	892.0
11	Robot-tests	12.0	74.583333	92.574745	12.0	12.00	12.0	195.00	214.0

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	2	4	6.0
Documentation / Wiki	1	0	3	4.0
Gerrit	0	0	1	1.0
IM-NBI	1	2	4	7.0
LCM	1	2	3	6.0
MON	0	0	2	2.0
N2VC	0	0	1	1.0
OSMClient	0	2	6	8.0
POL	0	1	0	1.0
RO	2	2	8	12.0
Robot-tests	0	1	3	4.0
All	5	12	36	53.0

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	214	4.0	199.000	10.099505	193.0	193.00	194.5	...	selvi.j@tataelxsi.co.in	2023-08-31 23:59:59	CURRENT	2.0	assigned_to	CURRENT	2023-08-31 23:59:59	False	0	214
1	NaN	2270	2023-11-10 08:21:04	171	8.0	81.250	49.660994	46.0	51.75	57.5	...	rahul.k4@tataelxsi.co.in	2023-07-31 23:59:59	CURRENT	1.0	comment	CURRENT	2023-11-30 23:59:59	False	0	171
2	NaN	2280	2023-11-13 21:03:17	150	5.0	63.800	50.021995	20.0	46.00	47.0	...	rahul.k4@tataelxsi.co.in	2023-11-30 23:59:59	CURRENT	1.0	everconfirmed	CURRENT	2023-11-30 23:59:59	False	101	150
3	NaN	2281	2023-08-04 08:10:19	150	8.0	81.250	49.660994	46.0	51.75	57.5	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-08-31 23:59:59	False	0	150
4	NaN	2284	2023-08-09 11:49:19	145	8.0	64.625	32.810876	48.0	51.00	53.5	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-08-31 23:59:59	False	0	145

5 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	892	9.0	398.333333	257.576202	40.0	258.00	390.0	...	gulsum.atici@canonical.com	2022-03-31 23:59:59	CURRENT	2.0	keywords	CURRENT	2023-02-28 23:59:59	False	319	892
1	NaN	1830	2023-11-08 06:14:48	747	5.0	279.800000	300.514060	12.0	20.00	279.0	...	srojas@whitestack.com	2023-07-31 23:59:59	CURRENT	3.0	comment	CURRENT	2023-11-30 23:59:59	False	581	747
2	NaN	2019	2023-12-12 08:56:06	613	9.0	398.333333	257.576202	40.0	258.00	390.0	...	NaN	NaT	NaN	NaN	comment	RECENT	2023-12-31 23:59:59	False	193	613
3	NaN	2164	2023-10-17 17:21:22	474	3.0	201.000000	240.576391	20.0	64.50	109.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-10-31 23:59:59	False	138	474
4	NaN	2176	2023-10-17 16:56:24	458	6.0	287.000000	134.747171	165.0	187.00	233.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-10-31 23:59:59	False	382	458
5	NaN	2177	2023-10-17 17:02:41	455	6.0	287.000000	134.747171	165.0	187.00	233.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-10-31 23:59:59	False	379	455
6	NaN	2223	2023-03-03 13:23:34	308	2.0	184.000000	175.362482	60.0	122.00	184.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-03-31 23:59:59	False	0	308
7	NaN	2241	2023-04-28 14:57:23	248	4.0	204.500000	69.294059	101.0	200.75	234.5	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-04-30 23:59:59	False	0	248
8	NaN	2253	2023-08-24 16:59:30	214	8.0	105.875000	100.549117	12.0	12.00	103.5	...	selvi.j@tataelxsi.co.in	2023-08-31 23:59:59	CURRENT	2.0	cc	CURRENT	2023-08-31 23:59:59	False	0	214
9	NaN	2299	2023-12-04 16:05:27	63	8.0	64.625000	32.810876	48.0	51.00	53.5	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-12-31 23:59:59	False	0	63
10	NaN	2301	2023-11-02 10:16:46	60	2.0	50.000000	14.142136	40.0	45.00	50.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-11-30 23:59:59	False	0	60
11	NaN	2305	2023-11-06 21:11:09	56	2.0	52.000000	5.656854	48.0	50.00	52.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-11-30 23:59:59	False	0	56

12 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	818	1.0	818.000000	NaN	818.0	818.00	818.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-06-30 23:59:59	False	617	818
1	NaN	2015	2023-06-14 14:52:04	615	1.0	615.000000	NaN	615.0	615.00	615.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-06-30 23:59:59	False	317	615
2	NaN	2093	2023-07-19 17:19:49	549	9.0	398.333333	257.576202	40.0	258.00	390.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-07-31 23:59:59	False	248	549
3	NaN	2195	2023-05-15 14:29:20	409	9.0	398.333333	257.576202	40.0	258.00	390.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-05-31 23:59:59	False	0	409
4	NaN	2200	2023-02-07 00:00:27	390	9.0	398.333333	257.576202	40.0	258.00	390.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-02-28 23:59:59	False	0	390
5	NaN	2205	2023-02-13 00:00:24	384	1.0	384.000000	NaN	384.0	384.00	384.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-02-28 23:59:59	False	0	384
6	NaN	2214	2023-03-07 05:29:42	341	5.0	279.800000	300.514060	12.0	20.00	279.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-03-31 23:59:59	False	0	341
7	NaN	2215	2023-02-13 13:26:07	325	1.0	325.000000	NaN	325.0	325.00	325.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-02-28 23:59:59	False	0	325
8	NaN	2221	2023-02-27 15:30:34	308	2.0	308.000000	0.000000	308.0	308.00	308.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-02-28 23:59:59	False	0	308
9	NaN	2222	2023-02-27 15:53:28	308	2.0	308.000000	0.000000	308.0	308.00	308.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-02-28 23:59:59	False	0	308
10	NaN	2229	2023-03-30 11:29:33	279	1.0	279.000000	NaN	279.0	279.00	279.0	...	NaN	NaT	NaN	NaN	short_desc	CURRENT	2023-03-31 23:59:59	False	0	279
11	NaN	2230	2023-03-28 19:37:13	279	5.0	279.800000	300.514060	12.0	20.00	279.0	...	NaN	NaT	NaN	NaN	cc	CURRENT	2023-03-31 23:59:59	False	0	279
12	NaN	2233	2023-04-13 10:02:45	263	9.0	398.333333	257.576202	40.0	258.00	390.0	...	NaN	NaT	NaN	NaN	cc	CURRENT	2023-04-30 23:59:59	False	0	263
13	NaN	2235	2023-06-11 19:42:11	258	9.0	398.333333	257.576202	40.0	258.00	390.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-06-30 23:59:59	False	0	258
14	NaN	2238	2023-04-21 14:35:51	255	1.0	255.000000	NaN	255.0	255.00	255.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-04-30 23:59:59	False	0	255
15	NaN	2240	2023-04-24 16:52:54	252	6.0	287.000000	134.747171	165.0	187.00	233.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-04-30 23:59:59	False	0	252
16	NaN	2243	2023-05-11 09:09:17	235	4.0	204.500000	69.294059	101.0	200.75	234.5	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-05-31 23:59:59	False	0	235
17	NaN	2245	2023-11-27 17:49:44	234	4.0	204.500000	69.294059	101.0	200.75	234.5	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-11-30 23:59:59	False	0	234
18	NaN	2251	2023-08-24 16:59:52	214	6.0	287.000000	134.747171	165.0	187.00	233.0	...	selvi.j@tataelxsi.co.in	2023-08-31 23:59:59	CURRENT	2.0	assigned_to	CURRENT	2023-08-31 23:59:59	False	0	214
19	NaN	2259	2023-06-15 17:15:02	200	2.0	200.000000	0.000000	200.0	200.00	200.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-06-30 23:59:59	False	0	200
20	NaN	2260	2023-06-15 17:18:45	200	2.0	200.000000	0.000000	200.0	200.00	200.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-06-30 23:59:59	False	0	200
21	NaN	2261	2023-06-21 13:01:39	196	4.0	199.000000	10.099505	193.0	193.00	194.5	...	ramerama@tataelxsi.co.in	2023-06-30 23:59:59	CURRENT	1.0	assigned_to	CURRENT	2023-06-30 23:59:59	False	0	196
22	NaN	2263	2023-06-21 12:59:45	195	8.0	105.875000	100.549117	12.0	12.00	103.5	...	ramerama@tataelxsi.co.in	2023-06-30 23:59:59	CURRENT	1.0	assigned_to	CURRENT	2023-06-30 23:59:59	False	0	195
23	NaN	2264	2023-06-21 12:59:58	195	8.0	105.875000	100.549117	12.0	12.00	103.5	...	ramerama@tataelxsi.co.in	2023-06-30 23:59:59	CURRENT	1.0	assigned_to	CURRENT	2023-06-30 23:59:59	False	0	195
24	NaN	2265	2023-06-21 13:00:12	195	8.0	105.875000	100.549117	12.0	12.00	103.5	...	ramerama@tataelxsi.co.in	2023-06-30 23:59:59	CURRENT	1.0	assigned_to	CURRENT	2023-06-30 23:59:59	False	0	195
25	NaN	2266	2023-06-22 15:10:37	193	4.0	199.000000	10.099505	193.0	193.00	194.5	...	rahul.k4@tataelxsi.co.in	2023-06-30 23:59:59	CURRENT	1.0	assigned_to	CURRENT	2023-06-30 23:59:59	False	0	193
26	NaN	2267	2023-06-22 15:10:07	193	4.0	199.000000	10.099505	193.0	193.00	194.5	...	deepika.e@tataelxsi.co.in	2023-06-30 23:59:59	CURRENT	1.0	assigned_to	CURRENT	2023-06-30 23:59:59	False	0	193
27	NaN	2269	2023-07-07 16:05:57	178	6.0	287.000000	134.747171	165.0	187.00	233.0	...	ramerama@tataelxsi.co.in	2023-07-31 23:59:59	CURRENT	1.0	version	CURRENT	2023-07-31 23:59:59	False	0	178
28	NaN	2271	2023-07-19 18:53:57	171	9.0	398.333333	257.576202	40.0	258.00	390.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-07-31 23:59:59	False	0	171
29	NaN	2274	2023-07-20 15:08:35	165	6.0	287.000000	134.747171	165.0	187.00	233.0	...	deepika.e@tataelxsi.co.in	2023-07-31 23:59:59	CURRENT	1.0	assigned_to	CURRENT	2023-07-31 23:59:59	False	0	165
30	NaN	2277	2023-07-26 11:00:06	159	1.0	159.000000	NaN	159.0	159.00	159.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-07-31 23:59:59	False	0	159
31	NaN	2278	2023-08-10 09:39:19	159	1.0	159.000000	NaN	159.0	159.00	159.0	...	guillermo.calvino@canonical.com	2023-07-31 23:59:59	CURRENT	1.0	bug_severity	CURRENT	2023-08-31 23:59:59	False	0	159
32	NaN	2286	2023-09-08 11:17:57	124	1.0	124.000000	NaN	124.0	124.00	124.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-09-30 23:59:59	False	0	124
33	NaN	2287	2023-09-18 23:58:26	109	3.0	201.000000	240.576391	20.0	64.50	109.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-09-30 23:59:59	False	0	109
34	NaN	2288	2023-09-22 15:22:41	101	4.0	204.500000	69.294059	101.0	200.75	234.5	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-09-30 23:59:59	False	0	101
35	NaN	2298	2023-10-26 18:28:56	67	8.0	81.250000	49.660994	46.0	51.75	57.5	...	NaN	NaT	NaN	NaN	cc	CURRENT	2023-10-31 23:59:59	False	0	67

36 rows × 40 columns

3. Temporal evolution

3.1 Number of open bugs