Analysis of OSM events in Bugzilla

Date and time of the report: 2024-02-27 05:00:05.815483

Analysed period: 2020-07-01 to 2024-02-27.

Bugs considered recent: Since 2024-02-06.

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:

76

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	Unable to install OSM in air-gapped environmet	2	[Master, v14.0]	DEVOPS	2023-11-02 10:16:24
5	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	Total
MODULE
DEVOPS	6	6
Documentation / Wiki	4	4
IM-NBI	13	13
LCM	12	12
MON	1	1
N2VC	1	1
NG-SA	1	1
OSMClient	8	8
POL	2	2
RO	17	17
Robot-tests	11	11
Total	76	76

2.2 Age of open bugs

Age vs. state of open bugs (global)

AGE	CURRENT	Total
VALUE
OPEN-UNCONFIRMED	69	69
CONFIRMED	5	5
IN_PROGRESS	2	2
Total	76	76

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	DEVOPS	6.0	224.500000	145.634817	96.0	116.0	165.5	326.75	440.0
1	Documentation / Wiki	4.0	255.000000	10.099505	249.0	249.0	250.5	256.50	270.0
2	IM-NBI	13.0	178.076923	93.365288	82.0	108.0	119.0	290.00	335.0
3	LCM	12.0	184.250000	154.491027	68.0	76.0	107.0	238.25	530.0
4	MON	1.0	381.000000	NaN	381.0	381.0	381.0	381.00	381.0
5	N2VC	1.0	215.000000	NaN	215.0	215.0	215.0	215.00	215.0
6	NG-SA	1.0	27.000000	NaN	27.0	27.0	27.0	27.00	27.0
7	OSMClient	8.0	321.250000	120.793507	221.0	250.5	263.0	358.75	514.0
8	POL	2.0	108.000000	5.656854	104.0	106.0	108.0	110.00	112.0
9	RO	17.0	276.352941	229.541647	96.0	112.0	206.0	319.00	948.0
10	Robot-tests	11.0	136.272727	94.867372	68.0	68.0	68.0	251.00	270.0

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
DEVOPS	0	2	4	6.0
Documentation / Wiki	1	0	3	4.0
IM-NBI	1	2	10	13.0
LCM	1	2	9	12.0
MON	0	0	1	1.0
N2VC	0	0	1	1.0
OSMClient	0	2	6	8.0
POL	0	1	1	2.0
RO	3	1	13	17.0
Robot-tests	0	1	10	11.0
All	6	11	58	75.0

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	1603	2023-02-15 00:00:12	948	8.0	427.500000	261.567254	96.0	292.25	382.5	...	gulsum.atici@canonical.com	2022-03-31 23:59:59	CURRENT	2.0	keywords	CURRENT	2023-02-28 23:59:59	False	319	948
1	NaN	2252	2023-08-24 16:59:46	270	4.0	255.000000	10.099505	249.0	249.00	250.5	...	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	270
2	NaN	2270	2023-11-10 08:21:04	227	8.0	137.250000	49.660994	102.0	107.75	113.5	...	rahul.k4@tataelxsi.co.in	2023-07-31 23:59:59	CURRENT	1.0	comment	CURRENT	2023-11-30 23:59:59	False	0	227
3	NaN	2280	2024-01-18 15:39:05	206	4.0	124.000000	56.733294	76.0	95.50	107.0	...	rahul.k4@tataelxsi.co.in	2023-11-30 23:59:59	CURRENT	1.0	comment	CURRENT	2024-01-31 23:59:59	False	101	206
4	NaN	2281	2023-08-04 08:10:19	206	8.0	137.250000	49.660994	102.0	107.75	113.5	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-08-31 23:59:59	False	0	206
5	NaN	2284	2023-08-09 11:49:19	201	7.0	122.285714	35.074750	104.0	106.00	110.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-08-31 23:59:59	False	0	201

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	2093	2023-07-19 17:19:49	605	8.0	427.500000	261.567254	96.0	292.25	382.5	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-07-31 23:59:59	False	248	605
1	NaN	2164	2023-10-17 17:21:22	530	3.0	257.000000	240.576391	76.0	120.50	165.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-10-31 23:59:59	False	138	530
2	NaN	2176	2023-10-17 16:56:24	514	6.0	343.000000	134.747171	221.0	243.00	289.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-10-31 23:59:59	False	382	514
3	NaN	2177	2023-10-17 17:02:41	511	6.0	343.000000	134.747171	221.0	243.00	289.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-10-31 23:59:59	False	379	511
4	NaN	2214	2023-03-07 05:29:42	397	4.0	219.000000	171.648866	68.0	74.00	205.5	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-03-31 23:59:59	False	0	397
5	NaN	2223	2023-03-03 13:23:34	364	2.0	240.000000	175.362482	116.0	178.00	240.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-03-31 23:59:59	False	0	364
6	NaN	2241	2023-04-28 14:57:23	304	4.0	260.500000	69.294059	157.0	256.75	290.5	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-04-30 23:59:59	False	0	304
7	NaN	2253	2023-08-24 16:59:30	270	7.0	175.285714	100.581168	68.0	68.00	251.0	...	selvi.j@tataelxsi.co.in	2023-08-31 23:59:59	CURRENT	2.0	cc	CURRENT	2023-08-31 23:59:59	False	0	270
8	NaN	2299	2023-12-04 16:05:27	119	7.0	122.285714	35.074750	104.0	106.00	110.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-12-31 23:59:59	False	0	119
9	NaN	2301	2023-11-02 10:16:46	116	2.0	106.000000	14.142136	96.0	101.00	106.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-11-30 23:59:59	False	0	116
10	NaN	2305	2023-11-06 21:11:09	112	2.0	108.000000	5.656854	104.0	106.00	108.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-11-30 23:59:59	False	0	112

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	2195	2023-05-15 14:29:20	465	8.0	427.500000	261.567254	96.0	292.25	382.5	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-05-31 23:59:59.000000	False	0	465
1	NaN	2200	2023-02-07 00:00:27	446	8.0	427.500000	261.567254	96.0	292.25	382.5	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-02-28 23:59:59.000000	False	0	446
2	NaN	2205	2023-02-13 00:00:24	440	1.0	440.000000	NaN	440.0	440.00	440.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-02-28 23:59:59.000000	False	0	440
3	NaN	2215	2024-01-30 15:43:42	381	1.0	381.000000	NaN	381.0	381.00	381.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2024-01-31 23:59:59.000000	False	0	381
4	NaN	2229	2023-03-30 11:29:33	335	1.0	335.000000	NaN	335.0	335.00	335.0	...	NaN	NaT	NaN	NaN	short_desc	CURRENT	2023-03-31 23:59:59.000000	False	0	335
5	NaN	2230	2023-03-28 19:37:13	335	4.0	219.000000	171.648866	68.0	74.00	205.5	...	NaN	NaT	NaN	NaN	cc	CURRENT	2023-03-31 23:59:59.000000	False	0	335
6	NaN	2233	2023-04-13 10:02:45	319	8.0	427.500000	261.567254	96.0	292.25	382.5	...	NaN	NaT	NaN	NaN	cc	CURRENT	2023-04-30 23:59:59.000000	False	0	319
7	NaN	2235	2023-06-11 19:42:11	314	8.0	427.500000	261.567254	96.0	292.25	382.5	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-06-30 23:59:59.000000	False	0	314
8	NaN	2240	2023-04-24 16:52:54	308	6.0	343.000000	134.747171	221.0	243.00	289.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-04-30 23:59:59.000000	False	0	308
9	NaN	2243	2024-02-06 15:42:59	291	4.0	260.500000	69.294059	157.0	256.75	290.5	...	NaN	NaT	NaN	NaN	comment	RECENT	2024-02-27 04:00:05.845390	False	0	291
10	NaN	2245	2024-02-21 12:49:36	290	4.0	260.500000	69.294059	157.0	256.75	290.5	...	NaN	NaT	NaN	NaN	comment	RECENT	2024-02-27 04:00:05.845390	False	0	290
11	NaN	2251	2023-08-24 16:59:52	270	6.0	343.000000	134.747171	221.0	243.00	289.0	...	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	270
12	NaN	2259	2023-06-15 17:15:02	256	2.0	256.000000	0.000000	256.0	256.00	256.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-06-30 23:59:59.000000	False	0	256
13	NaN	2260	2023-06-15 17:18:45	256	2.0	256.000000	0.000000	256.0	256.00	256.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-06-30 23:59:59.000000	False	0	256
14	NaN	2261	2023-06-21 13:01:39	252	4.0	255.000000	10.099505	249.0	249.00	250.5	...	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	252
15	NaN	2263	2023-06-21 12:59:45	251	7.0	175.285714	100.581168	68.0	68.00	251.0	...	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	251
16	NaN	2264	2023-06-21 12:59:58	251	7.0	175.285714	100.581168	68.0	68.00	251.0	...	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	251
17	NaN	2265	2023-06-21 13:00:12	251	7.0	175.285714	100.581168	68.0	68.00	251.0	...	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	251
18	NaN	2266	2023-06-22 15:10:37	249	4.0	255.000000	10.099505	249.0	249.00	250.5	...	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	249
19	NaN	2267	2023-06-22 15:10:07	249	4.0	255.000000	10.099505	249.0	249.00	250.5	...	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	249
20	NaN	2269	2023-07-07 16:05:57	234	6.0	343.000000	134.747171	221.0	243.00	289.0	...	ramerama@tataelxsi.co.in	2023-07-31 23:59:59	CURRENT	1.0	version	CURRENT	2023-07-31 23:59:59.000000	False	0	234
21	NaN	2271	2023-07-19 18:53:57	227	8.0	427.500000	261.567254	96.0	292.25	382.5	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-07-31 23:59:59.000000	False	0	227
22	NaN	2274	2023-07-20 15:08:35	221	6.0	343.000000	134.747171	221.0	243.00	289.0	...	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	221
23	NaN	2277	2023-07-26 11:00:06	215	1.0	215.000000	NaN	215.0	215.00	215.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-07-31 23:59:59.000000	False	0	215
24	NaN	2278	2023-08-10 09:39:19	215	1.0	215.000000	NaN	215.0	215.00	215.0	...	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	215
25	NaN	2286	2023-09-08 11:17:57	180	1.0	180.000000	NaN	180.0	180.00	180.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-09-30 23:59:59.000000	False	0	180
26	NaN	2287	2023-09-18 23:58:26	165	3.0	257.000000	240.576391	76.0	120.50	165.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-09-30 23:59:59.000000	False	0	165
27	NaN	2288	2023-09-22 15:22:41	157	4.0	260.500000	69.294059	157.0	256.75	290.5	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-09-30 23:59:59.000000	False	0	157
28	NaN	2298	2023-10-26 18:28:56	123	8.0	137.250000	49.660994	102.0	107.75	113.5	...	NaN	NaT	NaN	NaN	cc	CURRENT	2023-10-31 23:59:59.000000	False	0	123
29	NaN	2300	2023-11-02 10:16:46	116	2.0	240.000000	175.362482	116.0	178.00	240.0	...	NaN	NaT	NaN	NaN	blocked	CURRENT	2023-11-30 23:59:59.000000	False	0	116
30	NaN	2303	2023-11-09 07:37:41	115	8.0	137.250000	49.660994	102.0	107.75	113.5	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-11-30 23:59:59.000000	False	0	115
31	NaN	2304	2023-12-11 15:40:49	112	4.0	124.000000	56.733294	76.0	95.50	107.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-12-31 23:59:59.000000	False	21	112
32	NaN	2306	2023-11-16 14:53:53	112	8.0	137.250000	49.660994	102.0	107.75	113.5	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-11-30 23:59:59.000000	False	0	112
33	NaN	2307	2024-02-20 16:25:14	110	7.0	122.285714	35.074750	104.0	106.00	110.0	...	NaN	NaT	NaN	NaN	comment	RECENT	2024-02-27 04:00:05.845390	False	0	110
34	NaN	2308	2024-02-20 16:24:22	110	7.0	122.285714	35.074750	104.0	106.00	110.0	...	NaN	NaT	NaN	NaN	comment	RECENT	2024-02-27 04:00:05.845390	False	0	110
35	NaN	2310	2023-11-09 14:01:03	109	8.0	137.250000	49.660994	102.0	107.75	113.5	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-11-30 23:59:59.000000	False	0	109
36	NaN	2312	2023-11-13 06:08:30	108	7.0	122.285714	35.074750	104.0	106.00	110.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-11-30 23:59:59.000000	False	0	108
37	NaN	2313	2023-11-14 12:17:39	104	7.0	122.285714	35.074750	104.0	106.00	110.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-11-30 23:59:59.000000	False	0	104
38	NaN	2314	2024-02-20 16:27:21	104	7.0	122.285714	35.074750	104.0	106.00	110.0	...	NaN	NaT	NaN	NaN	comment	RECENT	2024-02-27 04:00:05.845390	False	0	104
39	NaN	2315	2023-11-16 10:54:23	104	2.0	108.000000	5.656854	104.0	106.00	108.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-11-30 23:59:59.000000	False	0	104
40	NaN	2316	2023-11-14 18:31:37	104	8.0	137.250000	49.660994	102.0	107.75	113.5	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-11-30 23:59:59.000000	False	0	104
41	NaN	2318	2023-11-16 16:28:43	102	8.0	137.250000	49.660994	102.0	107.75	113.5	...	NaN	NaT	NaN	NaN	short_desc	CURRENT	2023-11-30 23:59:59.000000	False	0	102
42	NaN	2319	2023-11-17 05:47:17	102	4.0	124.000000	56.733294	76.0	95.50	107.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-11-30 23:59:59.000000	False	0	102
43	NaN	2320	2023-11-22 16:37:54	96	8.0	427.500000	261.567254	96.0	292.25	382.5	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-11-30 23:59:59.000000	False	0	96
44	NaN	2321	2023-11-24 17:15:07	96	2.0	106.000000	14.142136	96.0	101.00	106.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-11-30 23:59:59.000000	False	0	96
45	NaN	2322	2023-12-06 06:38:53	82	1.0	82.000000	NaN	82.0	82.00	82.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-12-31 23:59:59.000000	False	0	82
46	NaN	2323	2023-12-12 11:13:39	76	4.0	219.000000	171.648866	68.0	74.00	205.5	...	NaN	NaT	NaN	NaN	blocked	CURRENT	2023-12-31 23:59:59.000000	False	0	76
47	NaN	2324	2023-12-12 11:13:39	76	4.0	124.000000	56.733294	76.0	95.50	107.0	...	NaN	NaT	NaN	NaN	dependson	CURRENT	2023-12-31 23:59:59.000000	False	0	76
48	NaN	2325	2023-12-12 11:13:39	76	3.0	257.000000	240.576391	76.0	120.50	165.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-12-31 23:59:59.000000	False	0	76
49	NaN	2326	2024-02-05 18:34:33	68	4.0	68.000000	0.000000	68.0	68.00	68.0	...	gerardo.garciadeblas@telefonica.com	2023-12-31 23:59:59	CURRENT	1.0	comment	CURRENT	2024-02-27 04:00:05.845390	False	0	68
50	NaN	2328	2023-12-20 14:21:06	68	4.0	219.000000	171.648866	68.0	74.00	205.5	...	NaN	NaT	NaN	NaN	blocked	CURRENT	2023-12-31 23:59:59.000000	False	0	68
51	NaN	2329	2023-12-20 14:21:06	68	1.0	68.000000	NaN	68.0	68.00	68.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-12-31 23:59:59.000000	False	0	68
52	NaN	2330	2023-12-20 14:23:29	68	7.0	175.285714	100.581168	68.0	68.00	251.0	...	gerardo.garciadeblas@telefonica.com	2023-12-31 23:59:59	CURRENT	1.0	blocked	CURRENT	2023-12-31 23:59:59.000000	False	0	68
53	NaN	2331	2023-12-20 14:23:39	68	4.0	68.000000	0.000000	68.0	68.00	68.0	...	gerardo.garciadeblas@telefonica.com	2023-12-31 23:59:59	CURRENT	1.0	assigned_to	CURRENT	2023-12-31 23:59:59.000000	False	0	68
54	NaN	2332	2024-02-02 14:50:02	68	7.0	175.285714	100.581168	68.0	68.00	251.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2024-02-27 04:00:05.845390	False	0	68
55	NaN	2333	2023-12-20 15:09:38	68	4.0	68.000000	0.000000	68.0	68.00	68.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-12-31 23:59:59.000000	False	0	68
56	NaN	2334	2023-12-20 17:06:52	68	7.0	175.285714	100.581168	68.0	68.00	251.0	...	NaN	NaT	NaN	NaN	blocked	CURRENT	2023-12-31 23:59:59.000000	False	0	68
57	NaN	2335	2023-12-20 17:06:52	68	4.0	68.000000	0.000000	68.0	68.00	68.0	...	NaN	NaT	NaN	NaN	comment	CURRENT	2023-12-31 23:59:59.000000	False	0	68

58 rows × 40 columns

3. Temporal evolution

3.1 Number of open bugs