gitlab-org / prometheus-storage-migrator

Intro

Conditional complexity (also called cyclomatic complexity) is a term used to measure the complexity of software. The term refers to the number of possible paths through a program function. A higher value ofter means higher maintenance and testing costs (infosecinstitute.com).
Conditional complexity is calculated by counting all conditions in the program that can affect the execution path (e.g. if statement, loops, switches, and/or operators, try and catch blocks...).
Conditional complexity is measured at the unit level (methods, functions...).
Units are classified in four categories based on the measured McCabe index: 1-5 (simple units), 6-10 (medium complex units), 11-25 (complex units), 26+ (very complex units).

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Conditional Complexity Overall

There are 174 units with 4,005 lines of code in units (87.4% of code).

0 very complex units (0 lines of code)
5 complex units (805 lines of code)
16 medium complex units (981 lines of code)
31 simple units (1,018 lines of code)
122 very simple units (1,201 lines of code)

Legend:

51+

26-50

11-25

6-10

1-5

Alternative Visuals

3D view of all units

Conditional Complexity per Extension

51+

26-50

11-25

6-10

1-5

Conditional Complexity per Logical Component

primary logical decomposition

51+

26-50

11-25

6-10

1-5

Most Complex Units

Top 50 most complex units

Unit	# lines	McCabe index	# params
func() in v1storage/persistence.go	161	38	1
func() in v1storage/persistence.go	145	33	1
func() in v1storage/crashrecovery.go	192	30	1
func() in v1storage/heads.go	119	27	1
func newPersistence() in v1storage/persistence.go	188	26	5
func() in v1storage/persistence.go	94	22	1
func() in v1storage/crashrecovery.go	95	22	1
func() in series_migrator.go	73	22	1
func() in v1storage/storage.go	87	21	1
func() in v1storage/series.go	60	17	1
func() in v1storage/persistence.go	64	16	1
func() in v1storage/persistence.go	57	15	1
func() in v1storage/storage.go	65	14	1
func() in v1storage/storage.go	59	13	1
func() in series_migrator.go	51	13	1
func() in v1storage/persistence.go	43	12	1
func() in v1storage/storage.go	49	12	1
func() in v1storage/storage.go	54	12	1
func() in v1storage/storage.go	56	11	1
func() in v1storage/storage.go	31	11	1
func() in v1storage/storage.go	43	11	1
func newHeadsScanner() in v1storage/heads.go	36	10	1
func() in v1storage/storage.go	42	10	1
func() in v1storage/series.go	42	10	1
func() in v1storage/series.go	36	10	1
func() in series_migrator.go	39	10	1
func() in v1storage/mapper.go	30	9	1
func() in v1storage/persistence.go	32	9	1
func() in v1storage/storage.go	38	9	1
func() in v1storage/series.go	28	9	1
func() in v1storage/series.go	33	9	1
func() in v1storage/persistence.go	40	8	1
func() in v1storage/persistence.go	27	8	1
func() in v1storage/persistence.go	30	8	1
func() in v1storage/storage.go	28	8	1
func() in v1storage/storage.go	35	8	1
func() in v1storage/storage.go	32	7	1
func() in v1storage/storage.go	23	7	1
func() in v1storage/storage.go	30	7	1
func() in v1storage/storage.go	46	7	1
func() in v1storage/crashrecovery.go	35	7	1
func() in v1storage/series.go	28	7	1
func() in series_migrator.go	22	7	1
func main() in main.go	67	7	0
func() in v1storage/persistence.go	33	6	1
func() in v1storage/persistence.go	30	6	1
func() in v1storage/storage.go	29	6	1
func() in v1storage/storage.go	26	6	1
func() in v1storage/storage.go	26	6	1
func() in v1storage/storage.go	26	6	1