Constraints

**Table 1** CodeArts Pipeline naming conventions
Item	Description
Pipeline name	Supports only letters, digits, hyphens (-), and underscores (_). 1 to 128 characters are allowed.
Rule name	Supports only letters, digits, hyphens (-), and underscores (_). 1 to 128 characters are allowed.
Policy name	Supports only letters, digits, hyphens (-), and underscores (_). 1 to 128 characters are allowed.
Extension name	Supports only spaces, letters, digits, hyphens (-), underscores (_), and periods (.). 1 to 50 characters are allowed.
Parameter name	Supports only letters, digits, and underscores (_). 1 to 128 characters are allowed.

**Table 2** CodeArts Pipeline specifications
Category	Item	Limit
CodeArts Pipeline	Max. pipelines per tenant	5,000
	Max. parallel executions per tenant	5
	Max. tags per tenant	100
	Max. tags per project	100
	Max. parameter groups in a project	5
	Max. groups in a project	100
	Max. templates in a tenant	5000
	Max. templates in a project	100
Single pipeline	Max. stages	16
	Max. jobs	256
	Max. jobs per stage	100
	Max. steps	512
	Max. steps per job	16
	Max. custom parameters	100
	Max. source code repositories	1
	Max. reviewers per review task	10
	Max. times for delayed execution	3
	Max. days for execution records	90
	Max. scheduled tasks	10
	Max. branch listening limits	32
	Max. path listening limits	32

**Table 3** CodeArts Release constraints (limited free trial)
Category	Item	Limit
Cloud native release	Max. environments per project	50
	Max. policies per environment	5
	Max. tasks per policy	10
	Max. custom environment variables per environment	50
	Max. historical versions of custom variables per environment	20

**Table 4** Policy constraints
Category	Item	Limit
Policy management	Max. custom rules per tenant	2,000
	Max. project-level policies per tenant	1,000
	Max. custom policies per tenant	500
	Max. custom policies per project	100
	Max. custom rules per policy	20

**Table 5** Microservice constraints
Category	Item	Limit
Microservice	Max. microservices per tenant	500
Microservice	Max. microservices per project	50

**Table 6** Change constraints
Category	Item	Limit
Change	Max. changes per microservice (including changes in the developing, to-be-released, and releasing states)	50
	Max. work items associated with a change	10
	Max. changes per release pipeline	10