Constraints

This section describes the constraints on CodeArts Deploy.

• Basic constraints

  Table 1 Basic constraints

  Category	Item	Constraint
  Application management	Maximum number of applications in a single project	2000
  	Maximum number of days for which deployment records can be viewed under an application	92
  	Maximum time for deploying an application (minutes)	30
  Basic resource management	Maximum number of host clusters in a project	1000
  	Maximum number of hosts in a host cluster	200
  	Maximum number of hosts whose connectivity is verified in batches	200
  Environment management	Maximum number of environments in a single application	100
  	Maximum number of hosts in a single environment	200
  	Maximum number of hosts whose connectivity is verified in batches	200

• Only OSs listed in the table below are supported.

  Table 2 OSs supported

  OS	Version
  CentOS	6.3, 6.5, 6.8, 6.9, 7.0, 7.1, 7.2, 7.3, 7.4, 7.5, 7.6, 8.0, 8.1, and 8.2
  Debian	9.0.0, 8.8.0, 8.2.0, and 10.0.0
  EulerOS	2.0, 2.2, 2.3, and 2.5
  Huawei Cloud EulerOS	2.0 NOTE: Nginx 1.12.2 and Docker 18.09.0 are incompatible with Huawei Cloud EulerOS 2.0.
  Ubuntu	14.04, 16.04, and 18.04
  Windows	2012 R2, 2016, and 2019
  KylinOS	V10 SP1 NOTE: Nginx 1.12.2 and PHP-5.6.38 are incompatible with KylinOS.

• Only cluster versions listed in the table below are supported.

  Table 3 Cluster versions

  Type	Version
  CCE cluster	1.17–1.25
  Self-managed K8S cluster	1.13–1.15