Limits

This section gives an overview over important resource limits that help ensure the health and security of the Mender Server.

Maximum size of Artifact uploads

The maximum size of pre-built Mender Artifacts that can be uploaded to the Mender Server.

Default: 10 GiB
Override with the Mender Server environment variable: DEPLOYMENTS_STORAGE_MAX_IMAGE_SIZE

Maximum size of single file uploads

The maximum size of single-file type Artifacts generated by the Mender Server with the Generate Artifact endpoint.

Default: 256 MiB
Override with the Mender Server environment variable: DEPLOYMENTS_STORAGE_MAX_GENERATE_DATA_SIZE

Maximum total size of Device inventory

The maximum size of a single Device inventory on the Mender Server. This limit is based on the maximum size of a BSON document in MongoDB, but there are other limits that can limit this further.

Default: 10 MiB
Overriding this limit is not possible

Maximum length of Release names

The maximum length of Release names when creating Releases on the Mender Server.

Default: 256 characters
Overriding this limit is not possible

Maximum length of Mender Configure strings

The maximum length of keys and values in Mender Configure Device attributes.

Default: 4096 characters
Overriding this limit is not possible

Maximum number of active deployments

The maximum number of active and pending deployments per tenant.

Default: No limit
Override with the Mender Server environment variable: DEPLOYMENTS_LIMIT_MAX_ACTIVE_DEPLOYMENTS

Maximum number of tags per Device

The maximum number of tags that can be defined per Device inventory.

Default: 20
Override with the Mender Server environment variable: INVENTORY_LIMIT_TAGS