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Granular Resource Limit Management brings the concept of tagged resource limits and improves CloudStack APIs and orchestration framework to allow listing, filtering and deploying instances and volumes with suitable offerings on the specific compute and storage resources. Currently the tagged resources primarily in CloudStack are hosts, storage pool, which are matched against offering related tags during placement, allocation or deployment. Resource limits on tags would allow admins and service providers to limit accounts/domains to usage of tagged resources. For example, place limits on accounts/domain to have a max. allow number VMs on hosts with GPU, x86 and ARM tags to limits how they access specialised hardware.

CloudStack already supports managing account and domain resource limits, ie, the amount of compute, storage and network resources used by the account or domain. But in some cases, the operator may wish even enforce certain limits for specialized hardware. Therefore,  this feature allows adding granular limit on the following host and storage resource types with host and storage tag functionality:

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