To improve processing speed for the backup jobs created in Multi-Tenant environments, the Service Provider can switch to the “Hybrid” (recommended) or ”Dynamic” modes of quota allocation.
After altering quota allocation mode in an environment, closely monitor backup infrastructure resources consumption.
This registry value is created on each Veeam Backup & Replication server managed by the Enterprise Manager server (providing the Self-Service Portal) or Veeam Cloud Connect server itself.
Key Location: HKLM\SOFTWARE\Veeam\Veeam Backup and Replication
Value Name: CloudConnectQuotaAllocationMode
Value Type: DWORD (32-Bit) Value
Value Data (Default*): 0
Acceptable Values: 0 | 1 | 2
*0 is the default value for Veeam Backup & Replication versions 10, 10a, 11, and 11a. Starting with Veeam Backup & Replication 12, the new default is 2.
No service restart is needed. The registry value will affect all new tasks that are started after its creation.
For Veeam Cloud Connect jobs, each IO stream for backup file write operations is limited to a maximum of 512MB of data every 15 seconds. For Cloud Director backup jobs that are configured from the vCD self-service portal, the limit is 512MB every 10 seconds.
This approach ensures that every write operation has an equal opportunity to access the storage, especially when slower storage is used.
The Target Data Mover responsible for the data processing requests the quota allocation based on the availability of the current resources combined with the resources needed to process the data sets more efficiently.
Note: High demand for the processing resources may result in a performance impact in slower infrastructure environments. Performance monitoring is advised.
Defaults to the Dynamic quota allocation and resorts to the Default quota allocation as needed.
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