Can I add RAM during operation
Linux instances can be assigned more RAM while running, without requiring a reboot of the server. At ProfitBricks this is called Live Vertical Scaling (LVS. Please note: when this feature is enabled for the first time it will require a restartand when reducing RAM the virtual server will restart as part of the provisioning process. There is no support for Live Vertical Scaling (LVS) of RAM for Windows, and enabling this feature can lead to errors and instability.
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Additional FAQs and support information can be found on the following resources:
ProfitBricks Cloud Computing Blog
ProfitBricks Press & Infocenter