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> memory ballooning[0][1] and other resource-elastic features are available to VMs too If I'm using a public cloud platform's hypervisor, those features may be
by mwcampbell 5y ago
> memory ballooning[0][1] and other resource-elastic features are available to VMs too
If I'm using a public cloud platform's hypervisor, those features may benefit the cloud provider, but not me. Or are you targeting users running a hypervisor on bare metal?
- nderjung 5y agoI think it can benefit both parties -- underprovisioning for a smaller bill and then increasing when demands need it so as to prevent degregation in QoS. That said, if load increases exponentially high it can induce high costs. Some cloud providers do not offer memory (or just any resource) ballooning, like AWS, so there you will experience the problem you have discussed about over-provisioning. However, we aim to alleviate some of these problems with the uniqueness of Unikernels with our soon-to-be-released Cloud Platform at https://unikraft.io https://unikraft.io. Features like memory ballooning (with hard upper limits) and other features like deep in-kernel monitoring to understand application performance.