VirtualBox

Ticket #19582 (new defect)

Opened 8 months ago

Last modified 8 months ago

VirtualBox host, memory management issue, unable to release unused memory of guest

Reported by: stl0hello Owned by:
Component: VMM Version: VirtualBox 6.1.6
Keywords: dynamic memory Cc:
Guest type: Linux Host type: Linux

Description

I have a workstation with 32 GB installed memory.

I create a new Debian virtual machine, and allocate 16 GB to it. When I boot the machine, it only take less than 800 MB memory. As the virtual machine running, especially for heavy tasks. The memory occupation increase. But when I end those tasks, the memory usage of guest machine's OS suddenly reduce, but the memory occupation of virtual machine on host RAM, still keep as the memory upper bound.

I believe that it is the problem of VirtualBox, because even if I reboot (not same as power off and boot) the virtual machine, the RAM usage still keep as Maximum.

I hope VirtualBox can add ability to automatically release unused guest memory.

Change History

comment:1 Changed 8 months ago by yetanothervboxuser

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