Abstract: Communicating a low-latency event across a virtual machine boundary. Based on an event signaling request by a first process running at a first virtual machine, the first virtual machine updates a shared register that is accessible by a second virtual machine. Updating the shared register includes updating a signal stored in the shared register. The first virtual machine sends an event signal message, which includes a register identifier, through a virtualization fabric to the second virtual machine. The second virtual machine receives the event signaling message and identifies the register identifier from the message. Based on the register identifier, the second virtual machine reads the shared register, identifying a value of the signal stored in the shared register. Based at least on the value of the signal comprising a first value, the second virtual machine signals a second process running at the second virtual machine.

Abstract: Communicating a low-latency event across a virtual machine boundary. Based on an event signaling request by a first process running at a first virtual machine, the first virtual machine updates a shared register that is accessible by a second virtual machine. Updating the shared register includes updating a signal stored in the shared register. The first virtual machine sends an event signal message, which includes a register identifier, through a virtualization fabric to the second virtual machine. The second virtual machine receives the event signaling message and identifies the register identifier from the message. Based on the register identifier, the second virtual machine reads the shared register, identifying a value of the signal stored in the shared register. Based at least on the value of the signal comprising a first value, the second virtual machine signals a second process running at the second virtual machine.

Abstract: Techniques for adjusting memory in virtual machines are disclosed. According to aspects, memory status is obtained for a guest operating system. Based on the obtained memory status, an amount of guest physical addresses is reported to a memory manager of the guest operating system. Moreover, the amount of memory assigned to the guest operating system may be adjusted during the runtime operation of the guest operating system.

Abstract: Techniques for adjusting memory in virtual machines are disclosed. According to aspects, memory status is obtained for a guest operating system. Based on the obtained memory status, an amount of guest physical addresses is reported to a memory manager of the guest operating system. Moreover, the amount memory assigned to the guest operating system may be adjusted during the runtime operation of the guest operating system.

Abstract: In one embodiment, a virtual machine manager may use dynamic memory balancing and greedy ballooning to improve guest memory performance. A memory 130 may have a system memory page set with a system memory page set size associated with the virtual machine to support a guest memory page set of the virtual machine with a guest memory page set size. A processor 120 may instruct the virtual machine to execute a reduction of the guest memory page set size. The processor 120 may maintain the system memory page set size during the reduction.

Abstract: In one embodiment, a virtual machine manager may use dynamic memory balancing and greedy ballooning to improve guest memory performance. A memory 130 may have a system memory page set with a system memory page set size associated with the virtual machine to support a guest memory page set of the virtual machine with a guest memory page set size. A processor 120 may instruct the virtual machine to execute a reduction of the guest memory page set size. The processor 120 may maintain the system memory page set size during the reduction.

Abstract: Techniques for adjusting memory in virtual machines are disclosed.

Abstract: Methods and systems consistent with the present invention provide distributed storage systems that are scalable, secure, available, and manageable. These storage systems may utilize a single storage switch and allow resource sharing while securely separating customer data. A snapshot capability may be provided to capture a point-in-time image of the stored data and to track changes made to the stored data relative to a point-in-time image.