The embodiment of the invention discloses a sanlock implementing method and device. The method comprises the steps that when a distributed lock, namely a sanlock, is connected with a storage battery, internet protocol (IP) communication is started; when a storage IO has preset pressure, the sanlock broadcasts the survivability of a current main unit through the IP communication. By means of the embodiment, the stability of the distributed lock, namely the sanlock, can be ensured through network consultation and shared storage consultation.

Sanlock implementing method and device

Memory bandwidth allocations for a plurality of tenants on a processor socket may be managed by determining a total memory bandwidth for the processor socket, determining a respective share of the total memory bandwidth for each tenant, and determining a respective dynamic memory bandwidth budget for the each tenant. The memory bandwidth allocations may be controlled based on the determined respective dynamic memory bandwidth budgets, wherein the each respective dynamic memory bandwidth budget supports utilizing the each respective share and supports sharing unused memory bandwidth of the each respective tenant with a different tenant included in the plurality of tenants.

Memory bandwidth management for performance-sensitive IaaS

A computer system manages the allocation of memory to an application program using a dependency tree. The dependency tree informs a memory manager of data inputs, data outputs, and intermediate values associated with execution of the application program. The memory manager allocates a single heap structure within a physical memory. Data associated with each node of the dependency tree is allocated to the heap structure so that data input values are allocated in a contiguous block, and intermediate values are allocated separately. In various examples, as execution of the application program proceeds, the separation of intermediate values from non-intermediate values within the heap reduces memory fragmentation providing improved performance of the computer system as a whole.

Memory management system

A method for transferring data utilizing direct memory access. The method includes a computer processor identifying a first computing entity and a second computing entity that are transferring data. The method further includes establishing one or more transmission control protocol networking connections between the first computing entity and the second computing entity. The method further includes determining a shared memory space for the first computing entity and the second computing entity to utilize for transferring the data, wherein the shared memory space includes unused memory space. The method further includes allocating memory space of the determined shared memory space to the first computing entity and the second computing entity and communicating a memory address that corresponds to the allocated memory space. The method further includes transferring the data between the first computing entity and the second computing entity utilizing direct memory access and the allocated memory space.

Network communication between virtual machine applications via direct memory access

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Network communication between virtual machine applications via direct memory access