Patent ID: 9679084
Date: 2017-06-13
CPC Classifications: G06F

Claim:
1. A first node for use in a distributed computing system, the first node comprising: a first main memory, wherein a first memory location in the first main memory is usable to mirror a second memory location in a second main memory on a second node of the distributed computing system, wherein said first memory location stores first data that includes a first data value; one or more sets of program instructions; and one or more processors; where the one or more sets of program instructions, when executed by the one or more processors, would cause the one or more processors to perform the operations of: loading said first data value from the first memory location of the first main memory; determining whether the first data value is the same as a special data value, wherein the special data value is a predetermined value that is used to indicate invalid data; and in response to a determination that the first data value is the same as the special data value: