Techniques for reducing read I/O latency in virtual machines
US9342248B2 · kind B2 · utility
0Cited by
3References
20Claims
0Family size
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Key dates
| Filing date | Apr 29, 2014 |
| Grant date | May 17, 2016 |
| Priority date | — |
| Expiry date | Dec 26, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2212/657
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A computer implemented method for reducing the latency of an anticipated read of disk blocks from a swap file in a virtualized environment. The environment includes a host swap file maintained by a host operating system and a guest swap file maintained but a guest operating system. First, the method identifies a sequence of disk blocks that was written in the guest swap file. The method then detects within the sequence of blocks a first disk block that contains a reference to a second disk block that is stored in the host swap file. The method then replaces the first disk block in the guest swap file with the second disk block.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.