Granular unmapping with variable addressing in a data store
The systems described herein are configured to enhance the efficiency of memory in a host file system with respect to hosted virtual file systems. In situations when the hosted virtual file systems use smaller file block sizes than the file block sizes of the host file system. During storage of a fi...
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| creator | Hiregoudar, Mahesh S Krishnamurthy, Pradeep Shantharam, Srinivasa Pichai, Raghavan Desai, Asit Aithal, Prasanna Jangam, Prasad Rao Branstetter, Bryan Pasalkar, Rohan |
| description | The systems described herein are configured to enhance the efficiency of memory in a host file system with respect to hosted virtual file systems. In situations when the hosted virtual file systems use smaller file block sizes than the file block sizes of the host file system. During storage of a file, a file block is assigned a block address and unmapping bits. The block address and unmapping bits are stored in a pointer block or other similar data structure associated with the file. Particularly, the block address is stored in a first address block and the unmapping bits are stored in at least one additional address block located in proximity to the block address, such that the unmap granularity of the file is not limited by the fixed size of address blocks in the system. |
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| subjects | CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING PHYSICS |
| title | Granular unmapping with variable addressing in a data store |
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