CPC G06F 11/1453 (2013.01) [G06F 9/30047 (2013.01); G06F 9/3836 (2013.01); G06F 11/1464 (2013.01)] | 17 Claims |
1. A computer-implemented method comprising:
identifying a plurality of small files to be restored in a deduplication backup system, wherein restoration requires issuing a read request within an input/output (I/O) request to a file system;
placing the small files in a prefetch queue such that a combined size of the small files meets or exceeds a size of the prefetch queue as defined by a prefetch horizon;
issuing, by a queue processor, a read request to the file system for the first file in the queue;
scanning, by the queue processor, the prefetch queue to find a read request for a file at the prefetch horizon; and
prefetching the file at the prefetch horizon.
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