perf: speed up file cache recovery

[MrCroxx]

On cloud, gp3 with 125 MB/s or 250 MB/s throughput is a general option for applications. Currently, foyer needs to read around 10% data while recovery, with the gp3 throughput limitation, the recovery needs 30s ~ 60s+ to recover 50G data. Which is not acceptable for RW.

As a solution, we can support no data recovery for RW first, then optimize the data format of foyer large object disk cache to make it read less data while recovery.

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