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  • Wu Jiayu's avatar
    Use prefetcher for level merge (#116) · 812e1977
    Wu Jiayu authored 
    since level merge will read blob files sequentially, we should use prefetcher to accelerate merging.

experiment result:

Load 300GB (average value size 1KB) on Huawei NVME device, time to read blob file reduced about 50%.
Signed-off-by: 's avatarwujy-cs <wujy.cs@gmail.com>
    812e1977
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