armdb 0.1.12

sharded bitcask key-value storage optimized for NVMe
Documentation 
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/// Position of an entry's value on disk.
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
#[repr(C)]
pub struct DiskLoc {
    pub offset: u32,
    pub len: u32,
    pub file_id: u16,
    pub shard_id: u8,
    _pad: u8,
}

impl DiskLoc {
    #[inline]
    pub fn new(shard_id: u8, file_id: u16, offset: u32, len: u32) -> Self {
        Self {
            offset,
            len,
            file_id,
            shard_id,
            _pad: 0,
        }
    }
}