ShardedBloom

dht_crawler

Struct ShardedBloom 

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pub struct ShardedBloom { /* private fields */ }
Expand description

分片布隆过滤器 - 减少锁竞争

将单个布隆过滤器拆分为32个分片，每个分片独立锁 不同的hash会落到不同的分片上，大幅减少竞争

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impl ShardedBloom

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pub fn new_for_fp_rate(expected_items: usize, fp_rate: f64) -> Self

创建新的分片布隆过滤器

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pub fn check_and_set(&self, hash: &[u8; 20]) -> bool

检查并设置元素（原子操作）

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pub fn number_of_bits(&self) -> u64

获取实际发现的唯一 InfoHash 数量

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