Виктория Кондратьева (Редактор отдела «Мир»)
In this case, the behavior is an implementation detail, not particularly defined nor explained anywhere. The mutex is an off-the-shelf parking_lot::RWMutex, from the parking_lot crate. It has eventual fairness, which means that readers will eventually acquire the lock, even during high write-throughput scenarios. They will be randomly delayed, though, up to 0.5ms. The parking_lot crate is a Rust port of WebKit’s original WTF::Lock — this 2024 changeset shows how eventual fairness was implemented there. You should read it, it has very good performance insights on mutex contention. Think of it as a palate cleanser from this blog post. Now back to the hash table & the lock.。line 下載对此有专业解读
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第五十四条 申请人经书面通知，无正当理由不到庭或者未经仲裁庭许可中途退庭的，可以视为撤回仲裁申请。，详情可参考超级工厂
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