pub const READ_LATENCY_BUCKETS: usize = 13;Available on Unix and crate feature
pool only.Expand description
Number of read-latency buckets. Bucket i < READ_LATENCY_BUCKETS - 1
counts reads that took less than 32 µs << i and, for i > 0, at least
16 µs << i. The last bucket counts reads of 65.536 ms and more.