Return read-only start of the data

Convenience utils to convert a piece of buffer to a hashed key

Return size in bytes for the data

Return number of elements in this map

return a mutable view where caller can read or modify data

Trailing 0 is not included

Return a read-only view

::time is the fastest for getting the second granularity system clock through the vdso. This is faster than std::chrono::system_clock::now and countin

Approximate total number of entries. O(1), no locking. May be slightly stale under concurrent modifications due to relaxed memory ordering, but avoids

Helper utility that converts a c-style string to a StringPiece

returns the current memory that is allocated in this memory pool.

the configured size of the pool.

returns memory of size, aligned to Slab::kSize

current size of the segment

Retrieve the timestamp for the given key hash without removing it.

adds an instance of key @param key key for the record @return a valid Guard representing the tombstone

Store a timestamp for the given key hash. If inserting a new key causes the shard to exceed capacity, an arbitrary existing entry in the same shard is

4x16k regions

Return capacity of the index in this map

blocks until `isReady() == true`.

pool id for the cache allocations