Module cudb::mmapv1::block

Represents a memory block: offset and size.

Structs

Block

Stores a memory block (for a single document).

Statics

HEADER_SIZE

Header size, in bytes.

MAX_BLOCK_SIZE

Maximum block size including header, in bytes.

MIN_BLOCK_SIZE

Minimum block size including header, in bytes. Prevents excessive fragmentation.

Functions

alloc_size

Get the real allocation size (capacity) for a given size data (not including header). This is the smallest power of two (bytes) that will contain the data and header.

Type Definitions

Offset

Indicates a memory offset from the beginning of the pool.

Size

Indicates a memory size.