Module policy 

Concrete PagingPolicy implementations.

Today: TieredPolicy, a single process-wide byte budget for resident columns. Resident columns can move between Timely workers, so the accounting cannot be thread-local; budget is held in a single AtomicUsize and credited back from whichever thread happens to drop the column.

Structs

TieredPolicy

A single-pool byte budget for resident columns.

Constants

BACKEND_FILE 🔒

BACKEND_SWAP 🔒

CODEC_LZ4 🔒

CODEC_NONE 🔒

Functions

decode_backend 🔒

decode_codec 🔒

encode_backend 🔒

encode_codec 🔒

try_consume 🔒

Atomically subtracts want from atomic if at least want is available. Returns true on success.