Module append_vec

Persistent storage for accounts.

For more information, see:

https://docs.solanalabs.com/implemented-proposals/persistent-account-storage

Structs

APPEND_VEC_MMAPPED_FILES_DIRTY

APPEND_VEC_MMAPPED_FILES_OPEN

APPEND_VEC_OPEN_AS_FILE_IO

AppendVec

A thread-safe, file-backed block of memory used to store Account instances. Append operations are serialized such that only one thread updates the internal append_lock at a time. No restrictions are placed on reading. That is, one may read items from one thread while another is appending new items.

AppendVecStoredAccountMeta

References to account data stored elsewhere. Getting an Account requires cloning (see StoredAccountMeta::clone_account()).

Enums

AppendVecError

An enum for AppendVec related errors.

Constants

MAXIMUM_APPEND_VEC_FILE_SIZE

STORE_META_OVERHEAD

size of the fixed sized fields in an append vec we need to add data len and align it to get the actual stored size

Functions

aligned_stored_size

Returns the size this item will take to store plus possible alignment padding bytes before the next entry. fixed-size portion of per-account data written plus ‘data_len’, aligned to next boundary