Struct rsdb::LockFreeLog

pub struct LockFreeLog { /* fields omitted */ }

LockFreeLog is responsible for putting data on disk, and retrieving it later on.

Methods

impl LockFreeLog

fn start_system(config: Config) -> LockFreeLog

create new lock-free log

fn flush(&self)

Flush the next io buffer.

Trait Implementations

impl Send for LockFreeLog

impl Sync for LockFreeLog

impl Drop for LockFreeLog

fn drop(&mut self)

A method called when the value goes out of scope.

impl Log for LockFreeLog

fn reserve(&self, buf: Vec<u8>) -> Reservation

Create a log offset reservation for a particular write, which may later be filled or canceled.

fn config(&self) -> &Config

return the config in use for this log

fn write(&self, buf: Vec<u8>) -> u64

Write a buffer to underlying storage.

fn read(&self, id: u64) -> Result<LogRead>

read a buffer from the disk

fn stable_offset(&self) -> u64

returns the current stable offset written to disk

fn make_stable(&self, id: u64)

blocks until the specified id has been made stable on disk

fn punch_hole(&self, id: u64)

deallocates the data part of a log id

fn iter_from(&self, id: u64) -> LogIter<Self>

Return an iterator over the log, starting with a specified offset.