5 releases (breaking)
new 0.5.1 | Nov 2, 2024 |
---|---|
0.5.0 |
|
0.4.1 | Oct 8, 2024 |
0.4.0 |
|
0.1.1 | Sep 15, 2024 |
#45 in Database implementations
400 downloads per month
440KB
12K
SLoC
OrderWAL
A generic-purpose, atomic, ordered, zero-copy read, zero-cost (in-place) write, Write-Ahead Log implementation for Rust.
English | 简体中文
Introduction
orderwal
is generic-purpose, atomic, ordered, zero-copy read, zero-cost (in-place) write, concurrent-safe, pre-allocate style (memory map) write-ahead-log for developing databases.
orderwal
also supports generic structured key and value types, which is not limited to just bytes like other implementations.
Installation
-
Default (with on-disk support)
[dependencies] orderwal = "0.5"
-
std
only (without on-disk support)[dependencies] orderwal = { version = "0.5", default-features = false, features = ["std"] }
-
no-std
(alloc
required)[dependencies] orderwal = { version = "0.5", default-features = false, features = ["alloc"] }
Example
See examples for more information.
Related projects
aol
: Yet another generic purpose, append-only write-ahead log implementation based onstd::fs::File
.skl
: A lock-free, ARNEA based skiplist implementation, which supports in-memory and on-disk, suitable for frozen durable data file or memtable for LSM database.valog
: A lock-free, generic, lightweight value log for WiscKey or Bitcask architecture databases.dtlog
: A log for tracking discard stats of multi-files databases.
License
orderwal
is under the terms of both the MIT license and the
Apache License (Version 2.0).
See LICENSE-APACHE, LICENSE-MIT for details.
Copyright (c) 2024 Al Liu.
Dependencies
~3–12MB
~155K SLoC