left-right vs concache

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left-right		concache
	Project
5	Mentions	1
1,898	Stars	157
-	Growth	-
5.6	Activity	10.0
8 months ago	Latest Commit	over 4 years ago
Rust	Language	Rust
Apache License 2.0	License	Apache License 2.0

The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

left-right

Posts with mentions or reviews of left-right. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-02-27.

SQLite: Wal2 Mode
1 project | news.ycombinator.com | 15 Jan 2024

Very similar to the left-right pattern.
https://github.com/jonhoo/left-right
I wanna be a crab.
16 projects | /r/rust | 27 Feb 2023

C is much better specified than unsafe Rust. Some things are just not worked out yet in Rust. This may sometimes even bite very experienced devs, such as this issue with Box's aliasing semantics, which tripped up the author of left-right.
New ScyllaDB Go Driver: Faster Than GoCQL and Its Rust Counterpart
6 projects | news.ycombinator.com | 13 Oct 2022

Do you mean this? https://github.com/jonhoo/left-right
I am not sure of the performance or implementation difficulty but the data structure seems to be what you are talking about.
Is Aliasing through a ManuallyDrop<T> sound?
1 project | /r/rust | 22 Jul 2022

For an example of aliasing data soundly see the aliasing module from left-right
Writing a concurrent LRU cache
11 projects | /r/rust | 10 Dec 2021

concache

Posts with mentions or reviews of concache. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2021-12-10.

Writing a concurrent LRU cache
11 projects | /r/rust | 10 Dec 2021

Concache ( https://github.com/saligrama/concache ) is the only crate that came up easily in a search, but I don't know whether it would be easily adaptable if it needed tweaks. You might could try forking it anyway.

What are some alternatives?

When comparing left-right and concache you can also consider the following projects:

triple-buffer - Implementation of triple buffering in Rust

concurrentlinkedhashmap - A ConcurrentLinkedHashMap for Java

bus - Efficient, lock-free, bounded Rust broadcast channel

moka - A high performance concurrent caching library for Rust

dashmap - Blazing fast concurrent HashMap for Rust.

evlru - An eventually consistent LRU designed for lock-free concurrent reads

stretto - Stretto is a Rust implementation for Dgraph's ristretto (https://github.com/dgraph-io/ristretto). A high performance memory-bound Rust cache.

ristretto - A high performance memory-bound Go cache

Caffeine - A high performance caching library for Java