CacheLib vs pelikan

CacheLib

Pluggable in-process caching engine to build and scale high performance services (by facebook)

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cachelib.org

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pelikan

Pelikan is Twitter's unified cache backend (by twitter)

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CacheLib		pelikan
	Project
3	Mentions	4
1,097	Stars	1,930
3.2%	Growth	0.1%
9.7	Activity	0.0
2 days ago	Latest Commit	7 months ago
C++	Language	C
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.

CacheLib

Posts with mentions or reviews of CacheLib. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-10-01.

Pelikan, Twitter‘s framework for building caches
3 projects | news.ycombinator.com | 1 Oct 2022

Would like to see a comparison between this and Facebook's Cachelib:
https://github.com/facebook/CacheLib
CacheLib, Facebook’s open source caching engine for web-scale services
2 projects | /r/cpp | 2 Sep 2021

[1] https://github.com/facebook/CacheLib/blob/main/BENCHMARKS.md

pelikan

Posts with mentions or reviews of pelikan. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-02-12.

Elon: "[Twitter's] recommendation algorithm was using absolute block count, rather than percentile block count, causing accounts with many followers to be dumped, even if blocks were only 0.1% of followers."
2 projects | /r/elonmusk | 12 Feb 2023

And the engineering team are far from imbeciles because they built one of the worlds' best cache and RPC microservice components. As well as the fact that up until Musk took over the website was running just fine (other than your issue with product decisions).
GitHub - twitter/pelikan: Pelikan is Twitter's unified cache backend
1 project | /r/devopsish | 6 Oct 2022
Pelikan, Twitter‘s framework for building caches
3 projects | news.ycombinator.com | 1 Oct 2022
NoSQL and Key-Value storage systems based on Rust (Redis and Tarantool replacements in Rust)
10 projects | /r/rust | 17 Dec 2021

You forgot https://github.com/twitter/pelikan

What are some alternatives?

When comparing CacheLib and pelikan you can also consider the following projects:

KDiskMark - A simple open-source disk benchmark tool for Linux distros

parity-db - Experimental blockchain database

ArrayFire - ArrayFire: a general purpose GPU library.

lucid - High performance and distributed KV store w/ REST API. 🦀

gsmartcontrol - GSmartControl - Hard disk drive and SSD health inspection tool

rsedis - Redis re-implemented in Rust.

ccache - ccache – a fast compiler cache

PumpkinDB - Immutable Ordered Key-Value Database Engine

HPX - The C++ Standard Library for Parallelism and Concurrency

terminusdb-store - a tokio-enabled data store for triple data

Boost.Compute - A C++ GPU Computing Library for OpenCL

skytable - Skytable is a modern scalable NoSQL database with BlueQL, designed for performance, scalability and flexibility. Skytable gives you spaces, models, data types, complex collections and more to build powerful experiences