concurrentlinkedhashmap
left-right
| concurrentlinkedhashmap | left-right | |
|---|---|---|
| 1 | 5 | |
| 458 | 1,901 | |
| - | - | |
| 10.0 | 4.0 | |
| over 3 years ago | 2 days ago | |
| Java | Rust | |
| Apache License 2.0 | Apache License 2.0 |
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concurrentlinkedhashmap
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Writing a concurrent LRU cache
Part 1 makes sense, 2 is a little confusing. The blog post ends up using this Java library: https://github.com/ben-manes/concurrentlinkedhashmap which implements those ideas. I am curious if there is something equivalent implemented in rust, or is it something I should write? Also is there an even better way to do thread-safe performant LRU?
left-right
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SQLite: Wal2 Mode
Very similar to the left-right pattern.
https://github.com/jonhoo/left-right
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I wanna be a crab.
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.
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New ScyllaDB Go Driver: Faster Than GoCQL and Its Rust Counterpart
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.
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Is Aliasing through a ManuallyDrop<T> sound?
For an example of aliasing data soundly see the aliasing module from left-right
- Writing a concurrent LRU cache
What are some alternatives?
Caffeine - A high performance caching library for Java
triple-buffer - Implementation of triple buffering in Rust
moka - A high performance concurrent caching library for Rust
bus - Efficient, lock-free, bounded Rust broadcast channel
concache - A linked-list based, lock-free concurrent hashmap in 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.