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Top 23 Key-Value Open-Source Projects
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Redis
Redis is an in-memory database that persists on disk. The data model is key-value, but many different kind of values are supported: Strings, Lists, Sets, Sorted Sets, Hashes, Streams, HyperLogLogs, Bitmaps.
Redis: An open-source, in-memory key-value store database.
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Project mention: Boost Kubernetes Efficiency: Upgrade to v1.14 in 11 Easy Steps! | dev.to | 2024-10-09
ETCD_VER=v3.3.15 # choose either URL GOOGLE_URL=https://storage.googleapis.com/etcd GITHUB_URL=https://github.com/etcd-io/etcd/releases/download DOWNLOAD_URL=${GOOGLE_URL} rm -f /tmp/etcd-${ETCD_VER}-linux-amd64.tar.gz rm -rf /usr/local/etcd && mkdir -p /usr/local/etcd curl -L ${DOWNLOAD_URL}/${ETCD_VER}/etcd-${ETCD_VER}-linux-amd64.tar.gz -o /tmp/etcd-${ETCD_VER}-linux-amd64.tar.gz tar xzvf /tmp/etcd-${ETCD_VER}-linux-amd64.tar.gz -C /usr/local/etcd --strip-components=1 rm -f /tmp/etcd-${ETCD_VER}-linux-amd64.tar.gz /usr/local/etcd/etcd --version ETCDCTL_API=3 /usr/local/etcd/etcdctl version # start etcd server /usr/local/etcd/etcd -name etcd-1 -listen-peer-urls http://10.0.1.1:2380 -listen-client-urls http://10.0.1.1:2379,http://127.0.0.1:2379 -advertise-client-urls http://10.0.1.1:2379,http://127.0.0.1:2379
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MMKV
An efficient, small mobile key-value storage framework developed by WeChat. Works on Android, iOS, macOS, Windows, and POSIX.
react-native-mmkv is a wrapper around MMKV that allows you to easily implement secure storage in your app. It is arguably the fastest key-value storage for React Native apps
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valkey
A flexible distributed key-value datastore that supports both caching and beyond caching workloads.
If you upgraded to 7.4, then redis switched to a proprietary dump format, and if you want to use those dumps you'll have to use a third-party tool to dump the data and put it back in valkey.
https://github.com/valkey-io/valkey/issues/845#issuecomment-...
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Project mention: Show HN: Restate, low-latency durable workflows for JavaScript/Java, in Rust | news.ycombinator.com | 2024-06-12
Restate is built as a sharded replicated state machine similar to how TiKV (https://tikv.org/), Kudu (https://kudu.apache.org/kudu.pdf) or CockroachDB (https://github.com/cockroachdb/cockroach) are designed. Instead of relying on a specific consensus implementation, we have decided to encapsulate this part into a virtual log (inspired by Delos https://www.usenix.org/system/files/osdi20-balakrishnan.pdf) since it makes it possible to tune the system more easily for different deployment scenarios (on-prem, cloud, cost-effective blob storage). Moreover, it allows for some other cool things like seamlessly moving from one log implementation to another. Apart from that the whole system design has been influenced by ideas from stream processing systems such as Apache Flink (https://flink.apache.org/), log storage systems such as LogDevice (https://logdevice.io/) and others.
We plan to publish a more detailed follow-up blog post where we explain why we developed a new stateful system, how we implemented it, and what the benefits are. Stay tuned!
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github.com/dgraph-io/badger/v3/table.OpenTable(0xc000bb4000, {0x0, 0x1, 0x200000, 0x0, 0x0, 0x3f847ae147ae147b, 0x1000, 0x0, 0x0, ...})
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ArangoDB
🥑 ArangoDB is a native multi-model database with flexible data models for documents, graphs, and key-values. Build high performance applications using a convenient SQL-like query language or JavaScript extensions.
ArangoDB — Native multi-model database supporting graph, document, and key-value data models.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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garnet
Garnet is a remote cache-store from Microsoft Research that offers strong performance (throughput and latency), scalability, storage, recovery, cluster sharding, key migration, and replication features. Garnet can work with existing Redis clients.
Project mention: Redis users considering alternatives after licensing move | news.ycombinator.com | 2024-09-21 -
immudb
immudb - immutable database based on zero trust, SQL/Key-Value/Document model, tamperproof, data change history
Project mention: Ask HN: What is your experience of tamper proof systems? | news.ycombinator.com | 2024-01-05 -
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buntdb
BuntDB is an embeddable, in-memory key/value database for Go with custom indexing and geospatial support
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Project mention: Ask HN: Good examples of fault-tolerant Erlang code? | news.ycombinator.com | 2023-12-28
Step zero is definitely the OTP Design Principles doc (part of the OTP distribution):
https://www.erlang.org/doc/design_principles/users_guide
There are some good texts that have more examples:
Erlang & OTP in Action - https://www.manning.com/books/erlang-and-otp-in-action
Designing for Scalability with Erlang/OTP - https://www.oreilly.com/library/view/designing-for-scalabili...
One big example of distributed Erlang is Riak:
https://github.com/basho/riak
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Yeah, it'd be much nicer if libraries were designed to be driver agnostic, like redka which supports 4 different SQLite drivers:
https://github.com/nalgeon/redka/tree/main/example
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nutsdb
A simple, fast, embeddable, persistent key/value store written in pure Go. It supports fully serializable transactions and many data structures such as list, set, sorted set.
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Olric
Distributed, in-memory key/value store and cache. It can be used as an embedded Go library and a language-independent service.
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FlashDB
An ultra-lightweight database that supports key-value and time series data | 一款支持 KV 数据和时序数据的超轻量级数据库
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ejdb
:snowboarder: EJDB2 — Embeddable JSON Database engine C library. Simple XPath like query language (JQL).
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SaaSHub
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NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
Key-Value discussion
Key-Value related posts
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Rearchitecting: Redis to SQLite
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Set up a Redis Sentinel
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Valkey 8.0.0 Is Out
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Valkey 8.0 Released as Speedy Redis Fork Achieving One Million RPS
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No longer just a Redis clone; Valkey 8.0 is GA
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Redis has adopted the fast_float C++ library for faster number parsing
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Best Databases for Real-Time Updates in Next.js
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A note from our sponsor - CodeRabbit
coderabbit.ai | 16 Oct 2024
Index
What are some of the best open-source Key-Value projects? This list will help you:
| Project | Stars | |
|---|---|---|
| 1 | Redis | 66,572 |
| 2 | etcd | 47,574 |
| 3 | MMKV | 17,311 |
| 4 | valkey | 16,565 |
| 5 | tikv | 15,116 |
| 6 | badger | 13,854 |
| 7 | ArangoDB | 13,540 |
| 8 | Apache ZooKeeper | 12,186 |
| 9 | garnet | 10,235 |
| 10 | immudb | 8,573 |
| 11 | rosedb | 4,583 |
| 12 | buntdb | 4,551 |
| 13 | dynomite | 4,193 |
| 14 | Hive | 4,062 |
| 15 | Riak | 3,944 |
| 16 | redka | 3,469 |
| 17 | nutsdb | 3,380 |
| 18 | Olric | 3,139 |
| 19 | ImmortalDB | 3,049 |
| 20 | Keyv | 2,581 |
| 21 | FlashDB | 1,857 |
| 22 | ejdb | 1,447 |
| 23 | kv.js | 1,441 |
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