dain/leveldb

Health v2 · maintenance only

Flags: no_releases

Adoption not part of the score

1557 stars · 418 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

A pure-Java port of Google's LevelDB embedded key-value store, aiming for byte-for-byte file compatibility with the C++ original. It provides put/get/delete operations, batch writes, iterators, snapshots, and custom comparators through a familiar LevelDB-style API.

Use cases

• embed a fast key-value store in a Java application without native dependencies
• read or write LevelDB files from the JVM with byte-for-byte compatibility
• store and iterate key/value pairs with snapshot-consistent reads
• perform atomic batch updates to an embedded database
• replace RocksDB/LevelDB native bindings with a pure Java implementation

When to choose

• you need an embedded LSM key-value store on the JVM with no native libraries
• you must interoperate with data files created by the C++ LevelDB
• you want a lightweight, dependency-free persistent store for Java

When to avoid

• you need heavy write throughput or active development and support
• you need multi-node or client-server database features
• you require rigorous production hardening - the project notes only trivial testing and sees infrequent releases

Facets

library · maturity maintenance

database database-driver serialization databases developer-tools backend jvm cross-platform leveldb key-value-store embedded-database java-port log-structured-storage

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