LevelDB

E717513

embedded database key–value storage library log-structured merge-tree database

LevelDB is a fast, lightweight, open-source key–value storage library developed by Google, designed for high-performance reads and writes using a log-structured merge-tree architecture.

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Observed surface forms (1)

Surface form	Occurrences
LevelDB key-value store	1

Statements (51)

Predicate	Object
instanceOf	embedded database ⓘ key–value storage library ⓘ log-structured merge-tree database ⓘ
dataOrdering	lexicographical order of keys ⓘ
defaultCompression	Snappy NERFINISHED ⓘ
designGoal	embeddable in applications ⓘ high read performance ⓘ high write throughput ⓘ lightweight library ⓘ
developer	Google ⓘ
doesNotSupport	SQL NERFINISHED ⓘ concurrent writes from multiple processes to the same database ⓘ network access ⓘ relational data model ⓘ
feature	SSTable files ⓘ checksums for data integrity ⓘ compaction ⓘ configurable block size ⓘ configurable cache size ⓘ memtable ⓘ write-ahead log ⓘ
inspired	HyperLevelDB NERFINISHED ⓘ RocksDB NERFINISHED ⓘ
license	BSD-style license ⓘ New BSD License NERFINISHED ⓘ
openSource	true ⓘ
operatingSystem	cross-platform ⓘ
programmingLanguage	C++ ⓘ
provides	C bindings via third-party wrappers ⓘ C++ API ⓘ
repository	https://github.com/google/leveldb ⓘ
sourceModel	open source ⓘ
storageEngine	log-structured merge-tree ⓘ
supports	Linux NERFINISHED ⓘ Windows NERFINISHED ⓘ arbitrary byte arrays as keys ⓘ arbitrary byte arrays as values ⓘ backward iteration ⓘ batch writes ⓘ compression ⓘ forward iteration ⓘ key–value data model ⓘ macOS NERFINISHED ⓘ ordered mapping from string keys to string values ⓘ range scans ⓘ snapshots ⓘ
usedBy	Apache Cassandra (as an option in some components) NERFINISHED ⓘ Bitcoin Core NERFINISHED ⓘ Google Chrome NERFINISHED ⓘ HyperLevelDB (as a fork) NERFINISHED ⓘ Riak (as a backend option) NERFINISHED ⓘ

Referenced by (5)

Full triples — surface form annotated when it differs from this entity's canonical label.

RocksDB → basedOn → LevelDB ⓘ

Sanjay Ghemawat → knownFor → LevelDB ⓘ

Sanjay Ghemawat → coDesignerOf → LevelDB ⓘ

Sanjay Ghemawat → notableWork → LevelDB ⓘ

this entity surface form: LevelDB key-value store

Caffe → usesDataFormat → LevelDB ⓘ