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Voldemort does not try to satisfy arbitrary relations and the ACID properties, but rather is a big, distributed, persistent hash table. [2] A 2012 study comparing systems for storing application performance management data reported that Voldemort, Apache Cassandra, and HBase all offered linear scalability in most cases, with Voldemort having the lowest latency and Cassandra having the highest ...
MongoDB: Document (JSON) Yes Yes fail-over Partial Single document atomicity [17] No C++ 10gen GNU AGPL v3.0: Neo4j: Graph database: Yes Yes Yes Yes No Java Neo Technology GNU GPL v3.0: OrientDB: Multi-Model (Graph-Document-Object-Key/Value) Yes Yes [18] Yes [19] Yes [20] Yes Java Orient Technologies Apache 2.0: Redis: Key-value Yes. But last ...
Plex, a cross-platform and open source (GPL) software media player and a closed source media server and entertainment hub, available for macOS, Microsoft Windows, Linux, as well as mobile clients for iOS (including Apple TV (2nd generation) onwards), Android, and Windows Phone. The desktop version of the media player is free while the mobile ...
Windows Media Player 9.0.1: March 24, 2004: Windows Mobile 2003 SE — Windows Media Player 9 Series: June 23, 2003: Windows Mobile 2003 — Windows Media Player 8.5: October 11, 2002: Pocket PC 2002 — Windows Media Player 8.01: July 2002: Pocket PC 2002 — Windows Media Player 8: October 4, 2001 (Pocket PC) Pocket PC 2002 Smartphone 2002 ...
Dynamo is a set of techniques that together can form a highly available key-value structured storage system [1] or a distributed data store. [1] It has properties of both databases and distributed hash tables (DHTs).
It supports the same protocols as Cassandra and the same file formats (SSTable), but is a completely rewritten implementation, using the C++20 language replacing Cassandra's Java, and the Seastar [1] asynchronous programming library replacing classic Linux programming techniques such as threads, shared memory and mapped files.
However, modern NoSQL databases often incorporate advanced features to optimize query performance. For example, MongoDB supports compound indexes and query-optimization strategies, Cassandra offers secondary indexes and materialized views, and Redis employs custom indexing mechanisms tailored to specific use cases.
Apache Cassandra is a free and open-source database management system designed to handle large volumes of data across multiple commodity servers. The system prioritizes availability and scalability over consistency , making it particularly suited for systems with high write throughput requirements due to its LSM tree indexing storage layer. [ 2 ]