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TouchDB 1.0

Company: Jens Alfke
Date Added: December 01, 2013  |  Visits: 216

TouchDB

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TouchDB is a lightweight CouchDB-compatible database engine suitable for embedding into mobile apps. Think of it this way: If CouchDB is MySQL, then TouchDB is SQLite.<br /><br />By "CouchDB-compatible" I mean that it can replicate with CouchDB and Couchbase Server, and that its data model and high-level design are "Couch-like" enough to make it familiar to CouchDB/Couchbase developers. Its API will not be identical and it may not support some CouchDB features (like user accounts) that aren't useful in mobile apps. Its implementation is not based on CouchDB's (it's not even written in Erlang.) It does support replication to and from CouchDB.<br /><br />By "suitable for embedding into mobile apps", I mean that it meets the following requirements:<br /><br /> Small code size; ideally less than 256kbytes. (Code size is important to mobile apps, which are often downloaded over cell networks.)<br /> Quick startup time on relatively-slow CPUs; ideally 100ms or less.<br /> Low memory usage with typical mobile data-sets. The expectation is the number of documents will not be huge, although there may be sizable multimedia attachments.<br /> "Good enough" performance with these CPUs and data-sets.<br /><br />And by "mobile apps" I'm focusing on iOS and Android, although there's no reason we couldn't extend this to other platforms like Windows Phone. And it's not limited to mobile OSs -- the initial Objective-C implementation runs on Mac OS as well.<br /><br />More documentation is available on the wiki.

Requirements: No special requirements
Platforms: Mac, Mac OSX
Keyword: 100ms Datasets Documents Expectation Memory Number Typical Usage
Users rating: 0/10

License: Freeware Size: 163.84 KB
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