99% compatible, You guys the best! 2016-09-20 12:11 GMT+03:00 Jan Lehnardt <[email protected]>: > >> On 20 Sep 2016, at 11:05, Jan Lehnardt <[email protected]> wrote: >> >> The Apache CouchDB development community is proud to announce the immediate >> availability of version 2.0. >> >> See also the official Apache Press Release: >> https://blogs.apache.org/foundation/entry/the_apache_software_foundation_announces99 >> >> CouchDB 2.0 is 99% API compatible >> (http://docs.couchdb.org/en/master/whatsnew/2.0.html#upgrade-notes) with the >> 1.x series and most applications should continue to just work. >> >> # Cluster >> >> CouchDB 2.0’s prime new feature is naive > > *native, of course. *sweat* > >> support for clustering. It is based on the Dynamo paper >> (http://www.allthingsdistributed.com/2007/10/amazons_dynamo.html) and the >> work done at Cloudant and IBM in the BigCouch project which is now fully >> merged into Apache CouchDB project. >> >> In short, clustering means that you can take a set of computers or virtual >> machines in the same data center and make them behave like a single, unified >> CouchDB instance. This has three benefits: >> >> 1. fault tolerance: data is stored on more than one computer. A CouchDB 2.0 >> cluster obviates the need for custom setup of failover CouchDB instances. >> >> 2. performance: data is split up and only a part lives on each node in a >> cluster. That means each node only has a fraction of the work to do (like >> computing a view index) than a single node instance would have. >> >> 3. capacity: with setups of multiple computers storing data, and with data >> being split among nodes, it is now possible to store amounts of data in >> CouchDB that exceed the capacity of a single computer many many times, >> setting CouchDB up for genuine Big Data solutions. >> >> You have full control over all parameters of the cluster to suit every >> project’s needs. >> Note: CouchDB 2.0 can also be configured as a “single node”-cluster, if none >> of the above benefits are relevant to you. >> >> See the CouchDB 2.0 Architecture blog post >> (https://blog.couchdb.org/2016/08/01/couchdb-2-0-architecture/) for more >> information about the clustering technology. >> >> # Easy Queries >> >> The second major feature is the declarative query language “Mango”. Mango is >> easier to use and faster in operation than the existing JavaScript-based >> Views. Of course, JavaScript Views continue to work. >> >> See the Mango Query blog post >> (https://blog.couchdb.org/2016/08/03/feature-mango-query/) for more >> information about Mango. >> >> # New Admin Interface >> >> CouchDB 2.0 comes with a completely rewritten administration interface >> (nickname “Fauxton”), built in React.js. It sports a modern look, advanced >> features and a code-base that is easy to contribute to. >> >> See Fauxton, the new CouchDB Dashboard for more info. >> >> # Performance >> >> Both the replicator and compactor have undergone significant performance >> improvements that will speed up replication between CouchDB instances as >> well as PouchDB (https://pouchdb.com/) and Couchbase Lite instances. >> >> Compaction can now be run at any time, even continuously, with an >> i/o-queueing system ensuring that live requests are not slowed down while >> compaction is running. >> >> In addition: the compaction process is shorter, uses less CPU and RAM, >> produces smaller database files and freshly compacted databases are >> significantly faster to read from. >> >> See Feature: Replication (https://blog.couchdb.org/2016/08/15/) and Feature: >> Compaction (https://blog.couchdb.org/2016/08/10/) for more info. >> >> # New Logo >> >> CouchDB 2.0 comes with a brand new Logo, designed by Constantin Angheloui. >> The website, docs and other materials have been updated. See the CouchDB 2.0 >> branding guide for details: >> https://github.com/apache/couchdb-www/blob/asf-site/CouchDB-visual-identity/CouchDB-brand-book.pdf >> >> # More Details >> >> For more details, please refer to our 2.0 blog post series: >> https://blog.couchdb.org/2016/08/23/check-out-the-road-to-couchdb-2-0-series/ >> >> # Download >> >> Apache CouchDB 2.0 downloads are available from the official website: >> http://couchdb.apache.org/#download. >> >> # Acknowledgements >> >> The community would like to thank all contributors for their part in making >> this release, from the smallest bug report or patch to major contributions >> in code, design, or marketing, we couldn’t have done it without you! >> > > -- > Professional Support for Apache CouchDB: > https://neighbourhood.ie/couchdb-support/ >
-- github: https://github.com/OpakAlex
