thanks to everyone who contributed in one way or another :) i'm loving couchdb. never going back to SQL :D
On Thu, Aug 9, 2018 at 1:17 AM Joan Touzet <[email protected]> wrote: > Just a quick follow-up to say that the docker images are officially done: > > https://github.com/docker-library/official-images/pull/4703 > > At this point, we believe the release work is complete. > > -Joan "release engineer hat: off" Touzet > > ----- Original Message ----- > From: "Jan Lehnardt" <[email protected]> > To: [email protected], [email protected], > [email protected], "dev" <[email protected]>, "marketing" < > [email protected]> > Sent: Wednesday, August 8, 2018 4:09:58 AM > Subject: [ANNOUNCE] Apache CouchDB 2.2.0 released > > Dear community, > > Apache CouchDB 2.2.0 has been released and is available for download. > > Apache CouchDB™ lets you access your data where you need it. The Couch > Replication Protocol is implemented in a variety of projects and products > that span every imaginable computing environment from globally distributed > server-clusters, over mobile phones to web browsers. > > Store your data safely, on your own servers, or with any leading cloud > provider. Your web- and native applications love CouchDB, because it speaks > JSON natively and supports binary data for all your data storage needs. > > The Couch Replication Protocol lets your data flow seamlessly between > server clusters to mobile phones and web browsers, enabling a compelling > offline-first user-experience while maintaining high performance and strong > reliability. CouchDB comes with a developer-friendly query language, and > optionally MapReduce for simple, efficient, and comprehensive data > retrieval. > > Download your copy here: > > https://couchdb.apache.org/#download > > Pre-built packages for Windows, macOS, Debian/Ubuntu and RHEL/CentOS are > available. Docker images are in the publication process[1]. > > CouchDB 2.2.0 is a feature release, and was originally published on > 2018-08-08. > > 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! > > See the official release notes document for an exhaustive list of all > changes: > > http://docs.couchdb.org/en/2.2.0/whatsnew/2.2.html > > Release Notes highlights: > > - New pluggable storage engine framework. This internal refactor makes > it possible for CouchDB to use different backends for storing the base > database file itself. The refactor included a full migration of the > existing “legacy” storage engine into the new framework > > - The minimum supported version of Erlang is now R17, not 16B03. Support > for Erlang 21 is still ongoing and will be provided in a future release. > > - The CouchDB replicator can now make use of the /_session endpoint > rather than relying entirely on HTTP basic authentication headers. This can > greatly improve replication performance. > > - CouchDB no longer fails to complete replicating databases with large > attachments. The fix for this issue included several related changes > (GitHub issue 745[2] et.al.) > > - Multiple queries can now be made at the POST /{db}/_all_docs/queries, > POST /{db}/_design_docs/queries and POST /{db}/_local_docs/queries > endpoints. Also, a new endpoint POST > /{db}/_design/{ddoc}/_view/{view}/queries > > - The least recently used (LRU) cache of databases is now only updated > on database write, not read. This has lead to significant performance > enhancements on very busy clusters. > > - The revision stemming algorithm was optimized down from O(N^2) to O(N) > via a depth-first search approach, and then further improved by calling the > stemming operation only when necessary. > > - CouchDB now checks for request authorization only once per each > database request, improving the performance of any request that requires > authorization. > > - If a user specifies a value for use_index that is not valid for the > selector (does not meet coverage requirements or proper sort fields), > attempt to fall back to a valid index or full DB scan rather than returning > a 400. > > - CouchDB now includes a new builtin reduce > function_approx_count_distinct, that uses a HyperLogLog algorithm to > estimate the number of distinct keys in the view index. The precision is > currently fixed to 2^11 observables, and therefore uses approximately 1.5KB > of memory. > > - Much improved documentation. Highlights include: > - A complete rewrite of the sharding documentation[3]. > - Developer installation notes (INSTALL.*.rst) > - Much of the content of the original CouchDB Wiki has been imported > into the official docs. (The old CouchDB Wiki is in the process of being > deprecated.) > > - Much improved Fauxton functionality. Highlights include: > - Search support in the code editor > - Support for relative Fauxton URLs (i.e., not always at /_utils) > - Replication setup enhancements for various authentication mechanisms > - Fixes for IE10, IE11, and Edge (we hope…) > - Resolving conflicts of design documents is now allowed > > - Many more smaller bug fixes and performance improvements, as well as > more features and refinements. See the release notes for a full list: > > http://docs.couchdb.org/en/2.2.0/whatsnew/2.2.html > > On behalf of the CouchDB PMC, > Jan Lehnardt > — > [1]: https://github.com/docker-library/official-images/pull/4703 > [2]: https://github.com/apache/couchdb/issues/745 > [3]: > http://docs.couchdb.org/en/2.2.0/cluster/sharding.html#cluster-sharding > > >
