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Date: Tue, 25 Jun 2013 20:48:37 +0400
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Subject: Re: [VOTE] Merge rcouch
From: Alexander Shorin <kxepal@gmail.com>
To: "dev@couchdb.apache.org" <dev@couchdb.apache.org>
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+1
--
,,,^..^,,,


On Tue, Jun 25, 2013 at 8:43 PM, Benoit Chesneau <bchesneau@gmail.com> wrote:
> Hi All,
>
> I propose to merge rcouch (http://rcouch,org) in the official Apache
> CouchDB repository to a new branch (i.e, *not* master). Once there, the
> full CouchDB developer community can begin the work to incorporate the
> code here into an official release.
>
> You do not need to respond if you are in agreement. If there is no
> response in 72 hours, I will assume lazy consensus. If we reach
> consensus, I will start the IP clearance process and then the merge.
>
> Work is available here:
>
> - couch core: http://github.com/refuge/couch_core
> - rcouch release build system: http://github.com/refuge/rcouch
>
> A tarball containing rcouch and all its dependencies is available here:
>
>     http://dl.refuge.io/rcouch-0.7.1.tar.gz
>
> Installation instructions are available here:
>
>     https://github.com/refuge/rcouch/wiki/Installation
>
> The full documentation is available on the rcouch wiki:
>
>     https://github.com/refuge/rcouch/wiki
>
> # Informations about rcouch
>
> Rcouch is an alternative distribution of Apache CouchDB based for now on
> the 1.3 release. The goal of Rcouch is to provides a simple way to
> customize CouchDB to your needs and easily include it in your own
> architecture. Today you can embed couchdb in your Erlang Application or
> add your own extensions to it and deploy a static release on multiple
> platforms.
>
> supported platforms
>
> Rcouch supports the following platorms:
>
> - Linux x86 & x86_64, armv5, armv7a, armv8
> - Freebsd i386/amd64, OpenBSD i386/amd64 (netbsd not tested)
> - Solaris
> - MacOSX 10.7 and sup
>
> Note: Windows support isn't implemented yet but it should be straightforward
> with latest tools from @dch.
>
> Rcouch works with the R15x and R16x versions of Erlang.
>
> Changes from Apache CouchDB
> Main changes from Apache CouchDB are:
>
> - Refactoring [1] of the codebase with a new release system based on Erlang
>   reltools and rebar, a separations of the applications allowing more
> custumisations and an improved statibiliy of CouchDB (better
> supervision). With this refactoring A release can be fully relocatable
> and is statically linked.
>
> - View changes [2] - Rcouch offers you the possibility to get incremental
>   view changes (ie using the changes API over a view index. View changes
> can be filtered using a javascript function or using the view parameters
> (you can get view changes for a key or a range).
>
> - View-based replication [3] - You can incrementally replication your
>   document using a view to filter them. This replication is based on the
> view changes
>
> - Include deleted documents [4] in view results
>
> - Validate documents on read [5]- Validate if the document can be read by
>   the current user.
>
> - Write-only databases [6]- Only admins and some readers are able to read a
>   database.
>
> - Filter returned fields in changes results [7]
>
> - Some Optimisations and internal changes in the source code [8]. This
>   changes has been added upon the time to fix issues or optimize some
> processing based on the user and customers feedback.
>
> - Custom extensions [9]- It is easy to add custom extensions to your build
>   using the rcouch system. Extensions built-in are
> _random_docs and _db_updates. Some others extensions will be  available in
> the refuge projects.
>
>
> Links:
>
> [1] https://github.com/refuge/rcouch/wiki/refactoring
> [2] https://github.com/refuge/rcouch/wiki/View-Changes
> [3] https://github.com/refuge/rcouch/wiki/Replication-with-view-changes
> [4] https://github.com/refuge/rcouch/wiki/View-Deleted-Documents
> [5] https://github.com/refuge/rcouch/wiki/Validate-documents-on-read
> [6] https://github.com/refuge/rcouch/wiki/Write-only-databases
> [7] https://github.com/refuge/rcouch/wiki/Couch-changes#filter-fields-in-included-doc-when-returned-from-a-_changes
> [8] https://github.com/refuge/rcouch/wiki/Source-Code-Changes
> [9] https://github.com/refuge/rcouch/wiki/Custom-Extensions