CouchDB

Monday Feb 24, 2014

Cloudant and IBM: Our Commitment to Apache CouchDB

IBM have announced that they are acquiring Cloudant.

Adam Kocoloski is co-founder and CTO of Cloudant as well as serving on CouchDB's Project Management Committee. And with his permission, I am re-posting an email he sent to the CouchDB developer list a few hours ago.

In his words:

"Apache CouchDB means a great deal to me, and to Cloudant as a company. Cloudant and CouchDB have grown alongside each other over the past several years in one of the more authentic vendor/community collaborations I can think of in Apache history. Today marks the next step in Cloudant’s growth as we enter into a definitive agreement to become part of IBM.

"What does this mean for CouchDB? I would not have agreed to this transaction if I had any concerns about Cloudant’s ability to continue its contributions and collaboration with Apache CouchDB. IBM has a strong track record in open source software and a productive relationship with Apache; in fact, IBM was instrumental in bringing CouchDB to the ASF many years ago. IBM is fully supportive of our efforts here, and I’m looking forward to bringing increased resources to bear in support of the project.

"CouchDB has the potential to shape the future of distributed data management and computing. 2013 was a year of tremendous progress, as we doubled our committer base and shipped no fewer than eight releases. Already in 2014 we’ve seen amazing progress on long-standing initiatives to enhance the core of the system. The timing is right — in the market and for the community — to take the next big step forward. With your help, that is exactly what we will do.

"Truly, the future of CouchDB is CouchDB."

Thanks Adam!

I'd like to extend my hearty congratulations to everyone at Cloudant.

The future for CouchDB looks very interesting...

Thursday Feb 13, 2014

Packages for Ubuntu 12.04 Precise

I’m delighted to announce the availability of Apache CouchDB Ubuntu Precise (12.04) packages, with integrated upstart support.

These have been contributed with support from Mobius Medical Systems, LP, who use Apache CouchDB in their product Mobius3D/FX for oncology and radiology, and funded the development of this work through the Couch Firm.

This would not have been possible without the assistance of Jason DeRose (who has lead the 1.5.0 package going into the next Ubuntu Trusty release), and Noah Slater, who was surprised on reviewing the package to find so much of his original work there!

Installation should be straightforward, usual caveats around making backup before upgrading precautions apply, noting that between 1.0.1 and 1.5.0 there are a number of key changes, including the on-disk data format used by the .couch files was upgraded. Although it should keep your dbs intact and do the right thing for your local.ini files, always have a backup - or two!

sudo apt-get install python-software-properties -y
sudo add-apt-repository ppa:couchdb/stable -y
sudo apt-get update -y
# remove any existing couchdb
sudo apt-get remove couchdb couchdb-bin couchdb-common -yf
# see my shiny 1.5.0 goodness
sudo apt-get install -V couchdb
    Reading package lists... Done
    Building dependency tree
    Reading state information... Done
    The following extra packages will be installed:
       couchdb-bin (1.5.0-0ubuntu2)
       couchdb-common (1.5.0-0ubuntu2)
       couchdb (1.5.0-0ubuntu2)
     … Y …

# manage via upstart
sudo stop couchdb
    couchdb stop/waiting
sudo start couchdb
    couchdb start/running, process 3541
…

You can of course modify or duplicate the /etc/init/couchdb.conf script, to support running multiple CouchDB instances or users on the same box.

Note there's also a couchdb/dev PPA which will be used for testing and updating the next release, e.g. the upcoming 1.6.0, before switching it over to the stable branch once it's had enough eyes on it.

Friday Dec 20, 2013

The State of CouchDB

This is a rough transcript of the CouchDB Conf, Vancouver Keynote.

Welcome

Good morning everyone. I thank you all for coming on this fine day in Vancouver. I’m very happy to be here. My name is Jan Lehnardt and I am the Vice President of Apache CouchDB at the Apache Software Foundation, but that’s just a fancy title that means I have to do a bunch of extra work behind the scenes. I’m also a core contributor to Apache CouchDB and I am the longest active committer to the project at this point.

I started helping out with CouchDB in 2006 and that feels like a lifetime ago. We’ve come a long way, we’ve shaped the database industry in a big way, we went though a phoenix from the ashes time and came out still inspiring future generations of developers to do great things.

So it is with great honour that I get to be here on stage before you to take a look at the state of CouchDB.

Numbers

I’d like to start with some numbers:

  • In 2013 we added 15 committers to the project, up to a total of 30. Thats 2x the number of people regularly contributing to CouchDB!
  • The year isn’t yet over, but these committers already created 3x the commits of 2012. And they have committed more than in any other year in CouchDB’s history.
  • We have shipped eight releases: 1.0.4 1.1.2, 1.2.1, 1.2.2, 1.3.0, 1.3.1, 1,4.0 and 1.5.0 just this year, that is up from one(!) last year.
    • thanks to our new release schedule we are getting more features to more people faster by focusing on small iterative changes forward.
  • 20% more JIRA tickets and 50% more GitHub issues

We have made a lot of changes in 2012 to make 2013 a great year for CouchDB and it sure looks like we succeeded and that 2014 is only going to trump that.

I’d like to thank everyone on the team for their hard work.

Currently

We’ve just shipped CouchDB 1.5.0 last week and it comes with a few exciting new things as previews, for you to try out and play with and report any issues with back to us. And that is on top of all the regular bug fixing and other improvements.

  1. A completely new developed admin UI, nicknamed Fauxton, that is poised to replace the much-loved, but increasingly dated Futon. I’d like to personally thank the Fauxton team: Sue “Deathbear” Lockwood, Russell “Chewbranca” Branca, Garren Smith and many more volunteers for their work as well as the company Cloudant for sponsoring a good chunk of that work. Great job everyone! Fauxton is going to be replacing Futon in one of the next few releases and will give us the foundation for the next stage of CouchDB’s life.

  2. Plugins. While it was always possible to write plugins for CouchDB, you kind of had to be an expert in CouchDB to get started. We believe that writing plugins is a great gateway drug to getting more people to hack on CouchDB proper, so we made it simpler to build plugins and to install plugins into a running instance of CouchDB. It is still very early days, we don’t even have a plugin registry yet, but we are surely excited about the prospects of installing GeoCouch with a single click of a button in Futon or Fauxton. We also included a template plugin that you can easily extend and make your own, along with a guide to get you started.  

    The plugins effort also supports a larger trend we are starting to follow with the CouchDB core codebase: decide on a well-defined core set of functionality and delegate more esoteric things to a rich plugin system That means we no longer have to decline the inclusion of useful code like we’ve done in the past, because it wasn’t applicable to the majority of CouchDB users. Now we can support fringe features and plugins that are only useful to a few of our users, but who really need them.

  3. A Node.JS query server. CouchDB relies on JavaScript for a number of core features and we want to continue to do so. In order to keep up with the rapid improvements made to the JavaScript ecosystem we have tentative plans to switch from a Spidermonkey-driven query server to a V8-driven one. In addition, the Node.js project has a really good installation story, something that we had trouble with in the past, and includes a few utilities that make it very easy for us to switch the query server over.

    All this however is not to blindly follow the latest trends, but to encourage the community to take on the query server and introduce much needed improvements. The current view server is a tricky mix of JS, Erlang and C and we are not seeing many people daring to jump into that. In a second step we expect these improvements to trickle down to the other query server implementations like Python or PHP and make things better for everyone. For now this is also a developer preview and we are inviting all Node.js developers to join us and build a a better query server.

  4. Docs landed in 1.4.0, but 1.5.0 is seeing a major update to the now built-in documentation system. With major thanks to Alexander Shorin, Dirkjan Ochtmann and Dave Cottlehuber who were instrumental in that effort, CouchDB now has “really good docs” instead of a “really crappy wiki”, that are shipped with every release and are integrated with Futon and Fauxton.

Beyond

The immediate next area of focus for the CouchDB project is the merging of two forks: BigCouch and rcouch.

BigCouch is a Dynamo implementation on top of CouchDB that manages a cluster of machines and makes them look as a single one, adding performance improvements and fault tolerance to a CouchDB installation. This is a major step in CouchDB’s evolution as it was designed for such a system from the start, but the core project never included a way to use and manage a cluster. Cloudant have donated their BigCouch codebase to the Apache project already and we are working on an integration.

rcouch is a what I would call a “future port” of CouchDB by longtime committer and contributor Benoit Chesneau. rcouch looks like CouchDB would, if we started fresh today with a modern architecture. Together with BigCouch’s improvements, this will thoroughly modernise CouchDB’s codebase to the latest state of the art of Erlang projects. rcouch also includes a good number of nifty features that make a great addition to CouchDB’s core feature set and some great plugins.

Finally, we’ve just started an effort to set up infrastructure and called for volunteers to translate the CouchDB documentation and admin interface into all major languages. Driven by Andy Wenk from Hamburg, we already have a handful of people signed up to help with translations for a number of different languages.

This is going to keep us busy for a bit and we are looking forward to ship some great releases with these features.

tl;dr

2013 was a phenomenal year for Apache CouchDB. 2014 is poised to be even greater, there are more people than ever pushing CouchDB forward and there is plenty of stuff to do and hopefully, we get to shape some more of the future of computing.

Thank you!

Saturday Nov 09, 2013

CouchDB will go multilingual - looking for contributors!

The Apache CouchDB project is pleased to announce the creation of a localization team. The l10n@couchdb.apache.org mailing list has been set up to cover everything l10n- and i18n-related in Apache CouchDB.

The first steps will be to set up some tools to enable easy translation of the documentation and (at a later point) the administration interface (Futon/Fauxton). We are looking for people who want to help out. Would you like to read the CouchDB documentation in another language, and have some time to spare? Please help out! Bonus points if you have experience with translation or localization-related tools and best practices.

We’re just getting started: we have some ideas on how to get started, but we need more help. If you’re interested, please subscribe to l10n@couchdb.apache.org and let us know!

Cheers from the Apache CouchDB I10n team

Tuesday Nov 05, 2013

CouchDB Conf is Next Week

It’s almost time for CouchDB Conf, held in Vancouver on November the 13th. That’s the day before Cascadia JS. If you don’t have your ticket to CouchDB Conf yet, there’s still time secure a place. Come meet the community, and learn about the future of CouchDB. The ticket includes a reception at Cascadia JS, which starts the day after CouchDB Conf.

Purchase your ticket for CouchDB Conf now

The conference will include sessions that span Apache CouchDB and related technologies — covering everything from getting started to advanced features as well as CouchDB internals, application development, and best practices. Attendees will also get updates on other projects in the community such as PouchDB, a Web browser-based database capable of replicating data with Apache CouchDB and other compatible databases. Featured speakers include Jan Lehnardt, Hoodie; Joan Touzet, Atypical; Brian Benz, Microsoft; and Dale Harvey, Mozilla.

Featured Discussions:

  • Apache CouchDB is the database that replicates. CouchDB-style replication is now supported in a wide range of databases that live in browsers (PouchDB), mobile (TouchDB), and the cloud. Many of the talks will cover various aspects of using replication and modeling your data to work with it.
  • Fauxton is the new Futon, CouchDB's Web-based administration console. Fauxton brings a fresh, modular approach to UI for Apache CouchDB. It is available at /_fauxton in Apache CouchDB 1.5, and will eventually become the new /_utils UI.

Apache CouchDB Conf is the event to attend to expand knowledge, meet project committers and contributors, and find out where Apache CouchDB is headed.

Visit the conference website for more information.

We hope to see you there!

Thursday Oct 10, 2013

Registration Is Open for CouchDB Conf, Nov 13th

CouchDB Conf is a one-day conference in Vancouver, Canada on November 13, 2013. I am excited to let you know that registration is now open! Early bird tickets are $150, and are available until October 13th. (So get yours quick!)

Purchase your ticket for CouchDB Conf now

CouchDB Conf will convene 200 developers and technology evangelists. They will come together to learn about CouchDB, related technologies, and new projects in the community. The agenda will cover everything from getting started to advanced features and internals, app development, and best practices.

View the confirmed speakers

We expect the conference to sell out quickly, so register today to avoid disappointment!

Tuesday Aug 13, 2013

Announcing CouchDB Conf in Vancouver

We’re excited to announce the next Apache CouchDB Conf will be in Vancouver, Canada on November 13, 2013. Big thanks to Cloudant to helping to make this happen!

Sign up to get notified when CouchDB Conf tickets go on sale.

We’re building the schedule with talks from all corners of the CouchDB community and hope to see you there this fall. This is a follow-up to our CouchDB Conf in Berlin, where we laid the groundwork for the BigCouch merge and other exciting features you'll hear about in Vancouver (geospatial data and PouchDB for mobile devices to name two).

We’ll be in Vancouver, BC the day before CascadiaJS 2013, which will be held November 14-15. Sign up to get notified when the next batch of CascadiaJS tickets go on sale. The Early Bird tickets sold out in 20 minutes!

There's lots of crossover between the JavaScript and CouchDB communities. Data-driven web apps and CouchDB makes it a natural fit. So we hope you'll be able to stick around and experience what both conferences have to offer.

We’ll plan to keep running these Apache CouchDB Confs. Got suggestions? Feedback? Wanna help us with our next one? Get in touch publicly, or privately. You can also tweet us at @CouchDB. Whatever suits!

Thursday Jul 25, 2013

Welcome BigCouch

Good news! Cloudant has announced the completion of the BigCouch merge. This is a huge step forward for CouchDB. So thank you to Cloudant, and thank you to the committers (particularly Robert Newson and Paul Davis) who slogged (and travelled the world to pair with each other) to make this happen.

What does this mean? Well, right now, the code is merged, but not released. So hold your clicks just a moment! Once the code has been tested, we will include it in one of our regular releases. (If you want to help us test, hop on to the dev@ mailing list!)

What’s new? The key accomplishment of the merged code is that BigCouch’s clustering capability, along with the rest of Cloudant’s other enhancements to CouchDB’s code base, will now be available in Apache CouchDB. This also includes improvements in compaction and replication speed, as well as boosts for high-concurrency access performance.

Painless replication has always been CouchDB's biggest feature. Now we get to take advantage of Cloudant’s experience running large distributed clusters in production for four years. With BigCouch merged in, CouchDB will be able to replicate data at a much larger scale.

But wait! That’s not all! Cloudant has decided to terminate their BigCouch fork of CouchDB, and instead focus future development on Apache CouchDB. This is excellent news for CouchDB, even more excellent news for the CouchDB community.

Here’s the original press release:

Cloudant Contributes Database Scalability and Fault-Tolerance Framework to Apache CouchDB™

And here are some highlights from the press:

Sofa, so good ... BigCouch relaxes into comfy Apache CouchDB (The Register)

Cloudant pitches one CouchDB for all (GigaOM)

Cloudant Merges BigCouch Into Apache CouchDB (eWeek)

Cloudant Breathes Life Into CouchDB - Merges BigCouch into Apache Project (CMSwire)

CouchDB Gets Cloudant's 'Super-Size Me' Scaling (InformationWeek)

Cloudant Merges BigCouch Code into Apache Open Source Database (The WHIR)

Cloudant Merges BigCouch Database into Open Source Apache CouchDB (The VAR Guy)

Cloudant merges distributed BigCouch code with Apache CouchDB (JAXenter)

Cloudant contributes database scalability and fault-tolerance framework to Apache CouchDB (SD Times)

P.S. Cloudant is also hosting a party at OSCON on July 25 to celebrate the news. (They’re booth #305 if you’re at the show.) And if all that wasn’t enough, stay tuned for news about a CouchDB conference that we should be announcing shortly…

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