CFV: New Project: Skara
vladimir.kozlov at oracle.com
Tue Sep 11 16:27:32 UTC 2018
On 8/29/18 10:58 AM, joe darcy wrote:
> I hereby propose the creation of the Skara Project with Joe Darcy as the Lead and the Build Group as the sponsoring Group.
> The source code management (SCM) system of a software project is a fundamental piece of its infrastructure and
> workflows. Starting in February 2008, the source code of different JDK releases and supporting projects has been hosted
> in Mercurial repositories under http://hg.openjdk.java.net/. Code reviews of JDK changes are typically conducted as
> discussions in mailing lists over small patches sent to one or more lists or over webrevs hosted on cr.openjdk.java.net.
> Since 2008, many open source projects have successfully adopted more efficient SCM and review tooling, in some cases
> provided by third parties.
> In order to help OpenJDK contributors be more productive, both seasoned committers and relative newcomers, the Skara
> project proposes to investigate alternative SCM and code review options for the JDK source code, including options based
> upon Git rather than Mercurial, and including options hosted by third parties.
> The Skara project intends to build prototypes of hosting the JDK 12 sources under different providers.
> The evaluation criteria to consider include but are not limited to:
> * Performance: time for clone operations from master repos, time of local operations, etc.
> * Space efficiency
> * Usability in different geographies
> * Support for common development environments such as Linux, Mac, and Windows
> * Able to easily host the entire history of the JDK and the projected growth of its history over the next decade
> * Support for general JDK code review practices
> * Programmatic APIs to enable process assistance and automation of review and processes
> If one or more prototypes indicate a different SCM arrangement offers substantial improvements over the current
> situation, the Skara project will shepherd a JEP to change the SCM for the JDK.
> Skara previously had a call for discussion (http://mail.openjdk.java.net/pipermail/discuss/2018-July/004801.html) and
> was a topic at the OpenJDK Committers’ Workshop
> (http://cr.openjdk.java.net/~darcy/Presentations/ocw-2018-08-01-skara.pdf). A range of passionate opinions were
> expressed regarding the choice of SCM for the JDK, but the prototype imports of the JDK sources to hosting providers:
> have demonstrated much shorter clone times, on the order of one to three minutes as compared to fifteen minutes to over
> a half hour from hg.openjdk.java.net.
> The envisioned future iterations of prototypes could explore how to adapt JDK development practices to better conform to
> conventions on different SCMs. For example, some syntax changes in JDK commit messages would work more naturally with
> git tooling. Such prototypes would be published and made available for comment.
> Joe is a reviewer in the JDK project, the lead of the CSR (Compatibility & Specification Review) group
> (http://openjdk.java.net/groups/csr/), previous lead of Project Coin (http://openjdk.java.net/projects/coin/), initial
> moderator and inaugural release manager for OpenJDK 6, and was the lead for JEP 296: Consolidate the JDK Forest into a
> Single Repository (http://openjdk.java.net/jeps/296).
> Initial reviewers are Tim Bell (tbell), Joe Darcy (darcy), Erik Duveblad (ehelin), Erik Joelsson (erikj), Mark Reinhold
> (mr), Tony Squier (squierts), Tiep Vo (tiep), and Robin Westberg (rwestberg).
> Votes are due by September 12, 11 am Pacific Time.
> Only current OpenJDK Members  are eligible to vote on this motion. Votes must be cast in the open on the discuss
> list. Replying to this message is sufficient if your mail program honors the Reply-To header.
> For Lazy Consensus voting instructions, see .
> -Joe Darcy
>  http://openjdk.java.net/census#members
>  http://openjdk.java.net/projects/#new-project-vote
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