CFV: New Project: Skara
maurizio.cimadamore at oracle.com
Thu Aug 30 08:25:03 UTC 2018
On 29/08/18 18:58, 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
> 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
> and was a topic at the OpenJDK Committers’ Workshop
> 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
> 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
> 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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