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Date: Sun, 2 Oct 2011 19:24:55 +0200
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 <CAPoyBqQCCdVVz-Sc58N3kv35u96dZ+ZijYM_SBEjmKdnW11Rag@mail.gmail.com>
Subject: Re: [VOTE] accept DirectMemory as new Apache Incubator podling
From: Olivier Lamy <olamy@apache.org>
To: general@incubator.apache.org
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+1 (binding)

--
Olivier
Le 2 oct. 2011 09:36, "Simone Tripodi" <simonetripodi@apache.org> a =E9crit=
 :
> Hi all guys,
>
> I'm now calling a formal VOTE on the DirectMemory proposal located here:
>
> http://wiki.apache.org/incubator/DirectMemoryProposal
>
> Proposal text copied at the bottom of this email.
>
> VOTE close on Tuesday, October 4, early 7:30 AM CET.
>
> Please VOTE:
>
> [ ] +1 Accept DirectMemory into the Apache Incubator
> [ ] +0 Don't care
> [ ] -1 Don't Accept DirectMemory into the Apache Incubator because...
>
> Thanks in advance for participating!
>
> All the best, have a nice day,
> Simo
>
> P.S. Here's my +1
>
> http://people.apache.org/~simonetripodi/
> http://www.99soft.org/
>
> =3D DirectMemory =3D
>
> =3D=3D Abstract =3D=3D
> The following proposal is about Apache !DirectMemory, a Java
> !OpenSource multi-layered cache implementation featuring off-heap
> memory storage (a-la Terracotta !BigMemory) to enable caching of Java
> objects without degrading JVM performance
>
> =3D=3D Proposal =3D=3D
> !DirectMemory's main purpose is to to act as a second level cache
> (after a heap based one) able to store large amounts of data without
> filling up the Java heap and thus avoiding long garbage collection
> cycles. Although serialization has a runtime cost store/retrieve
> operations are in the sub-millisecond range being pretty acceptable in
> every usage scenario even as a first level cache and, most of all,
> outperforms heap storage when the count of the entries goes over a
> certain amount. !DirectMemory implements cache eviction based on a
> simple LFU (Least Frequently Used) algorythm and also on item
> expiration. Included in the box is a small set of utility classes to
> easily handle off-heap memory buffers.
>
> =3D=3D Background =3D=3D
> !DirectMemory is a project was born in the 2010 thanks to Raffaele P.
> Guidi initial effort under
> [[https://github.com/raffaeleguidi/!DirectMemory/|GitHub]] and already
> licensed under the Apache License 2.0.
>
> =3D=3D Rationale =3D=3D
> The rationale behind !DirectMemory is bringing off-heap caching to the
> open source world, empowering FOSS developers and products with a tool
> that enables breaking the heap barrier and override the JVM garbage
> collection mechanism collection - which could be useful in scenarios
> where RAM needs are over the usual limits (more than 8, 12, 24gb) and
> to ease usage of off-heap memory in general
>
> =3D Current Status =3D
>
> =3D=3D Meritocracy =3D=3D
> As a majority of the initial project members are existing ASF
> committers, we recognize the desirability of running the project as a
> meritocracy. We are eager to engage other members of the community
> and operate to the standard of meritocracy that Apache emphasizes; we
> believe this is the most effective method of growing our community and
> enabling widespread adoption.
>
> =3D=3D Core Developers =3D=3D
> In alphabetical order:
>
> * Christian Grobmeier <grobmeier at apache dot org>
> * Maurizio Cucchiara <mcucchiara at apache dot org>
> * Olivier Lamy <olamy at apache dot org>
> * Raffaele P. Guidi <raffaele dot p dot guidi at gmail dot com>
> * Simone Gianni <simoneg at apache dot org>
> * Simone Tripodi <simonetripodi at apache dot org>
> * Tommaso Teofili <tommaso at apache dot org>
>
> =3D=3D Alignment =3D=3D
> The purpose of the project is to develop and maintain !DirectMemory
> implementation that can be used by other Apache projects.
>
> =3D Known Risks =3D
> =3D=3D Orphaned Products =3D=3D
> !DirectMemory does not have any reported production usage, yet, but is
> getting traction with developers and being evaluated by potential
> users and thus the risks of it being orphaned are minimal
>
> =3D=3D Inexperience with Open Source =3D=3D
> All of the committers have experience working in one or more open
> source projects inside and outside ASF.
>
> =3D=3D Homogeneous Developers =3D=3D
> The list of initial committers are geographically distributed across
> the Europe with no one company being associated with a majority of the
> developers. Many of these initial developers are experienced Apache
> committers already and all are experienced with working in distributed
> development communities.
>
> =3D=3D Reliance on Salaried Developers =3D=3D
> To the best of our knowledge, none of the initial committers are being
> paid to develop code for this project.
>
> =3D=3D Relationships with Other Apache Products =3D=3D
> !DirectMemory fits naturally in the ASF because it could be
> successfully employed together with a large number of ASF products
> ranging from JCS - as a new cache region between the heap and indexed
> file ones, to ORM systems like Cayenne (i.e. replacing current OSCache
> based implementation), Apache JDO and JPA implementations and also
> java based databases (i.e. Derby) and all systems managing large
> amounts of data from Hadoop to Cassandra
>
> =3D=3D A Excessive Fascination with the Apache Brand =3D=3D
> While the Apache Software Foundation would be a good home for the
> !DirectMemory project it already has some traction and it could live
> on its own - however we see reciprocal benefits for both the ASF and
> the project in adopting the brand to better reach the community
>
> =3D Documentation =3D
> 1. [[https://github.com/raffaeleguidi/DirectMemory|The original
> DirectMemory HomePage]]
> 2. [[https://github.com/raffaeleguidi/DirectMemory/wiki|The original
> DirectMemory Wiki]]
> 3. [[https://github.com/raffaeleguidi/DirectMemory/issues|The
> DirectMemory Issue Tracker (used also for enhancements, feature
> requests and discussion)]]
>
> =3D Initial Source =3D
> The intial source comprises code developed on
> [[https://github.com/raffaeleguidi/DirectMemory/|GitHub]] contributed
> under Grant from Raffaele P. Guidi for Directmemory.
>
> =3D Source and Intellectual Property Submission Plan =3D
> Source code will be moved from
> [[https://github.com/raffaeleguidi/DirectMemory/|GitHub]] space inside
> the SVN space of the podling.
>
> =3D External Dependencies =3D
> * Google Guava collections -
> http://code.google.com/p/guava-libraries/ - Apache License V2.0
> * Protostuff - http://code.google.com/p/protostuff/ - Apache License V2.0
> * JoSQL - http://josql.sourceforge.net/ - Apache License V2.0
> * AspectJ - http://www.eclipse.org/org/ - Eclipse Public License
> (Category B, used only in binary form)
> * SLF4J - http://www.slf4j.org/ - MIT License (Category A)
> * Logback - http://logback.qos.ch/ - dual licensed under EPL v1.0 and
> LGPL 2.1 (Category B, but not really a dependency as it is astracted
> by the SLF4j facade)
> '''Build/Test time dependencies'''
> * Maven - http://maven.apache.org/ - Apache License V2.0
> * JUnit - http://www.junit.org/ - CPL License v1.0 - (Category B,
> used only in binary form)
> * JUnit Benchmarks -
> http://labs.carrotsearch.com/junit-benchmarks.html - Apache License
> V2.0
>
> =3D Cryptography =3D
> The project does not handle cryptography in any way.
>
> =3D Required Resources =3D
> * Mailing lists
> * directmemory-private (with moderated subscriptions)
> * directmemory-dev
> * directmemory-user
> * directmemory-commits
> * Subversion directory
> * https://svn.apache.org/repos/asf/incubator/directmemory
> * Website
> * Wiki (!DirectMemory)
> * Issue Tracking
> * JIRA (!DirectMemory)
>
> =3D Initial Committers =3D
> Names of initial committers - in alphabetical order - with current ASF
status:
>
> * Christian Grobmeier <grobmeier at apache dot org> (ASF Member)
> * Ioannis Canellos <iocanel at apache dor org> (ASF Committer)
> * Maurizio Cucchiara <mcucchiara at apache dot org> (ASF Committer)
> * Olivier Lamy <olamy at apache dot org> (ASF Member)
> * Raffaele P. Guidi <raffaele dot p dot guidi at gmail dot com> (ICLA
Signed)
> * Simone Gianni <simoneg at apache dot org> (ASF Member)
> * Simone Tripodi <simonetripodi at apache dot org> (ASF Member)
> * Tommaso Teofili <tommaso at apache dot org> (ASF Member)
>
> =3D Sponsors =3D
> =3D=3D Champion =3D=3D
> * Christian Grobmeier <grobmeier at apache dot org>
>
> =3D=3D Nominated Mentors =3D=3D
> * Anthony Elder <antelder at apache dor org>
> * Christian Grobmeier <grobmeier at apache dot org>
> * Olivier Lamy <olamy at apache dot org>
> * Sylvain Wallez <sylvain at apache dot org>
> * Tim Williams <twilliams at apache dot org>
>
> =3D=3D Sponsoring Entity =3D=3D
> * The Apache Incubator
>
> =3D Other interested people (in alphabetical order) =3D
> * TBD
>
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