+1 On Sun, Oct 2, 2011 at 1:06 PM, Simone Tripodi <simonetrip...@apache.org> wrote: > 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/ > > = DirectMemory = > > == Abstract == > 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 > > == Proposal == > !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. > > == Background == > !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. > > == Rationale == > 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 > > = Current Status = > > == Meritocracy == > 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. > > == Core Developers == > 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> > > == Alignment == > The purpose of the project is to develop and maintain !DirectMemory > implementation that can be used by other Apache projects. > > = Known Risks = > == Orphaned Products == > !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 > > == Inexperience with Open Source == > All of the committers have experience working in one or more open > source projects inside and outside ASF. > > == Homogeneous Developers == > 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. > > == Reliance on Salaried Developers == > To the best of our knowledge, none of the initial committers are being > paid to develop code for this project. > > == Relationships with Other Apache Products == > !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 > > == A Excessive Fascination with the Apache Brand == > 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 > > = Documentation = > 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)]] > > = Initial Source = > The intial source comprises code developed on > [[https://github.com/raffaeleguidi/DirectMemory/|GitHub]] contributed > under Grant from Raffaele P. Guidi for Directmemory. > > = Source and Intellectual Property Submission Plan = > Source code will be moved from > [[https://github.com/raffaeleguidi/DirectMemory/|GitHub]] space inside > the SVN space of the podling. > > = External Dependencies = > * 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 > > = Cryptography = > The project does not handle cryptography in any way. > > = Required Resources = > * 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) > > = Initial Committers = > 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) > > = Sponsors = > == Champion == > * Christian Grobmeier <grobmeier at apache dot org> > > == Nominated Mentors == > * 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> > > == Sponsoring Entity == > * The Apache Incubator > > = Other interested people (in alphabetical order) = > * TBD > > --------------------------------------------------------------------- > To unsubscribe, e-mail: general-unsubscr...@incubator.apache.org > For additional commands, e-mail: general-h...@incubator.apache.org > >
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