+1 (non binding) Simone
2011/10/2 Mattmann, Chris A (388J) <chris.a.mattm...@jpl.nasa.gov> > +1 from me (binding). > > Good luck! > > Cheers, > Chris > > On Oct 2, 2011, at 12:36 AM, Simone Tripodi 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 > > > > > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > Chris Mattmann, Ph.D. > Senior Computer Scientist > NASA Jet Propulsion Laboratory Pasadena, CA 91109 USA > Office: 171-266B, Mailstop: 171-246 > Email: chris.a.mattm...@nasa.gov > WWW: http://sunset.usc.edu/~mattmann/ > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > Adjunct Assistant Professor, Computer Science Department > University of Southern California, Los Angeles, CA 90089 USA > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: general-unsubscr...@incubator.apache.org > For additional commands, e-mail: general-h...@incubator.apache.org > >
