Also, it looks like https://github.com/cloudtm/sti-bt is licensed under LGPL2.1. Would you might asking if they'd consider relicensing under ASL2.0 so that it's more compatible with the relicensed ISPN?
On Oct 10, 2013, at 5:25 PM, Randall Hauch <[email protected]> wrote: > "scalable, distributed transactional index (B+tree) over ISPN" > > This is **REALLY** interesting. Mark, can you send me the paper if it can't > be attached to the mailing list? > > On Oct 3, 2013, at 12:38 PM, Mark Little <[email protected]> wrote: > >> FYI I presented on the current state of cloud-TM at HPTS a week or so ago >> and there was much interest. I pointed people at our website. >> >> Sent from my iPad >> >> On 3 Oct 2013, at 18:16, Paolo Romano <[email protected]> wrote: >> >>> Hi all, >>> >>> even the Cloud-TM project is officially over, we thought to share with you >>> one of our last efforts, which unfortunately were a tad too late to make it >>> into the submitted version of the platform (and deliverables etc). >>> >>> This is a scalable, distributed transactional index (B+tree) over ISPN, >>> which combines a number of optimizations (in areas like data locality, >>> concurrency, load balancing/elastic scaling) and builds over previous work >>> (in particular, GMU [1] and Bumper [2]) that made it possible to achieve >>> linear scalability up to 100 VMs even in update intensive workloads. >>> >>> Hot features: >>> - at most 1 remote data access per each index operation thanks to : >>> i) transaction migration, >>> ii) combined use of full and partial replication (transparent and >>> self-tuning depending on cluster size), >>> iii) optimized data placement via customi hash functions >>> - almost total avoidance of data contention thanks to the exploitation of >>> commutativity operations on the index (via dirty reads and delayed actions) >>> - it's built directly on top of ISPN (it does not depend on Fenix, unlike >>> the collections' implementation that were used, e.g., by GeoGraph ). >>> >>> Details in the attached paper! >>> >>> We believe that this index implementation could be something generally >>> useful for the ISPN community, especially given all the recent efforts in >>> the areas of query. On the other hand, we should point out that the current >>> implementation [3]: >>> i) depends on transactional features (transaction migration, dirty reads, >>> delayed actions) that have not been integrated in the official version of >>> ISPN; >>> ii) has been for the moment implemented as a Radargun extension, i.e. no >>> effort was spent to modularize it/polish its API. >>> >>> ...so it would take some effort to have it fully integrated in the master >>> version of ISPN.... but you know the saying: no pain no gain ;-) >>> >>> We'd love to hear your feedback of course! >>> >>> Nuno & Paolo >>> >>> [1] Sebastiano Peluso, Pedro Ruivo, Paolo Romano, Francesco Quaglia, and >>> Luis Rodrigues,When Scalability Meets Consistency: Genuine Multiversion >>> Update Serializable Partial Data Replication, 32nd International Conference >>> on Distributed Computing Systems (ICDCS 2012) >>> >>> [2] Nuno Diegues and Paolo Romano,Bumper: Sheltering Transactions from >>> Conflicts,The 32th IEEE Symposium on Reliable Distributed Systems (SRDS >>> 2013), Braga, Portugal, Oct. 2013 >>> >>> [3] https://github.com/cloudtm/sti-bt >>> <STI-BT-report.pdf> >>> ------------------------------------------------------------------------------ >>> October Webinars: Code for Performance >>> Free Intel webinars can help you accelerate application performance. >>> Explore tips for MPI, OpenMP, advanced profiling, and more. Get the most >>> from >>> the latest Intel processors and coprocessors. See abstracts and register > >>> http://pubads.g.doubleclick.net/gampad/clk?id=60134791&iu=/4140/ostg.clktrk >>> _______________________________________________ >>> Cloudtm-discussion mailing list >>> [email protected] >>> https://lists.sourceforge.net/lists/listinfo/cloudtm-discussion >> _______________________________________________ >> infinispan-dev mailing list >> [email protected] >> https://lists.jboss.org/mailman/listinfo/infinispan-dev > > _______________________________________________ > infinispan-dev mailing list > [email protected] > https://lists.jboss.org/mailman/listinfo/infinispan-dev
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