"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
