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SUMMARY:The Brave New World of Next-Generation NoSQL Data Stores - Emin Gu
 n Sirer\, Cornell University
DTSTART:20140710T100000Z
DTEND:20140710T110000Z
UID:TALK53401@talks.cam.ac.uk
CONTACT:Microsoft Research Cambridge Talks Admins
DESCRIPTION:Distributed key-value stores are now a standard component of h
 igh-performance web services and cloud computing applications. While key-v
 alue stores offer significant performance and scalability advantages\, th
 e first wave of NoSQL stores typically compromise on consistency\, fault-t
 olerance\, performance\, or functionality\, and sometimes on all four.\nTh
 is talk will present HyperDex\, a novel\, open-source\, distributed key-va
 lue store developed by my group that provides (1) strong consistency guara
 ntees\, (2) fault-tolerance for failures and partitions affecting up to f 
 nodes\, and (3) a rich API which includes ACID transactions and a unique s
 earch primitive that enables queries on secondary attributes. HyperDex ach
 ieves these properties through the combination of three recent technical a
 dvances called hyperspace hashing\, value-dependent chaining and linear tr
 ansactions. Despite offering stronger guarantees than first-gen NoSQL data
  stores\, HyperDex is also a factor of 2-13 faster than Cassandra and Mong
 oDB.\nThis talk will outline these techniques\, identify new research dire
 ctions\, and discuss how these breakthroughs relate to the oft-quoted\, bu
 t mostly misunderstood\, CAP credo.
LOCATION:Auditorium\, Microsoft Research Ltd\, 21 Station Road\, Cambridge
 \, CB1 2FB
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