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SUMMARY:Time to Specialize! A Microserver for Key-value Stores.  - Zsolt I
 stvan
DTSTART:20150629T100000Z
DTEND:20150629T110000Z
UID:TALK59893@talks.cam.ac.uk
CONTACT:Matthew Grosvenor
DESCRIPTION:The continuous growth of data centers is making power efficien
 t \ncomputation a rising concern. The ubiquity of large scale-out \nworklo
 ads on the other hand provides enough scale for specialization \nto become
  a viable option. In this talk I will present our work on \nachieving very
  high power efficiency without sacrificing \nperformance for a common data
  center application by the means of \nspecialization. \n\nKey-value stores
  such as memcached are commonly used to reduce the \ndemand on relational 
 databases\, which are much harder to scale. \nHowever\, since these key-va
 lue stores are more network heavy than \ncomputationally intensive\, they 
 do not utilize modern server hardware \nefficiently. To overcome this inef
 ficiency the use of smaller ARM-based \nmachines in large numbers has been
  proposed\, but our goal is to \ndramatically reduce the power consumption
  of key-value \nstores and similar applications without compromising \nper
 formance. Therefor we took specialization a step further: We \npresent a m
 icroserver that implements the target application \n(memcached) directly i
 n hardware\, fusing network handling and \napplication-specific processing
  into a dataflow architecture on an \nFPGA. As a result\, power consumptio
 n is reduced ten-fold when compared \nto regular servers. Moreover\, the p
 erformance and response time of \nsoftware-based solutions is matched and 
 even surpassed in many cases. 
LOCATION:SS03\, Cambridge University Computer Lab\, William Gates Building
 \, CB3 0FD
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