主讲人简 介:Ilia Petrov is a Professor at Reutlingen University, Germany since 2012, where he leads the Data Management Lab. Prior to that he was a Post- Doctoral fellow with the Databases and Distributed Systems Group at the technical university of Darmstadt. His research focus is on high performance data management and data processing on modern hardware. He worked on data management and Business Intelligence at SAP. He holds a Ph.D. from the University of Erlangen-Nuernberg.
内容摘 要:Solid State Disks (SSD) are emerging as a disruptive storage technology. Flash SSDs are not just fast disks, but exhibit a different set of characteristics that will impact both performance and architecture of data intensive software systems. Key characteristics of Flash SSDs compared to magnetic disk drives are: very low latency, high read performance, much lower write performance and very low energy consumption.The long- term impact on software systems and the potential of flash technology have been insufficiently investigated. It is well known that existing concurrency control approaches, optimization techniques, buffer management strategies, access paths and in essence the whole DBMS architecture are designed to compensate for the access gap between memory and disk. To make full use of the characteristics of flash SSDs, the existing architectural fundamentals need to be critically reevaluated.
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