PPT-Correlation-Aware Stripe Organization for Efficient Writes in Erasure-Coded Storage Systems

Zhirong Shen Patrick Lee Jiwu Shu and Wenzhong Guo The Chinese University of Hong Kong Tsinghua University Fuzhou University Presented at IEEE SRDS17. Runhui Li, . Patrick P. C. Lee. , . Yuchong. Hu. The Chinese University of Hong Kong. DSN’14. Motivation. Clustered storage systems. . are widely . deployed . (e.g. ., GFS, HDFS, Azure). Stripe data across multiple nodes. Topic 12. I. . Efficient Market. Theory (EMT). Efficient Market Theory. Where did EMT come from?. What is the Efficient Market Theory?. What does it Imply?. How can it be tested?. What conclusions can we draw about market efficiency?. Data Reconstruction . in Erasure-coded Data Centers. K.. . V.. . Rashmi. ,. . Nihar. . Shah,. . D.. . Gu. , H.. . Kuang. ,. . D.. . Borthakur. ,. . K.. . Ramchandran. UC Berkeley, . Facebook. andanygivenrealnumber afamilyoflinearcodesofrate whichcanbeencodedintimeproportionalto timestheirblocklength .Furthermore,acodewordcanberecoveredwithhighprobabilityfromaportionofitsentriesoflength(1+ Lustre. Performance Using Stripe-Aware Tools. Paul Kolano. NASA Advanced Supercomputing Division . paul.kolano@nasa.gov. Introduction. Lustre. has great performance.... ...If you know how to use it. Workshop Jan 12-15, . 2015. Amit H. Kumar. Southern Methodist University. General use cases for different file systems. $HOME. To store your programs, scripts etc. . Compile your programs here. . Please DO NOT RUN jobs from $HOME, use $SCRATCH instead . Data Reconstruction . in Erasure-coded Data Centers. K.. . V.. . Rashmi. ,. . Nihar. . Shah,. . D.. . Gu. , H.. . Kuang. ,. . D.. . Borthakur. ,. . K.. . Ramchandran. UC Berkeley, . Facebook. Extending Lifetime in Resistive Memories . through Selective Slow Write Backs. Lunkai. Zhang, . Diana Franklin, Frederic T. Chong. 1. Brian Neely,. Dmitri . Strukov. ,. Yuan . Xie. An Everyday Experience:. Workshop Jan 12-15, . 2015. Amit H. Kumar. Southern Methodist University. General use cases for different file systems. $HOME. To store your programs, scripts etc. . Compile your programs here. . Please DO NOT RUN jobs from $HOME, use $SCRATCH instead . Emalayan. . Vairavanathan. 1. The University of British Columbia. Department of Electrical and Computer Engineering. Background: Workflow Applications. modFTDock. workflow. Large number of independent tasks collectively work on a problem. . and. . Fault-Tolerant. Data. . Storage. Haibin Zhang (UConn). haibin. .zhang. @. uconn.edu. http://. scl.uconn.edu. /people/. haibin. /. info.php. Research. . Interests:. . Security. . and. . August 19, 2013. Data Erasure Presentation. Our Experience. Engineering Team with over 20 years of storage industry experience. Over 14 years of storage product development as Extreme Protocol Solutions . I. . Efficient Market. Theory (EMT). Efficient Market Theory. Where did EMT come from?. What is the Efficient Market Theory?. What does it Imply?. How can it be tested?. What conclusions can we draw about market efficiency?. Ratul Mahajan. Jitu Padhye. Sharad Agarwal. Brian Zill. Connectivity. . on-board vehicles. Increasingly common. Provided by many public transit agencies. And by corporations. Riders love the facility.