EOS An Extensible Object Store 0


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  • Author:  by Alexandros Biliris And  Ros Biliris  Euthimios Panagos  

  • Abstract:  over the entire available space of a page. EOS employs the multigranularity two version two phase locking protocol, that allows many readers and one writer to access the same item simultaneously. The option to switch to simple 2PL is also available. EOS uses a write-ahead redo-only logging scheme that offers short logs, fast recovery from system failures, and non-blocking checkpoints. Also, configuration files are provided that can be edited by users to customize and tune EOS performance. Finally, the EOS architecture has been designed to be extensible. Users may define hook functions to be executed when certain primitive events occur. This allows controlled access to a number of entry points in the system without compromising modularity. What is Next? EOS-2: Our experience in using EOS in real applications helped us identify existing system components that needed to be either re-architected or extended. Also, new functionality mainly in the area of distributed compu

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