Unformatted text preview: 2/8/13 CS480 Principles of Data Management Spring 2013 2/8/13 CS480 Principles of Data Management Assume file sizes are exact multiples of chunk sizes • Master does not keep a persistent copy of the locaEon of chunk servers • Number of entries = 240/26 • MAXIMUM SIZE of the ﬁle system = Number of entries x Chunk size = 240 x 26 x 220 26 = 260 = 1 EB • List maintained via heart
beats – Allows list to be in sync with reality despite failures – Chunk server has ﬁnal word on chunks it holds L23.21 Colorad...
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- Spring '08
- Data Management, Sangmi Pallickara