Information Technology Reference
In-Depth Information
45000
Regeneration by Fully Distributed Data
40000
35000
Direct Reuse
30000
Direct Reuse
+
Reshuffling
25000
20000
Direct Reuse
+
Reshuffling
+
Caching
15000
10000
5000
Regeneration by Archive Server
0
0
50
100
150
200
250
300
350
400
Number of Nodes
Figure 15.13
Redundant data update overhead versus data node size
100000
Direct Reuse
10000
Direct Reuse
+
Reshuffling
1000
Direct Reuse
+
Reshuffling
+
Caching
100
0
10
20
30
40
50
Batched Size
W
(nodes)
Figure 15.14
Per-node redundant data update overhead versus batch size (80-node system)
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